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Choose a table:
Medicines (732)
Medicines
> fda max:
Indication-specific
&
bioavailability:
Oral ~70%; depot IM provides sustained release over weeks'"`UNIQ--ref-0000101B-QINU`"'
Use the filters below to narrow your results.
generic:
Betamethasone (valerate, dipropionate, sodium phosphate, acetate) (1)
brand:
Celestone (oral/injectable), Diprolene/Diprosone (topical), Luxiq (foam), Celestone Soluspan (depot IM) (1)
classes:
high-potency)]] (1)
·
[[:Category:Corticosteroids|Corticosteroid]] (1)
·
[[:Category:Glucocorticoids|Glucocorticoid (long-acting (1)
·
[[:Category:Topical_corticosteroids|Topical corticosteroid (high-to-super-high potency depending on ester)]] (1)
mechanism:
'"`UNIQ--vote-00001014-QINU`"' Activates the glucocorticoid receptor to broadly remodel inflammatory, immune, and metabolic transcription. The dipropionate, valerate, and augmented dipropionate ester forms determine topical potency (high to super-high)'"`UNIQ--ref-00001015-QINU`"'. (1)
uses:
'"`UNIQ--vote-00001016-QINU`"', '"`UNIQ--vote-00001017-QINU`"', '"`UNIQ--vote-00001018-QINU`"', '"`UNIQ--vote-00001019-QINU`"' (1)
starting dose:
Antenatal: Celestone Soluspan 12 mg IM q24h × 2 doses; topical: pea-sized amount BID; intra-articular varies by joint (1)
preparations:
0.6 mg/5 mL oral solution; Celestone Soluspan 6 mg/mL IM/IA (mix of sodium phosphate + acetate); 0.05% and 0.1% topical cream/ointment/lotion/foam (various salts); augmented betamethasone 0.05% (super-high potency) (1)
fda max:
(Click arrow to add another value)
None
· Indication-specific ·
40 mg/d
·
10 mg/d
·
20 mg/d
·
80 mg/d
·
10 mg/d (adults)
·
100 mg/d
·
4 g/d
·
400 mg/d
·
40 mg/d typical; up to 240 mg/d for Zollinger-Ellison
·
5 mg/d
·
50 mg/d
·
600 mg/d
·
No fixed ceiling; titrate to clinical effect and tolerability with CDC opioid prescribing guidance constraints on morphine-milligram-equivalent (MME) totals
·
No fixed maximum; titrated to TSH target
·
TID per eye
·
Titrated to glucose; no fixed ceiling
·
Titrated to glucose; no fixed maximum
·
'''20 mg/day in adults >60 years''' per FDA's 2011-2012 QT-prolongation warning; 40 mg/day in adults ≤60
Other values:
'''4.5 mg/kg (without epinephrine), 7 mg/kg (with epinephrine)''' for infiltration; serum level monitoring required for prolonged IV antiarrhythmic use
0.5 mg/d
0.8 mg/d (rarely needed)
1 capsule BID (40 mg DXM / 20 mg quinidine per day)
1 drop per eye q8-12h
1 drop/eye/day (more frequent dosing reduces efficacy)
1 g/d (oral); 6 g/d (IV)
1 mg/d
1 mg/d typical Rx; higher in specific indications
1.8 mg in any 1-hour period (acute gout); 1.2 mg/d (prophylaxis with renal/hepatic impairment); much lower with strong CYP3A4 or P-gp inhibitors
1.8 mg/day SC (Victoza, T2DM)'"`UNIQ--ref-00000185-QINU`"' · 3.0 mg/day SC (Saxenda, obesity)'"`UNIQ--ref-00000186-QINU`"'
10 mg BID for the first 7 days of acute VTE; otherwise 5 mg BID
10 mg per 24 h
10 mg/d (5 mg if severe renal or moderate hepatic impairment, or strong CYP3A4 inhibitors)
10 mg/day (IR); 12.5 mg/day (CR)
10 mg/day (anxiety, oral)
10 mg/kg q2w
10 µg twice daily (Byetta)'"`UNIQ--ref-000000E7-QINU`"' · 2 mg once weekly (Bydureon BCise)'"`UNIQ--ref-000000E8-QINU`"'
100 mcg/d typical
100 mg/d (ED); 20 mg TID (PAH)
100 mg/d (rarely used)
100 mg/day (adult)
100 mg/day (adult); 1.4 mg/kg/day or 100 mg total (pediatric, whichever lower)
100 mg/day (vertigo)
100-200 mg/day depending on indication
1000 mg/d (osteoarthritis); 1200 mg/d (rheumatoid arthritis)
12 inhalations/d (rescue); higher for severe exacerbation under monitoring
12 puffs MDI/d typical; nebulized 2000 mcg/d
120 mg/d (ER); IR not for chronic hypertension
120 mg/day (IV/IM); 40 mg/day (oral); '''5-day maximum total combined therapy''' to mitigate the GI bleeding, AKI, and platelet dysfunction risks
1200 mg/day (adult seizures); 1600 mg/day (bipolar mania)
140 mg/month
1400 mg q4w
15 mg/day (oral); 30 mg IV once daily (Anjeso)
15 mg/wk SC'"`UNIQ--ref-000002FE-QINU`"''"`UNIQ--ref-000002FF-QINU`"'
150 mg/d
150 mg/d (treatment)
150 mg/day (oral); use lowest effective dose for shortest duration per FDA NSAID class guidance
150 mg/day; therapeutic plasma-level monitoring recommended (target 50-150 ng/mL window)
1500 mg/day (Rx); 660 mg/24h (OTC, without provider direction)
16 mg/d (8 mg/d OTC)
16 mg/d (IR); 8 mg/d (XL)
16 mg/day (schizophrenia, adult); 6 mg/day (bipolar maintenance, autism irritability)
160 mg/d (Zollinger-Ellison); 80 mg/d for routine indications
160 mg/d (rarely tolerated due to anticholinergic effects)
1600 mg/day (theoretical seizure dosing); practical use 400 mg/day for seizures, 100-200 mg/day for migraine prophylaxis
18 mg olanzapine / 75 mg fluoxetine per day
180 mg/d (adults)
195 units/treatment for chronic migraine; max varies by problem
2 g/d (Niaspan); higher off-label use historical
2 g/d typical
