Drilldown: Medicines

Cetirizine (1) · Esomeprazole (1) · Finasteride (1) · Linagliptin (1) · Loratadine (1) · Montelukast (1) · Pantoprazole (1)

Claritin, Alavert, Tavist ND (1) · Nexium, Nexium 24HR (OTC) (1) · Proscar (5 mg, BPH), Propecia (1 mg, alopecia) (1) · Protonix (1) · Singulair (1) · Tradjenta; with metformin Jentadueto (1) · Zyrtec, Zyrtec-D (1)

[[:Category:5-alpha-reductase_inhibitors|5α-reductase inhibitor]] (1) · [[:Category:Androgen_modulators|Androgen modulator]] (1) · [[:Category:Antiasthmatic_agents|Antiasthmatic]] (1) · [[:Category:Antihistamines|Antihistamine]] (2) · [[:Category:Antihyperglycemic_agents|Antihyperglycemic agent]] (1) · [[:Category:Antisecretory_agents|Gastric acid suppressant]] (2) · [[:Category:BPH_treatments|Benign prostatic hyperplasia treatment]] (1) · [[:Category:DPP-4_inhibitors|DPP-4 inhibitor]] (1) · [[:Category:H1_receptor_antagonists|Histamine H1 receptor antagonist (second-generation)]] (2) · [[:Category:Incretin_modulators|Incretin pathway modulator]] (1) · [[:Category:Leukotriene_receptor_antagonists|Leukotriene receptor antagonist]] (1) · [[:Category:Proton_pump_inhibitors|Proton pump inhibitor (PPI)]] (2)

None (3) · '"`UNIQ--vote-00000117-QINU`"' Compared with omeprazole, pantoprazole has a more linear pharmacokinetic profile and is metabolized predominantly via CYP2C19 with CYP3A4 contribution; less CYP2C19-driven drug interaction with clopidogrel than omeprazole'"`UNIQ--ref-00000118-QINU`"'. (1) · '"`UNIQ--vote-00000391-QINU`"' Minimal CYP metabolism; mostly renally cleared unchanged. Cetirizine is the active racemate; levocetirizine is the active R-enantiomer marketed separately'"`UNIQ--ref-00000392-QINU`"'. (1) · '"`UNIQ--vote-0000061E-QINU`"' Less reliably anticholinergic than first-generation H1s; minimal antiemetic effect. Desloratadine (Clarinex) is the active enantiomer-of-metabolite version marketed as a Rx alternative. (1) · '"`UNIQ--vote-000008E1-QINU`"' Like omeprazole, it is an acid-activated prodrug that covalently and irreversibly binds the H+/K+ ATPase. CYP2C19 PGx remains clinically relevant for both'"`UNIQ--ref-000008E2-QINU`"'. (1)

'"`UNIQ--vote-00000119-QINU`"', '"`UNIQ--vote-0000011A-QINU`"', '"`UNIQ--vote-0000011B-QINU`"', '"`UNIQ--vote-0000011C-QINU`"' (1) · '"`UNIQ--vote-0000015B-QINU`"', '"`UNIQ--vote-0000015C-QINU`"', '"`UNIQ--vote-0000015D-QINU`"' (1) · '"`UNIQ--vote-00000393-QINU`"', '"`UNIQ--vote-00000394-QINU`"', '"`UNIQ--vote-00000395-QINU`"' (1) · '"`UNIQ--vote-0000052E-QINU`"', '"`UNIQ--vote-0000052F-QINU`"', '"`UNIQ--vote-00000530-QINU`"' (1) · '"`UNIQ--vote-0000061F-QINU`"', '"`UNIQ--vote-00000620-QINU`"' (1) · '"`UNIQ--vote-000008E3-QINU`"', '"`UNIQ--vote-000008E4-QINU`"', '"`UNIQ--vote-000008E5-QINU`"', '"`UNIQ--vote-000008E6-QINU`"', '"`UNIQ--vote-000008E7-QINU`"' (1) · '"`UNIQ--vote-0000117B-QINU`"' (1)

10 mg PO once daily (1) · 10 mg PO once daily (5 mg in older adults or if sedation occurs) (1) · 10 mg PO once daily in the evening (adults); 4-5 mg in children (1) · 20-40 mg PO once daily, 30-60 minutes before breakfast (1) · 40 mg PO or IV once daily (1) · 5 mg PO daily for BPH; 1 mg PO daily for androgenetic alopecia (1) · 5 mg PO once daily (no renal dose adjustment, unlike sitagliptin) (1)

