Drilldown: Medicines
Medicines > onset 
:
1-3 hours (slower onset than cetirizine; symptom relief somewhat less) or
BP and symptomatic LUTS improvement within 1-2 weeks or
Over weeks
:
1-3 hours (slower onset than cetirizine; symptom relief somewhat less) or
BP and symptomatic LUTS improvement within 1-2 weeks or
Over weeks Use the filters below to narrow your results.
generic:
brand:
classes:
Anti-CGRP ligand monoclonal antibody (2) ·
[[:Category:Alpha-1_blockers|Alpha-1 adrenergic blocker (non-selective)]] (2) ·
[[:Category:Antihistamines|Antihistamine]] (1) ·
[[:Category:Antihypertensives|Antihypertensive]] (2) ·
[[:Category:BPH_treatments|Benign prostatic hyperplasia treatment]] (2) ·
[[:Category:H1_receptor_antagonists|Histamine H1 receptor antagonist (second-generation)]] (1)
mechanism:
None (1) ·
Humanized IgG2 monoclonal antibody binding both isoforms of CGRP peptide (1) ·
Humanized IgG4 monoclonal antibody binding CGRP peptide; prevents CGRP from activating its receptor (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-0000111B-QINU`"' Intraoperative floppy iris syndrome is a recognized class effect. Recently emerging evidence (observational) suggests possible Parkinson's disease risk reduction via PGK1 binding — investigational and not a clinical indication'"`UNIQ--ref-0000111C-QINU`"'. (1)
uses:
Preventive treatment of migraine in adults (episodic and chronic) (1) ·
Preventive treatment of migraine in adults; episodic cluster headache (1) ·
'"`UNIQ--vote-0000061F-QINU`"', '"`UNIQ--vote-00000620-QINU`"' (1) ·
'"`UNIQ--vote-00000AAD-QINU`"', '"`UNIQ--vote-00000AAE-QINU`"', '"`UNIQ--vote-00000AAF-QINU`"' (1) ·
'"`UNIQ--vote-0000111D-QINU`"', '"`UNIQ--vote-0000111E-QINU`"' (1)
starting dose:
1 mg PO at bedtime to limit first-dose syncope; titrate weekly to 5-10 mg (1) ·
10 mg PO once daily (1) ·
225 mg SC monthly, or 675 mg SC every 3 months (quarterly) (1) ·
IR 1 mg PO at bedtime, titrate weekly; XL 4-8 mg PO daily (1) ·
Migraine: 240 mg SC loading dose, then 120 mg SC monthly. Cluster: 300 mg SC at onset of cluster period, then monthly during cluster. (1)
preparations:
1, 2, 4, 8 mg IR tablets; 4, 8 mg XL tablets (1) ·
1, 2, 5, 10 mg capsules and tablets (1) ·
10 mg tablets; 5 mg ODT and chewables; 1 mg/mL oral syrup; combo Claritin-D (with pseudoephedrine, behind-counter) (1) ·
120 mg/mL prefilled syringe or autoinjector (1) ·
225 mg/1.5 mL prefilled syringe or autoinjector (1)
fda max:
routes:
onset: (Click arrow to add another value)
duration:
halflife:
bioavailability:
pregnancy:
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.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Limited data; avoid (2) ·
Limited data; rarely indicated in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1)
Showing below up to 5 results in range #1 to #5.