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Medicines (732)

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Amitriptyline (hydrochloride) (1) · Ascorbic acid (vitamin C) (1) · Bisacodyl (1) · Docusate (sodium or calcium) (1) · Doxepin (hydrochloride) (1) · Guaifenesin (1) · Lactulose (1) · Mirtazapine (1) · Nortriptyline (hydrochloride) (1) · Polyethylene glycol 3350 (PEG 3350) (1)

Colace (sodium), Surfak (calcium); many generics OTC (1) · Dulcolax, Correctol, Bisac-Evac (1) · Elavil (US brand discontinued; generic widely available), Endep, Tryptizol (1) · Generic; huge OTC presence (1) · Kristalose, Constulose, Generlac, Enulose (1) · MiraLAX (OTC), GlycoLax, GoLYTELY (with electrolytes for bowel prep), CoLyte, MoviPrep, NuLYTELY (1) · Mucinex, Robitussin, Tussin (1) · Pamelor (US brand discontinued; generic widely available), Aventyl (1) · Remeron (US brand discontinued; generic widely available), Remeron SolTab (ODT) (1) · Sinequan (oral antidepressant, US brand discontinued), Silenor (low-dose for insomnia), Prudoxin / Zonalon (topical cream) (1)

None (6) · '"`UNIQ--vote-00000019-QINU`"' Therapeutic plasma-level monitoring is standard practice for TCAs given the narrow therapeutic index and the established plasma-level-efficacy correlation. CYP2D6 substrate; CPIC PGx guidance applies for dose individualization'"`UNIQ--ref-0000001A-QINU`"'. (1) · '"`UNIQ--vote-0000104D-QINU`"' Adequate hydration is at least as important as the drug in producing the expectorant effect clinically. Used in combination with dextromethorphan, decongestants, or antihistamines in many proprietary OTC cold preparations. (1) · '"`UNIQ--vote-00001067-QINU`"' Chronic use is associated with cathartic colon (colonic dilation, loss of haustration), hypokalemia, and laxative dependence; reserved for short-term use or bowel prep with breaks between courses'"`UNIQ--ref-00001068-QINU`"'. (1) · '"`UNIQ--vote-0000132D-QINU`"' Electrolyte-balanced bowel-prep formulations are designed to be iso-osmotic with plasma so the volume passes through without net fluid or electrolyte shifts, the basis of their safety for whole-bowel evacuation. (1)

100-200 mg PO once or twice daily; pediatric weight-based (1) · 15 mg PO at bedtime, titrate to 30-45 mg/day after 1-2 weeks. '''Counterintuitive dose paradox''': lower doses (7.5-15 mg) are more sedating than higher doses because H1 antihistamine effect dominates at low dose (1) · 200-400 mg PO q4h (IR); 600-1200 mg PO q12h (Mucinex 12-Hour ER) (1) · 5-15 mg PO once at bedtime; 10 mg PR for faster effect; bowel prep regimens use higher single doses (1) · Constipation: 15-30 mL PO daily (titrate to 1-2 soft stools/day); hepatic encephalopathy: 20-30 g (30-45 mL) PO/PR every 1-2 hours acutely until soft stools, then BID-QID to target 2-3 soft stools/day (1) · Constipation: 17 g (one capful) PO daily dissolved in 4-8 oz fluid; bowel prep: 4 L of PEG-electrolyte solution split-dose evening before and morning of procedure (1) · Depression (rarely used now): 25-75 mg PO at bedtime, titrate to 150 mg/day. Neuropathic pain / migraine prophylaxis: 10-25 mg at bedtime, titrate by 10-25 mg weekly to 50-100 mg/day. Elderly: 10 mg at bedtime (Beers-list cautions apply) (1) · Depression: 25 mg PO TID-QID or 75 mg at bedtime, titrate to 75-150 mg/day. Neuropathic pain: 10-25 mg at bedtime, titrate to 50-100 mg/day. Elderly: 10 mg at bedtime (Beers-list cautions, though less than amitriptyline) (1) · Depression: 25-75 mg/day to start, titrate to 75-150 mg/day at bedtime. Insomnia (Silenor): 3 mg PO 30 minutes before bedtime, max 6 mg. Topical (Prudoxin): apply to affected area every 3-4 hours (1) · General supplementation 75-90 mg/d (RDA); scurvy treatment 100-1000 mg/d for several weeks; megadose claims unsupported (1)