1 mg, 5 mg tablets (1) · 10 mg tablets; 4 mg, 5 mg chewables; 4 mg granules (1) · 10 mg tablets; 5 mg ODT and chewables; 1 mg/mL oral syrup; combo Claritin-D (with pseudoephedrine, behind-counter) (1) · 20 mg, 40 mg delayed-release tablets; 40 mg IV vial; oral suspension 40 mg/packet (1) · 20, 40 mg delayed-release capsules; 2.5, 5, 10, 20, 40 mg oral suspension packets; 20, 40 mg IV (1) · 5 mg tablets; combination with metformin (1) · 5 mg, 10 mg tablets; 5 mg, 10 mg chewables; 1 mg/mL oral syrup; OTC (1)

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:

Search

IV (2) · Oral (7)

1-3 hours (slower onset than cetirizine; symptom relief somewhat less) (1) · 2-3 hours per dose; full acid suppression after 3-5 days (1) · 30-60 minutes (1) · Acid suppression within hours; full effect after 3-5 days of dosing (1) · BPH symptom improvement at 3-6 months; prostate volume reduction over 6-12 months; hair regrowth at 6-12 months (1) · Bronchodilation within 1-2 hours; full controller effect 1-2 weeks (1) · Postprandial glucose effect within days; HbA1c by 12 weeks (1)

24 hours (5) · 24+ hours (irreversible enzyme binding) (1) · 24-72 hours per dose (irreversible enzyme binding) (1)

2.7-5.5 hours'"`UNIQ--ref-0000015E-QINU`"' (1) · 8-10 hours (longer in elderly and renal impairment)'"`UNIQ--ref-00000396-QINU`"' (1) · ~1 hour (plasma); pharmacodynamic effect persists 24+ hours'"`UNIQ--ref-0000011D-QINU`"' (1) · ~1.5 hours (plasma); pharmacodynamic effect 24+ hours via target turnover'"`UNIQ--ref-000008E8-QINU`"' (1) · ~12 hours (effective); terminal much longer'"`UNIQ--ref-0000117C-QINU`"' (1) · ~5-6 hours in young men, ~8 hours in elderly'"`UNIQ--ref-00000531-QINU`"' (1) · ~8 hours (parent); ~28 hours (desloratadine, the active metabolite, marketed separately as Clarinex)'"`UNIQ--ref-00000621-QINU`"' (1)

High (oral); not significantly affected by food'"`UNIQ--ref-00000397-QINU`"' (1) · High (oral; food prolongs absorption modestly)'"`UNIQ--ref-00000622-QINU`"' (1) · ~30% (oral)'"`UNIQ--ref-0000117D-QINU`"' (1) · ~63% (oral)'"`UNIQ--ref-00000532-QINU`"' (1) · ~64% (oral; not significantly affected by food)'"`UNIQ--ref-0000015F-QINU`"' (1) · ~64-90% (oral; increases at higher doses and with multi-day dosing)'"`UNIQ--ref-000008E9-QINU`"' (1) · ~77% (oral; not affected by food or antacids)'"`UNIQ--ref-0000011E-QINU`"' (1)

'''Pregnant individuals should not handle crushed/broken tablets''' (skin absorption risk); can cause hypospadias in male fetus. Not used in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe; pregnancy registries do not show increased major malformation risk.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe; widely used in obstetric reflux.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe; widely used. Levocetirizine (the R-enantiomer) is an alternative with similar safety.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe; widely used. Loratadine and cetirizine are the most-recommended 2nd-gen H1s in pregnancy and lactation.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Limited data; switch to insulin where feasible.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Widely used in obstetric reflux; reassuring data.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

OTC (20 mg, 14-day course) and [[USLegal:Prescription only|Rx-only]] (higher and longer durations) in US (1) · OTC in US (2) · [[USLegal:Prescription only|Rx-only]] in US (3) · [[USLegal:Prescription only|Rx-only]] in US. '''FDA Boxed Warning (2020):''' neuropsychiatric events including agitation, depression, sleep disturbance, and suicidal thoughts; benefit-risk should be reassessed regularly'"`UNIQ--ref-00000160-QINU`"'. (1)