2 g/day (seizures); typically much lower for essential tremor
2 mg/wk SC (Ozempic)'"`UNIQ--ref-0000024B-QINU`"' · 2.4 mg/wk SC (Wegovy)'"`UNIQ--ref-0000024C-QINU`"' · 14 mg PO daily (Rybelsus)'"`UNIQ--ref-0000024D-QINU`"'
2 sprays/nostril BID
2 tablets per 24 hours; ≤4 days per month to avoid medicine-overuse headache
2 tablets/day (dextromethorphan 90 mg / bupropion 210 mg)
2.4 g/d
2.4 mg/day (HTN, IR); 0.4 mg/day (ADHD, Kapvay)
20 mg/d (ED, PRN); 5 mg/d (daily / BPH); 40 mg/d (PAH)
20 mg/d (hypertension); 10 mg/d (other indications typical)
20 mg/day (IR); 28 mg/day (XR)
20 mg/day (adult); 10 mg/day in elderly and in hepatic impairment
20 mg/day (oral)
20 mg/day (seizures); commonly limited to 4 mg/day for anxiety in current practice
200 mg/d
200 mg/d (100 mg/d if on CYP3A4 inhibitors)
200 mg/d typical practical ceiling
200 mg/day (oral); 12 mg/day (SC); 40 mg/day (nasal spray); 44 mg/day (Onzetra)
200 mg/day (typical adult oral)
2000 mg/d
225 mg/day outpatient (XR); 375 mg/day inpatient (IR divided TID); 75 mg/day in moderate hepatic impairment
23 mg/day
24 mg/day (Parkinson disease); 4 mg/day (restless legs syndrome)
24/6 mg/d (most labels)
240 mg loading + 120 mg/month for migraine; 300 mg/month for cluster
240 mg/d (mononitrate ER); 160 mg/d (dinitrate)
240 mg/day
2400 mg/day (adult)
2400 mg/day (oral); 300 mg total per IV bolus dosing series
25 mg/d
25 mg/day (ADHD per Desoxyn label); 15 mg/day (obesity, short-term, per Desoxyn label)
250 mg/d
2550 mg/d (IR); 2000 mg/d (ER)
28/10 mg/d
290 mcg/d
3 g/d (zoster)
3 g/d typical; higher in severe infections under specialist guidance
30 mg/24 hours
30 mg/d (XL) typical
30 mg/d (acute VTE first 21 days as 15 mg BID); otherwise 20 mg/d
30 mg/d for short-term use
30 mg/day (IR or ER)
30 mg/day (adult schizophrenia); 15 mg/day (MDD adjunct)
300 mg/d
300 mg/d typical practical limit (toxicity rises sharply above)
300 mg/day (IR or CR)
300 mg/day (depression, hospitalized); 150 mg/day outpatient; 6 mg/day for insomnia
300 mg/day (historical hospitalized inpatient depression); 150 mg/day outpatient typical ceiling
300 mg/day (oral)
300 mg/quarter
3000 mg/day
32 mg naltrexone / 360 mg bupropion per day
32 mg/day adult; weight-based pediatric ceiling
320 mg/d (hypertension); 320 mg/d (HF)
3200 mg/day (Rx); 1200 mg/day (OTC, without provider direction)
34 mg/d
35.6 mg/d
36 mg/day in three divided doses; single dose maximum 16 mg
360 mg/day
3600 mg/day; off-label doses higher are common but bioavailability saturates well below this
37.5 mg/d
4 L per procedure (standard-volume products)
4 g/d (rarely tolerated due to GI effects)
4 g/d in healthy adults; 3 g/d conservative limit; 2 g/d in cirrhosis or chronic alcohol use
4 g/d typical
4 mg/d (schizophrenia); 3 mg/d (AD agitation); 3 mg/d (MDD adjunct)
4% topical; limit duration of use
4.5 mg/day (Parkinson disease); 0.5 mg/day (restless legs syndrome)
4.5 mg/wk SC'"`UNIQ--ref-00000055-QINU`"'
4.8 g/d (IV severe infection)
40 mg every week (selected indications); otherwise 40 mg every other week
40 mg/d (IR; doses >15 mg given as divided BID); 20 mg/d (XL)
40 mg/d (rarely needed; 40 mg restricted to patients not at goal on 20 mg)
40 mg/d standard; 80 mg/d restricted to patients tolerating 80 mg for ≥12 months without myopathy (post-SEARCH 2011 FDA restriction)
40 mg/d typical; up to 360 mg/d for Zollinger-Ellison
40 mg/day (oral, anxiety)
400 mg/d (acute primary aldosteronism diagnosis); 100-200 mg/d typical chronic
400 mg/d (pediatric); 600 mg/d (adult)
400 mg/d (rarely used)
400 mg/d typical maintenance; weight-adjusted ceiling per ophthalmology guidance
400 mg/day (IR, adult); 300 mg/day (ER); 300 mg/day in elderly >75 years
400 mg/day (bipolar monotherapy); 700 mg/day (epilepsy with enzyme-inducing comedication)
400 mg/day for chronic indications; higher for short-term acute pain
400 mg/day outpatient; 600 mg/day inpatient
400 mg/day theoretical; in practice rarely exceeds 200 mg/day
400 mg/day.'"`UNIQ--ref-0000006C-QINU`"'
4000 mg/day (analgesic)
42 mg/d
420 mg/month
45 mg/d
45 mg/day
450 mg/day; doses above this raise seizure risk steeply
5 mg/d (adults)
50 g/week (cream/ointment); 2-week continuous limit; 4-week maximum cumulative
50 mg BID in heart failure (or once-daily equivalent CR); 25 mg BID in hypertension
50 mg/d (hypertension); up to 200 mg/d (edema)
50 mg/d × 14 d
50 mg/day (IR); 62.5 mg/day (CR); 60 mg/day (OCD)
50 mg/day (no efficacy benefit shown for higher doses despite the 100 mg strength being available)
50 mg/day oral; 380 mg/4 weeks IM (Vivitrol); 32 mg + 360 mg naltrexone/bupropion daily (Contrave maximum after titration)
500 mg/d (typical regimen); single 2 g for Zmax; 2 g for select STIs
6 capsules/d (300 mg butalbital, 1950 mg acetaminophen, 240 mg caffeine)
6 capsules/d (300 mg butalbital, 1950 mg aspirin, 240 mg caffeine)
6 mg/d (psychosis/mania); 3 mg/d (depression adjunct)
60 mg/d typical
