Drilldown: Medicines
Use the filters below to narrow your results.
generic:
brand:
classes:
[[:Category:5-alpha-reductase_inhibitors|5α-reductase inhibitor]] (1) ·
[[:Category:Androgen_modulators|Androgen modulator]] (1) ·
[[:Category:Antiasthmatic_agents|Antiasthmatic]] (1) ·
[[:Category:Antidepressants|Antidepressant]] (1) ·
[[:Category:Antihistamines|Antihistamine]] (2) ·
[[:Category:Antihyperglycemic_agents|Antihyperglycemic agent]] (1) ·
[[: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:SARIs|Serotonin antagonist and reuptake inhibitor (SARI)]] (1) ·
[[:Category:Sleep aids|Sleep aid]] (1)
mechanism:
None (3) ·
'"`UNIQ--vote-0000001B-QINU`"' '''Priapism''' is a recognized rare adverse effect via α1 antagonism in penile vasculature and is the marquee counseling point for male patients'"`UNIQ--ref-0000001C-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)
uses:
'"`UNIQ--vote-0000001D-QINU`"', '"`UNIQ--vote-0000001E-QINU`"', '"`UNIQ--vote-0000001F-QINU`"', '"`UNIQ--vote-00000020-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-0000117B-QINU`"' (1)
starting dose:
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) ·
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) ·
Insomnia (off-label): 25-50 mg PO at bedtime, titrate to effect. Depression: 150 mg/day divided BID-TID; titrate to 400 mg/day outpatient or 600 mg/day inpatient (1)
preparations:
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) ·
5 mg tablets; combination with metformin (1) ·
5 mg, 10 mg tablets; 5 mg, 10 mg chewables; 1 mg/mL oral syrup; OTC (1) ·
IR tablets 50, 100, 150, 300 mg; Oleptro ER tablets 150, 300 mg (1)
fda max: (Click arrow to add another value)
routes:
onset:
1-3 hours (slower onset than cetirizine; symptom relief somewhat less) (1) ·
30-60 minutes (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) ·
Sleep effect within 30-60 minutes; antidepressant effect over 1-2 weeks (1)
halflife:
2.7-5.5 hours'"`UNIQ--ref-0000015E-QINU`"' (1) ·
8-10 hours (longer in elderly and renal impairment)'"`UNIQ--ref-00000396-QINU`"' (1) ·
Biphasic: ~3-6 hours alpha, ~5-9 hours beta'"`UNIQ--ref-00000021-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)
bioavailability:
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) ·
~65% (oral)'"`UNIQ--ref-00000022-QINU`"' (1)
pregnancy:
'''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.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Generally considered safe; pregnancy registries do not show increased major malformation risk.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</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.">[[[Pharmacopedia:Citation needed|citation needed]]]</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.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Limited data; switch to insulin where feasible.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Limited human data; observational signals inconclusive.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1)
legal:
OTC in US (2) ·
[[USLegal:Prescription only|Rx-only]] in US (2) ·
[[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) ·
[[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-00000023-QINU`"' (1)
Showing below up to 6 results in range #1 to #6.