Drilldown: Medicines
Use the filters below to narrow your results.
generic:
classes:
[[:Category:Antiasthmatic_agents|Antiasthmatic]] (1) ·
[[:Category:Antifungals|Antifungal (triazole)]] (1) ·
[[:Category:Antihistamines|Antihistamine]] (2) ·
[[:Category:H1_receptor_antagonists|Histamine H1 receptor antagonist (second-generation)]] (2) ·
[[:Category:Leukotriene_receptor_antagonists|Leukotriene receptor antagonist]] (1) ·
[[:Category:Triazoles|Triazole]] (1)
mechanism:
None (2) ·
'"`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-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-0000061F-QINU`"', '"`UNIQ--vote-00000620-QINU`"' (1) ·
'"`UNIQ--vote-00000A42-QINU`"', '"`UNIQ--vote-00000A43-QINU`"', '"`UNIQ--vote-00000A44-QINU`"', '"`UNIQ--vote-00000A45-QINU`"', '"`UNIQ--vote-00000A46-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) ·
Vulvovaginal: 150 mg PO single dose; oropharyngeal: 200 mg PO day 1, then 100 mg daily ×14 days; invasive candidiasis: 800 mg load, then 400 mg PO/IV daily; cryptococcal meningitis: 400-800 mg/d (1)
preparations:
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, 10 mg tablets; 5 mg, 10 mg chewables; 1 mg/mL oral syrup; OTC (1) ·
50, 100, 150, 200 mg tablets; 10, 40 mg/mL oral suspension; 2 mg/mL IV (1)
fda max: (Click arrow to add another value)
onset:
duration:
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) ·
~30 hours (long, supports once-daily dosing and substantial drug-interaction window after discontinuation)'"`UNIQ--ref-00000A47-QINU`"' (1) ·
~8 hours (parent); ~28 hours (desloratadine, the active metabolite, marketed separately as Clarinex)'"`UNIQ--ref-00000621-QINU`"' (1)
bioavailability:
>90% (oral; not affected by food or gastric pH — a major practical advantage over itraconazole)'"`UNIQ--ref-00000A48-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) ·
~64% (oral; not significantly affected by food)'"`UNIQ--ref-0000015F-QINU`"' (1)
pregnancy:
None (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)
legal:
OTC in US (2) ·
[[USLegal:Prescription only|Rx-only]] in US (1) ·
[[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)
Showing below up to 4 results in range #1 to #4.