60 mg/day
60 mg/day (oral, hypertension); 0.5% BID (ophthalmic)
60 mg/kg/d (typically up to 3000 mg/d)
600 mg/d typical practical ceiling in heart failure
600 mg/day (seizures); 450 mg/day (fibromyalgia and neuropathic pain)
640 mg/d (HTN); 240 mg/d (migraine)
675 mg/quarter
7 mg/day in children and adolescents; weight-based ceiling (~0.12 mg/kg/day) applies in smaller patients
70 mg/day
70 mg/week treatment; 40 mg/d for 6 months in Paget's
75 mg per dose; one dose per 24 hours (acute); one dose every other day (preventive)
75 mg/d maintenance (loading doses are single events)
750 mg/d
8 g/day (oral, short-term load); 6 g/day (chronic)
8 mg/d
8 tablets/d (300 mg tramadol / 2600 mg acetaminophen); 5-day duration limit per label
80 mg/d (40 mg/d if combined with diltiazem, verapamil, danazol; lower limits with various interactions)
80 mg/day oral (higher off-label)
800 mg/d
800 mg/d (rarely needed)
800 mg/d (severe invasive disease)
800 mg/day
84 mg per session
9 g/night
90 mg BID (acute year); 60 mg BID (chronic post-MI)
900 mg/day (split into BID or TID dosing). Clinical practice rarely exceeds 600 mg/day; seizure risk increases substantially above 600 mg/day and requires consideration of prophylactic anticonvulsant.'"`UNIQ--ref-0000004A-QINU`"'
Acetaminophen 4 g/d absolute (3 g/d conservative); oxycodone titrated to effect
Acetaminophen 4 g/d absolute; codeine 240-360 mg/d typical practical limit
Aspirin GI/bleeding-limited; oxycodone titrated to effect
BID topical; once daily nail lacquer
Formulation-dependent
Formulation-specific (e.g., 145 mg/d Tricor, 200 mg/d Lipofen)
Formulation-specific; ~4.8 g/d typical maximum oral
ICS 880 mcg/d (asthma); intranasal 200 mcg/d
ICS ~1280 mcg/d; intranasal 256 mcg/d; Entocort 9 mg/d standard
IV peripheral 10 mEq/h (40 mEq/L); IV central 20 mEq/h with cardiac monitoring; PO single doses generally ≤40 mEq
IV: monitored by levels (trough <1 mg/L for extended-interval; <2 mg/L for traditional)
Indication-dependent; 200-400 mg/d oral typical
Indication-specific; ACLS no fixed cumulative ceiling
Indication-specific; HE may require high-volume dosing
Indication-specific; bowel prep regimens reach 4 L cumulative
Indication-specific; high-dose IV regimens for encephalitis or disseminated disease
Indication-specific; lowest effective dose for shortest duration is the WHI-era standard
Indication-specific; renal clearance limits tolerable cumulative dosing
Indication-specific; titrated to effect
Intranasal 200 mcg/d (adults); inhaled 880 mcg/d
Limit to 48 hours of use to avoid hemolysis and methemoglobinemia
Limit topical to 10-day courses to reduce resistance pressure
MOUD: typical effective max 24 mg/day sublingual (doses above offer limited additional mu-occupancy due to ceiling). Pain (Belbuca): 900 mcg every 12 hours.
N/A (never approved)
N/A (no current medical indication)
No defined absolute maximum; dosing is guided by serum level monitoring. Levels above 1.5 mEq/L carry increasing toxicity risk. Levels consistently above 1.2 mEq/L are generally not maintained in clinical practice.'"`UNIQ--ref-00000052-QINU`"'
No fixed maximum; cumulative-dose toxicity drives all chronic decisions
No fixed maximum; titrated to INR target
No fixed maximum; titrated to clinical endpoints
No fixed maximum; titrated to pH and bicarbonate level; chronic high oral doses cause metabolic alkalosis and volume overload
No fixed maximum; titrated; sodium correction rate in chronic hyponatremia must not exceed 8-10 mEq/L per 24 hours to avoid osmotic demyelination
No formal hard ceiling; in MOUD maintenance, doses typically remain at or below 120 mg/day with higher doses reserved for documented under-treatment after careful clinical assessment
No strict ceiling for water-soluble vitamin; UL not set
No strict ceiling; water-soluble vitamin, low toxicity
No strict; Institute of Medicine UL 4,000 IU/d in adults for chronic use
Not FDA-approved; clinical-trial protocols use up to 30 mg in adult investigational dosing
Not formally established (dietary supplement); doses above ~3-5 mg show no additional efficacy but increase next-day sedation risk
Not strictly fixed; long-term Upper Limit ~4,000 IU/d in adults (Institute of Medicine)
Not yet approved
Once daily (Pataday 0.7%); BID (other ophthalmic)
One dose per day
One drop per eye per day
Oral maintenance 400 mg/d typical; higher in refractory cases
Per formulation
Rheumatologic ~25 mg/week; oncology indication-specific
Single 200-400 mcg/kg per dose for systemic indications
Single 60-hour course
Single doses ≤16 mg (FDA 2012 advisory withdrew the 32 mg single IV dose for QT-prolongation risk); 24-32 mg/d divided
Titrated to glucose
Titrated; risk of hypercalcemia is the limiting factor
Topical: BID; troche: 5×/day
Topical: nightly; oral APL: 45 mg/m²/d
Topical: nightly; systemic: regimen-specific
Topical: per formulation; oral supplement age-dependent