10 g/15 mL solution (Constulose); 10 g, 20 g powder packets (Kristalose) (1) · 100, 200, 400 mg IR tablets; 600 mg, 1200 mg Mucinex ER tablets; many liquid formulations and combination products with dextromethorphan, pseudoephedrine, antihistamines (1) · 100, 250, 500, 1000 mg tablets, chewables, gummies, effervescent; IV (specialty) (1) · 17 g (OTC) and 14 g (Rx) powder packets; 238, 510, 527 g bottles; PEG-electrolyte preparations 4 L (GoLYTELY, NuLYTELY) (1) · 5 mg enteric-coated tablets; 10 mg rectal suppositories; OTC and Rx (1) · 50, 100, 250 mg capsules; 50 mg/5 mL syrup; OTC (1) · Capsules 10, 25, 50, 75 mg; oral solution 10 mg/5 mL (1) · Capsules 10, 25, 50, 75, 100, 150 mg; oral concentrate 10 mg/mL; Silenor tablets 3, 6 mg; topical cream 5% (Prudoxin, Zonalon) (1) · Tablets 10, 25, 50, 75, 100, 150 mg (1) · Tablets 7.5, 15, 30, 45 mg; orally disintegrating tablets (SolTab) 15, 30, 45 mg (1)

150 mg/day; therapeutic plasma-level monitoring recommended (target 50-150 ng/mL window) (1) · 2.4 g/d (1) · 30 mg/d for short-term use (1) · 300 mg/day (depression, hospitalized); 150 mg/day outpatient; 6 mg/day for insomnia (1) · 300 mg/day (historical hospitalized inpatient depression); 150 mg/day outpatient typical ceiling (1) · 45 mg/day (1) · Indication-specific; bowel prep regimens reach 4 L cumulative (1) · Indication-specific; HE may require high-volume dosing (1) · UL 2000 mg/d in adults (1) · ~500 mg/d typical (1)

especially in acute HE) (1) · IV (1) · Oral (10) · rectal (2) · rectal (enema (1) · topical (1)

1-3 days (1) · 30 minutes (1) · Constipation: 1-3 days; bowel prep: 1-3 hours after starting (1) · Constipation: 24-48 hours; HE: ammonia reduction within hours of stool production (1) · Days for symptom improvement in scurvy (1) · Pain and migraine prophylaxis effect 1-4 weeks; antidepressant effect 4-6 weeks (1) · PO 6-12 hours; PR 15-60 minutes (1) · Sleep effect from first dose; analgesic and migraine-prophylaxis effect 1-4 weeks; antidepressant effect 4-6 weeks (1) · Sleep effect from first dose; antidepressant effect over 1-4 weeks (2)

18-44 hours'"`UNIQ--ref-00000020-QINU`"' (1) · 20-40 hours'"`UNIQ--ref-00000023-QINU`"' (1) · Amitriptyline 10-50 hours (highly variable); nortriptyline active metabolite 18-44 hours'"`UNIQ--ref-00000026-QINU`"' (1) · Not meaningfully described (1) · Not meaningfully described (negligible systemic absorption) (1) · Not meaningfully described — lactulose is not significantly absorbed (1) · Variable; effect dependent on local intestinal action rather than systemic kinetics'"`UNIQ--ref-0000106B-QINU`"' (1) · ~1 hour'"`UNIQ--ref-00001050-QINU`"' (1) · ~10-20 days (steady-state body pool); single dose plasma ~2 hours (1) · ~15 hours (parent); nordoxepin active metabolite ~30 hours'"`UNIQ--ref-00000020-QINU`"' (1)

<0.1% systemic absorption (PEG 3350 is too large to absorb intact) (1) · <3% systemic absorption (the basis of the safety and mechanism)'"`UNIQ--ref-00000F5E-QINU`"' (1) · High (oral)'"`UNIQ--ref-00001051-QINU`"' (1) · Local action; minimal systemic effect (1) · Low systemic absorption (enteric coating delivers drug to colon)'"`UNIQ--ref-0000106C-QINU`"' (1) · ~30% (oral)'"`UNIQ--ref-00000021-QINU`"' (1) · ~50% (oral)'"`UNIQ--ref-00000021-QINU`"' (1) · ~50% (oral)'"`UNIQ--ref-00000027-QINU`"' (1) · ~50% (oral; substantial first-pass)'"`UNIQ--ref-00000024-QINU`"' (1) · ~70-90% at typical doses; saturable at high doses (>500 mg) (1)

OTC (MiraLAX) and [[USLegal:Prescription only|Rx-only]] (electrolyte solutions for bowel prep) in US (1) · OTC in US (4) · [[USLegal:Prescription only|Rx-only]] in US (1) · [[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-00000022-QINU`"' (2) · [[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-00000025-QINU`"' (1) · [[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-00000028-QINU`"' (1)

Showing below up to 10 results in range #1 to #10.

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