Topical: regimen-specific; oral: 400 mg/d in remaining specialty indications
Transplant: regimen-specific
UL 1000 mg (~1500 IU natural)/d in adults; routinely exceeded in older AREDS-1 trials
UL 2000 mg/d in adults
Withdrawn 2024
XR = 40 or 60 mg/d; IR = 40 or 60 mg/d'"`UNIQ--ref-00000567-QINU`"'
~10 mg/d typical
~1500 mg/d (oral); 1200 mg/d (IV)
~200 mg elemental iron/d typical practical limit
~200 mg/d for most indications; higher doses for severe infections
~2500 mg elemental/d combined diet + supplements (chronic; UL)
~4 g/d (severe systemic infection)
~480 mg/d (oral) for cardiovascular indications; higher off-label for cluster
~480 mg/d (oral); IV per protocol
~500 mg/d typical
Search
routes:
IA (1)
·
IM (1)
·
Oral (1)
·
topical (1)
onset:
Hours (1)
duration:
Biologic 36-54 hours (long-acting) (1)
halflife:
Plasma ~5 hours; biologic ~36-54 hours'"`UNIQ--ref-0000101A-QINU`"' (1)
bioavailability:
(Click arrow to add another value)
None
·
100% (IV)
·
~100% from subcutaneous depot
·
~80% (oral)'"`UNIQ--ref-00000027-QINU`"'
·
70–90% (oral)
·
~100% (oral)'"`UNIQ--ref-0000001C-QINU`"'
·
~50% (oral)'"`UNIQ--ref-00000021-QINU`"'
·
~95%
·
'''Saturable''' via the LAT-1 amino-acid transporter, producing nonlinear pharmacokinetics: ~60% at 300 mg single dose, falling to ~35% at 1200 mg single dose'"`UNIQ--ref-0000002A-QINU`"'
·
10-20% (oral; reduced by food, calcium, antacids, PPIs, tea/coffee; enhanced by ascorbate)
·
100% (IV); essentially complete (oral)
·
100% (IV); rapidly neutralized by gastric acid (oral)
·
16-21% capsule, 25% suspension (oral; iron and antacids reduce absorption substantially)'"`UNIQ--ref-000009E5-QINU`"'
·
25 mg: ~29%; 50 mg: ~35%; food reduces absorption'"`UNIQ--ref-00000C4F-QINU`"'
·
30-40% (oral; increases with repeated dosing as gastric pH rises)'"`UNIQ--ref-000000DF-QINU`"'
·
40-45% (oral; not significantly affected by food)'"`UNIQ--ref-0000025C-QINU`"'
·
40-80% (oral); reduced by food, calcium, iron, PPIs, fiber; take fasting with water'"`UNIQ--ref-00000037-QINU`"'
·
42-58% (oral; dose-dependent)'"`UNIQ--ref-00000AEF-QINU`"'
·
50-60% (oral; decreased with food, but food given anyway for GI tolerance)'"`UNIQ--ref-00000019-QINU`"'
·
60-70% PO at low doses; saturable at high doses (parenteral routes preferred above 15-25 mg/week)'"`UNIQ--ref-000007C9-QINU`"'
Other values:
60-80% (oral)
60-80% (oral; not significantly affected by food)'"`UNIQ--ref-00000843-QINU`"'
64-90% (oral; not affected by food)'"`UNIQ--ref-00000079-QINU`"'
65-75% (oral)'"`UNIQ--ref-0000013F-QINU`"'
70-75% (oral)'"`UNIQ--ref-000007ED-QINU`"'
70-80% (oral)'"`UNIQ--ref-000002A4-QINU`"'
75-90% (oral; minimally affected by food)'"`UNIQ--ref-000001A2-QINU`"'
80-90% oral
90% (oral; food delays but does not reduce absorption)'"`UNIQ--ref-000004F3-QINU`"'
<0.1% systemic absorption (PEG 3350 is too large to absorb intact)
<1% (oral; further reduced by food, calcium, iron, antacids; hence the strict fasting/upright dosing rules)'"`UNIQ--ref-000006C4-QINU`"'
<1% oral (extensive first-pass via CYP3A4); ~30% inhaled lung deposition'"`UNIQ--ref-000001DE-QINU`"'
<3% systemic absorption (the basis of the safety and mechanism)'"`UNIQ--ref-00000F5E-QINU`"'
<5% (extensive hepatic first-pass; food enhances absorption of IR, hence the evening-meal dosing)'"`UNIQ--ref-00000808-QINU`"'
<5% (extensive hepatic first-pass; statin pharmacology is hepatocellular, not systemic)'"`UNIQ--ref-0000017B-QINU`"'
<5% systemic absorption (this is the safety basis)'"`UNIQ--ref-00000DC3-QINU`"'
>90% (oral)'"`UNIQ--ref-0000001C-QINU`"'
>90% (oral; food slows absorption and reduces peaks, hence the post-meal dosing rule)'"`UNIQ--ref-000001BD-QINU`"'
>90% (oral; not affected by food or gastric pH — a major practical advantage over itraconazole)'"`UNIQ--ref-00000A48-QINU`"'
>90% (oral; not significantly affected by food)'"`UNIQ--ref-00001120-QINU`"'
Absolute bioavailability not precisely characterized; food modestly increases exposure
Acid-labile; not effective orally (oral form available outside US as penicillin G salts but penicillin V is preferred for oral use)'"`UNIQ--ref-0000141A-QINU`"'
Adequate (food-dependent, must take with fatty meal)
Adequate oral bioavailability
Adequate oral bioavailability with extended-release formulation
Approximately 50-60% (oral; subject to first-pass metabolism); food does not significantly affect absorption.'"`UNIQ--ref-0000004C-QINU`"'
Buprenorphine ~30% SL; naloxone <10% SL (intentional, inactive sublingually, matters only if injected)
Butalbital well-absorbed; aspirin 50-75%; caffeine ~100%'"`UNIQ--ref-000015B8-QINU`"'
Butalbital well-absorbed; caffeine ~100%; acetaminophen 85-98%'"`UNIQ--ref-000015A0-QINU`"'
Carbonate ~30-40% (best with food and acid); citrate ~24% (absorbable without acid; preferred in achlorhydria, PPI use, post-bariatric)
Codeine ~60% (oral); acetaminophen 85-98%'"`UNIQ--ref-00001518-QINU`"'
Essentially zero systemic absorption from oral or topical routes — the topical-action-only profile is the basis of its safety'"`UNIQ--ref-00000D18-QINU`"'
High (oral)
High (oral); not significantly affected by food'"`UNIQ--ref-00000397-QINU`"'
High (oral)'"`UNIQ--ref-00000FB5-QINU`"'
High (oral)'"`UNIQ--ref-00001051-QINU`"'
High (oral)'"`UNIQ--ref-00001165-QINU`"'
High (oral)'"`UNIQ--ref-000012A0-QINU`"'
High (oral; absorption not affected by food)'"`UNIQ--ref-00000825-QINU`"'
High (oral; food enhances)'"`UNIQ--ref-00001039-QINU`"'
High (oral; food prolongs absorption modestly)'"`UNIQ--ref-00000622-QINU`"'
High (oral; not affected by food, but typically given with the morning meal)'"`UNIQ--ref-0000027D-QINU`"'
High (oral; not significantly affected by food)'"`UNIQ--ref-00000B65-QINU`"'
High with fat-containing meal; reduced in malabsorption
Highly formulation-dependent; the goal is colonic delivery with minimal systemic exposure'"`UNIQ--ref-00000BBF-QINU`"'
Highly route-dependent: SL bypasses first-pass; oral has extensive first-pass (used only for chronic ER preparations); transdermal predictable'"`UNIQ--ref-00000C10-QINU`"'
Highly salt-dependent: citrate ~25-30%; oxide ~4% (limited and causes osmotic diarrhea); chloride ~12%
Highly variable due to saturable first-pass metabolism'"`UNIQ--ref-0000002C-QINU`"'
IM/SC ~100%; oral negligible (extensive first-pass and gut metabolism — hence the no-oral route)'"`UNIQ--ref-00000E53-QINU`"'
IV/IM ~100%; inhaled: minimal systemic; oral: negligible (not used orally for systemic infection)'"`UNIQ--ref-000010B4-QINU`"'
Improved with food'"`UNIQ--ref-00000052-QINU`"'
Increased substantially via CYP2D6 inhibition'"`UNIQ--ref-00001584-QINU`"'
Increased with food (varies by formulation; the micronized and nanocrystal forms are less food-dependent)'"`UNIQ--ref-000004AE-QINU`"'
Inhaled lung deposition with minimal systemic absorption (the basis of the favorable safety profile vs systemic antimuscarinics)'"`UNIQ--ref-00000F7C-QINU`"'
Inhaled lung deposition ~20%; systemic absorption from lung ~33%; oral component negligible'"`UNIQ--ref-000009C1-QINU`"'
Intranasal ~40% systemic; ophthalmic minimal'"`UNIQ--ref-000013B7-QINU`"'
Intranasal: <1% systemic; inhaled lung deposition with extensive first-pass clearance'"`UNIQ--ref-00000F9D-QINU`"'
Limited but adequate; take with food
Local (intramuscular)
Local action; minimal systemic effect
Low systemic absorption (enteric coating delivers drug to colon)'"`UNIQ--ref-0000106C-QINU`"'
Mononitrate ~100% (no first-pass; the principal advantage over dinitrate); dinitrate ~20%'"`UNIQ--ref-00001462-QINU`"'
Naltrexone ~5% (oral, extensive first-pass to 6β-naltrexol); bupropion ER ~87%'"`UNIQ--ref-00001569-QINU`"'
Negligible (not absorbed)'"`UNIQ--ref-00000058-QINU`"'
Negligible systemic absorption'"`UNIQ--ref-0000119D-QINU`"'
Not characterized; oral dosing once daily
Not formally characterized for the combination
Not formally characterized in humans.
Not formally established
Not formally established (high SC)
Not formally established; oral once-daily adequate
Not well characterized
Not well characterized'"`UNIQ--ref-00000019-QINU`"'
Olanzapine 60% (oral); fluoxetine high (oral)'"`UNIQ--ref-0000154E-QINU`"'
Oral bioavailability is not precisely established in the label but absorption is rapid and essentially complete. Food delays peak plasma concentration by approximately one hour but does not reduce the extent of absorption.'"`UNIQ--ref-0000006F-QINU`"'
Oral bioavailability of psilocin from administered psilocybin approximately 50%
Oral bioavailability suitable for daily dosing
Oral non-undecanoate has essentially zero bioavailability (hepatic first-pass)
Oral ~1-3% via passive diffusion at high doses (independent of intrinsic factor); IM/SC ~100%
Oral ~5% (extensive first-pass to estrone and conjugates); transdermal bypasses first-pass, giving more physiologic estradiol:estrone ratio'"`UNIQ--ref-000003BB-QINU`"'
Oral ~70%; depot IM provides sustained release over weeks'"`UNIQ--ref-0000101B-QINU`"'
Oral ~90%; depot IM essentially 100% over the dosing interval'"`UNIQ--ref-00000F21-QINU`"'
Oral: very low (extensive first-pass); micronization improves uptake somewhat. Vaginal: high local effect with lower systemic levels (first-uterine-pass concentration)'"`UNIQ--ref-00000727-QINU`"'
Oxycodone 60-87%; aspirin 50-75%'"`UNIQ--ref-000014FB-QINU`"'
Rapid absorption; absolute bioavailability not formally established
Reasonable (not formally established as a percentage)
SC ~47%–65%'"`UNIQ--ref-0000005A-QINU`"'
SC ~55%'"`UNIQ--ref-0000018B-QINU`"'
SC ~65%–75%<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
SC ~80%<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
SC ~89%<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> · Oral ~0.4–1% (SNAC-enhanced)'"`UNIQ--ref-00000254-QINU`"'
Sandimmune: highly variable (~30%); Neoral microemulsion: ~50%, less variable; '''Sandimmune and Neoral are NOT bioequivalent and not interchangeable''''"`UNIQ--ref-00000A92-QINU`"'
Substantially improved with high-fat meal; take with food'"`UNIQ--ref-000013D2-QINU`"'
Sumatriptan ~15% (oral; substantial first-pass); naproxen ~95%'"`UNIQ--ref-000015D2-QINU`"'
Tablet ~100% relative to oral solution; extensive first-pass metabolism
Topical with limited but measurable systemic absorption'"`UNIQ--ref-00001219-QINU`"'
Topical with measurable systemic absorption (small CA inhibition observed clinically with chronic use)'"`UNIQ--ref-00000B0B-QINU`"'
Topical with minimal systemic absorption'"`UNIQ--ref-000011DA-QINU`"'
Topical with minimal systemic absorption'"`UNIQ--ref-0000123A-QINU`"'
Topical with minimal systemic absorption'"`UNIQ--ref-00001288-QINU`"'
Topical with variable systemic absorption depending on body site, occlusion, and skin integrity; HPA-axis suppression is documented even with brief courses to large areas'"`UNIQ--ref-0000079F-QINU`"'
Topical/intranasal: high local, low systemic; intra-articular: local depot then systemic absorption'"`UNIQ--ref-00000667-QINU`"'
Topical/oral local action with minimal systemic absorption'"`UNIQ--ref-00001399-QINU`"'
Topical: local effect on enamel; systemic supplementation has high oral bioavailability with skeletal accumulation
Topical: minimal systemic absorption (oral systemic 5-FU not used due to poor and variable absorption)'"`UNIQ--ref-000011BF-QINU`"'
Topical: minimal systemic absorption with normal skin; oral: variable, induced metabolism with repeated dosing'"`UNIQ--ref-00000BA4-QINU`"'
Topical: minimal systemic; oral: pH-dependent, requires gastric acid'"`UNIQ--ref-00000889-QINU`"'
Topical: minimal systemic; troche: ~3% systemic'"`UNIQ--ref-00000F46-QINU`"'
Topical; clinically meaningful systemic absorption can produce systemic α2 effects (somnolence, hypotension), especially in children'"`UNIQ--ref-000010D2-QINU`"'
Topical; minimal systemic absorption'"`UNIQ--ref-00000418-QINU`"'
Topical; minimal systemic absorption'"`UNIQ--ref-00000A03-QINU`"'
Topical; minimal systemic absorption'"`UNIQ--ref-00000DA2-QINU`"'
Tramadol ~75% (oral); acetaminophen 85-98%'"`UNIQ--ref-00001531-QINU`"'
Variable (oral; rapidly conjugated to active glucuronide; food does not affect)'"`UNIQ--ref-00000451-QINU`"'
Variable; reduced by food, calcium, iron, PPIs'"`UNIQ--ref-00000037-QINU`"'
~0.3% (oral; extensive first-pass via CYP3A4 and P-glycoprotein-mediated efflux at the intestinal and blood-brain barriers limit systemic and CNS exposure at therapeutic doses)'"`UNIQ--ref-00000FD3-QINU`"'
~10% inhaled reaches systemic circulation; ~50% PO'"`UNIQ--ref-0000009A-QINU`"'
~100% (oral); highly (~90%) protein-bound, with non-linear binding above therapeutic levels (free fraction matters clinically in hypoalbuminemia)'"`UNIQ--ref-0000097D-QINU`"'
~100% (oral)'"`UNIQ--ref-0000001B-QINU`"'
~100% (oral)'"`UNIQ--ref-00000020-QINU`"'
~100% (oral)'"`UNIQ--ref-00000027-QINU`"'
~100% (oral)'"`UNIQ--ref-00000706-QINU`"'
~100% (oral, but oral use is limited to continuation from parenteral)'"`UNIQ--ref-00000021-QINU`"'
~100% (oral; absorption complete)'"`UNIQ--ref-0000126F-QINU`"'
~100% (oral; food delays absorption, hence pre-meal dosing for IR)'"`UNIQ--ref-000002DA-QINU`"'
~100% (oral; near-complete absorption)'"`UNIQ--ref-00000018-QINU`"'
~100% (oral; not significantly affected by food)'"`UNIQ--ref-00000493-QINU`"'
~100% both components
~100% from subcutaneous depot (by definition of the route)
~12% (extensive metabolizers); ~96% (poor metabolizers)
~14% (extensive hepatic first-pass)'"`UNIQ--ref-0000001C-QINU`"'
~14% (oral; substantial first-pass); ~97% (subcutaneous); ~17% (nasal)'"`UNIQ--ref-00000016-QINU`"'
~15% (extensive hepatic first-pass)
~15% (oral; highly variable due to extensive and variable first-pass metabolism)'"`UNIQ--ref-00000022-QINU`"'
~17% (oral; food slightly reduces absorption)'"`UNIQ--ref-000003D6-QINU`"'
~20% (oral; hydrophilic, minimal CYP metabolism, mostly excreted unchanged in bile)'"`UNIQ--ref-000000FD-QINU`"'
~20% (oral; valacyclovir prodrug raises this to ~55%)'"`UNIQ--ref-00000910-QINU`"'
~20-35% (oral; extensive first-pass via CYP3A4 with R/S enantiomer differences)'"`UNIQ--ref-00000A6C-QINU`"'
~22–25%
~25% (extensive hepatic first-pass)
~25% (high first-pass)
~25% (oral)'"`UNIQ--ref-00000019-QINU`"'
~25% (oral, with extensive first-pass)'"`UNIQ--ref-00000023-QINU`"'
~25% (oral; extensive first-pass)'"`UNIQ--ref-0000001B-QINU`"'
~25% (oral; food does not affect absorption)'"`UNIQ--ref-0000005A-QINU`"'
~25% (oral; food reduces absorption ~40%)'"`UNIQ--ref-000004CE-QINU`"'
~25-35% (extensive first-pass), increased by food which slows absorption and reduces orthostatic risk'"`UNIQ--ref-0000001C-QINU`"'
~25-40% (oral; extensive first-pass)'"`UNIQ--ref-00000021-QINU`"'
~25-50% (oral; substantial first-pass via NAT2 acetylation, phenotype-dependent)'"`UNIQ--ref-00000688-QINU`"'
~26% (oral; prodrug hydrolyzed by intestinal esterases to active olmesartan; not affected by food)'"`UNIQ--ref-0000056D-QINU`"'
~28% (oral; food slows but does not reduce absorption)'"`UNIQ--ref-00000C33-QINU`"'
~30% (high first-pass)
~30% (oral)'"`UNIQ--ref-00000021-QINU`"'
~30% (oral)'"`UNIQ--ref-0000117D-QINU`"'
~30% (sublingual; the primary therapeutic route); ~10-20% (oral swallowed, low due to first-pass); ~50% (buccal Belbuca); transdermal Butrans bypasses first-pass.'"`UNIQ--ref-00000050-QINU`"'
~30-65% (oral; acid-labile, hence enteric-coated formulations; food affects absorption variably)'"`UNIQ--ref-00000D3F-QINU`"'
~33%
~33% (extensive first-pass via CYP2C9 and CYP3A4)'"`UNIQ--ref-000000BD-QINU`"'
~33% (oral; fruit juices including grapefruit, orange, and apple reduce absorption substantially via OATP1A2 inhibition — distinctive interaction not seen with most other H1s)'"`UNIQ--ref-00000CCD-QINU`"'
~33-55% (IR); reduced by food'"`UNIQ--ref-0000001B-QINU`"'
~35% (oral, extensive first-pass; not used orally for systemic effect); ~100% (IV)'"`UNIQ--ref-00000021-QINU`"'
~36% (oral)'"`UNIQ--ref-00000C93-QINU`"'
~37% (oral, as axetil prodrug; food modestly improves absorption)'"`UNIQ--ref-00000FFA-QINU`"'
~37% (oral; food does not affect)'"`UNIQ--ref-00000A23-QINU`"'
~37% (oral; food reduces absorption modestly)'"`UNIQ--ref-000003FD-QINU`"'
~38% (oral; non-acidic prodrug improves GI tolerability over many other NSAIDs)'"`UNIQ--ref-000011FA-QINU`"'
~4% (extensive first-pass metabolism)'"`UNIQ--ref-0000001E-QINU`"'
~40%
~40% (oral); food and formulation substantially alter the absorption profile'"`UNIQ--ref-0000001E-QINU`"'
~40% (oral; extensive first-pass via CYP3A4)'"`UNIQ--ref-00000643-QINU`"'
~40% (oral; food does not significantly affect)'"`UNIQ--ref-00000EB3-QINU`"'
~40-60% (oral, with significant first-pass)'"`UNIQ--ref-00000027-QINU`"'
~44%
~45% (oral)'"`UNIQ--ref-00000C73-QINU`"'
~45% (oral; substantially higher than sumatriptan's ~14%)'"`UNIQ--ref-00000013-QINU`"'
~45%'"`UNIQ--ref-00000027-QINU`"'
~48% intranasal
~5% intranasal
~5-20% (extensive first-pass), highly variable between individuals'"`UNIQ--ref-00000024-QINU`"'
~5-40% (oral, highly variable due to extensive first-pass metabolism; mean ~5-10% for parent naltrexone with the majority of pharmacologic effect coming from 6-beta-naltrexol). IM Vivitrol bypasses first-pass entirely.'"`UNIQ--ref-00000050-QINU`"'
~50%
~50% (highly variable)
~50% (oral); systemic absorption from ophthalmic application is clinically meaningful via nasolacrimal drainage'"`UNIQ--ref-0000001C-QINU`"'
~50% (oral)'"`UNIQ--ref-00000027-QINU`"'
~50% (oral)'"`UNIQ--ref-000002C5-QINU`"'
~50% (oral; highly variable)'"`UNIQ--ref-00000CB4-QINU`"'
~50% (oral; highly variable, 10-100%, hence the standard 1:2 IV-to-PO conversion)'"`UNIQ--ref-00000223-QINU`"'
~50% (oral; not significantly affected by food)'"`UNIQ--ref-000001FC-QINU`"'
~50% (oral; reduced by buffering and enteric coating but onset clinically similar)'"`UNIQ--ref-00000028-QINU`"'
~50% (oral; substantial first-pass)'"`UNIQ--ref-00000024-QINU`"'
~50% (variable, CYP2D6-dependent for analgesic effect).
~50% IR (extensive first-pass via CYP3A4); ER products release-rate-limited'"`UNIQ--ref-0000074E-QINU`"'
~50-60% (oral; food enhances)
~50-60% (oral; substantial first-pass metabolism)'"`UNIQ--ref-0000002A-QINU`"'
~53% (oral)'"`UNIQ--ref-00000024-QINU`"'
~55% (oral)'"`UNIQ--ref-00000016-QINU`"'
~55% bioavailability of acyclovir after valacyclovir oral (vs ~20% from oral acyclovir directly)'"`UNIQ--ref-000005D7-QINU`"'
~58% (extended-release); ~80% (immediate-release)'"`UNIQ--ref-00000021-QINU`"'
~6% IR oral (substantial first-pass to active N-desethyl metabolite, which contributes most of the antimuscarinic adverse effects); transdermal bypasses first-pass and is better tolerated'"`UNIQ--ref-000006E2-QINU`"'
~6-13% inhaled lung deposition; ~10% oral (Entocort EC; extensive first-pass via CYP3A4 — this is the basis of the favorable hepatic-targeted local-effect profile in IBD)'"`UNIQ--ref-000009A6-QINU`"'
~60%
~60% (oral); ~100% (IM)'"`UNIQ--ref-00000027-QINU`"'
~60% (oral)'"`UNIQ--ref-00000379-QINU`"'
~60% (oral)'"`UNIQ--ref-00000D5A-QINU`"'
~60% (oral; food does not affect absorption)'"`UNIQ--ref-00000B85-QINU`"'
~60% (oral; phenoxymethyl modification makes it acid-stable, unlike penicillin G which is destroyed by gastric acid)'"`UNIQ--ref-00000E77-QINU`"'
~60% (oral; substantially increased with high-fat meal)'"`UNIQ--ref-00001093-QINU`"'
~60% from subcutaneous depot (reduced by reversible albumin binding via the myristic acid side chain that also extends duration)'"`UNIQ--ref-00001375-QINU`"'
~60-87% (oral; high and more consistent than codeine or hydrocodone, making efficacy less CYP2D6-genotype-dependent)'"`UNIQ--ref-0000001E-QINU`"'
~60-87% oxycodone (high and predictable, less CYP-genotype-dependent than codeine or hydrocodone); 85-98% acetaminophen'"`UNIQ--ref-000014E3-QINU`"'
~60–70% (oral)
~62%
~63% (oral)'"`UNIQ--ref-00000532-QINU`"'
~63% (oral; extensive first-pass)'"`UNIQ--ref-00000015-QINU`"'
~64% (oral)'"`UNIQ--ref-00000016-QINU`"'
~64% (oral; not significantly affected by food)'"`UNIQ--ref-0000015F-QINU`"'
~64% from SC depot'"`UNIQ--ref-00001104-QINU`"'
~64-90% (oral; increases at higher doses and with multi-day dosing)'"`UNIQ--ref-000008E9-QINU`"'
~65% (oral)'"`UNIQ--ref-0000001E-QINU`"'
~65% (oral)'"`UNIQ--ref-00000784-QINU`"'
~65% (oral)'"`UNIQ--ref-00000AB1-QINU`"'
~65% (oral)'"`UNIQ--ref-000013F6-QINU`"'
~67% (oral)'"`UNIQ--ref-00000B26-QINU`"'
~70% (oral)'"`UNIQ--ref-0000001B-QINU`"'
~70% (oral)'"`UNIQ--ref-00000022-QINU`"'
~70% (oral)'"`UNIQ--ref-000008C5-QINU`"'
~70% (oral; bioavailability and absorption are improved with food)'"`UNIQ--ref-00000355-QINU`"'
~70% (oral; reduced by divalent cations — antacids, iron, calcium, dairy)'"`UNIQ--ref-00000939-QINU`"'
~70-85% (oral)'"`UNIQ--ref-00000027-QINU`"'
~70-85% (oral, high relative to other opioids)
~70-90% at typical doses; saturable at high doses (>500 mg)
~72% (with food); much lower fasting (~36%)
~72% from SC depot'"`UNIQ--ref-00001480-QINU`"'
~72% oral; ~85% smoked'"`UNIQ--ref-00000066-QINU`"'
~75%
~75% (IR, rises with multi-dose administration due to saturable first-pass)'"`UNIQ--ref-0000001E-QINU`"'
~75% (oral, as the active carboxylate after hepatic esterase activation)'"`UNIQ--ref-00000E95-QINU`"'
~75% (oral; absorption improved with fat-containing meal)
~75% (oral; fat-soluble, absorption requires intact biliary/lipid digestion)'"`UNIQ--ref-00000331-QINU`"'
~75-85% (oral); ~60% (transdermal at steady state)'"`UNIQ--ref-00000027-QINU`"'
~75–90% (oral)
~77% (oral; not affected by food or antacids)'"`UNIQ--ref-0000011E-QINU`"'
~78% (oral; high-fat meal modestly reduces but is not clinically significant)'"`UNIQ--ref-00000553-QINU`"'
~80% (oral)'"`UNIQ--ref-0000001B-QINU`"'
~80% (oral)'"`UNIQ--ref-0000001E-QINU`"'
~80% (oral)'"`UNIQ--ref-00000029-QINU`"'
~80% (oral)'"`UNIQ--ref-00000310-QINU`"'
~80% (oral)'"`UNIQ--ref-00000BEC-QINU`"'
~80% (oral)'"`UNIQ--ref-00000E2C-QINU`"'
~80% (oral; predictable absorption — a substantive practical advantage over furosemide whose oral absorption is 10-100% variable)'"`UNIQ--ref-00000B47-QINU`"'
~80% (oral; reduced by significant first-pass)'"`UNIQ--ref-00000EFA-QINU`"'
~80-100% (oral)'"`UNIQ--ref-00000027-QINU`"'
~80-100% with food at 15-20 mg doses (10 mg dose: ~80% without food); '''must be taken with food''' at therapeutic doses'"`UNIQ--ref-00000514-QINU`"'
~80-95% (oral; more reliable than furosemide, comparable to torsemide)'"`UNIQ--ref-00000DE4-QINU`"'
~80-99% (oral)'"`UNIQ--ref-00000868-QINU`"'
~82%
~82% SC
~85-90% (oral; not significantly affected by food)'"`UNIQ--ref-00000955-QINU`"'
~85-98% (oral)'"`UNIQ--ref-000006A6-QINU`"'
~87% (oral)'"`UNIQ--ref-00000024-QINU`"'
~87% (oral)'"`UNIQ--ref-00000766-QINU`"'
~89% (oral)'"`UNIQ--ref-00000021-QINU`"'
~90% (low first-pass)
~90% (oral)'"`UNIQ--ref-00000018-QINU`"'
~90% (oral)'"`UNIQ--ref-00000024-QINU`"'
~90% (oral)'"`UNIQ--ref-00000027-QINU`"'
~90% (oral)'"`UNIQ--ref-00000DFF-QINU`"'
~90% (oral)'"`UNIQ--ref-00001140-QINU`"'
~90% (oral)'"`UNIQ--ref-00001443-QINU`"'
~90% (oral, low first-pass)'"`UNIQ--ref-0000001C-QINU`"'
~90% (oral; food increases absorption)'"`UNIQ--ref-000008A4-QINU`"'
~90% (oral; not affected by food but reduced by divalent cations)'"`UNIQ--ref-00000D83-QINU`"'
~93% (oral); ~90% (rectal)'"`UNIQ--ref-00000027-QINU`"'
~93% (oral)'"`UNIQ--ref-00000ED4-QINU`"'
~95% (oral)'"`UNIQ--ref-0000001F-QINU`"'
~95% (oral)'"`UNIQ--ref-0000002A-QINU`"'
~95% (oral)'"`UNIQ--ref-0000149E-QINU`"'
~95% (oral)'"`UNIQ--ref-000014C4-QINU`"'
~95% (oral; reduced by dairy, antacids, iron via divalent-cation chelation, though less than for tetracycline itself)'"`UNIQ--ref-0000047E-QINU`"'
~96% (oral)'"`UNIQ--ref-00000AD2-QINU`"'
~96% after red blood cell hydrolytic cleavage releases dextroamphetamine'"`UNIQ--ref-00000018-QINU`"'
~98% (oral)'"`UNIQ--ref-00000026-QINU`"'
~99% (caffeine)
~99% (oral)'"`UNIQ--ref-0000002A-QINU`"'
~99% (oral; matched 1:1 IV-to-PO conversion)'"`UNIQ--ref-00000CF6-QINU`"'
≥90% (linear pharmacokinetics, distinguishing it favorably from gabapentin's saturable LAT-1 absorption)'"`UNIQ--ref-00000027-QINU`"'
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pregnancy:
None
(1)
legal:
[[USLegal:Prescription only|Rx-only]] in US (1)
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Drilldown: Medicines
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& bioavailability:
Oral ~70%; depot IM provides sustained release over weeks'"`UNIQ--ref-0000101B-QINU`"' 
classes:
fda max: (Click arrow to add another value)