Drilldown: Medicines

None (1) · Fexofenadine (1) · Glimepiride (1)

Allegra, Allegra Allergy 24 Hour, Mucinex Allergy (combo) — all now OTC in US (1) · Amaryl (1) · Nuplazid (1)

Selective 5HT2A inverse agonist (with weaker 5HT2C inverse agonism) (1) · [[:Category:Antihistamines|Antihistamine]] (1) · [[:Category:Antihyperglycemic_agents|Antihyperglycemic agent]] (1) · [[:Category:H1_receptor_antagonists|Histamine H1 receptor antagonist (second-generation)]] (1) · [[:Category:Insulin_secretagogues|Insulin secretagogue]] (1) · [[:Category:Sulfonylureas|Sulfonylurea (third-generation)]] (1)

None (1) · Selective inverse agonist at 5HT2A receptors with weaker activity at 5HT2C. Has no significant dopamine D2 affinity, unique among approved antipsychotics. Inverse agonism (rather than antagonism) reduces constitutive 5HT2A receptor activity below baseline. (1) · '"`UNIQ--vote-00000CC9-QINU`"' Mostly excreted unchanged in feces and urine; P-glycoprotein substrate (the basis of the fruit-juice interaction). (1)

Hallucinations and delusions associated with Parkinson's disease psychosis (PDP). Investigational for psychosis in other dementias and as augmentation for depression. (1) · '"`UNIQ--vote-00000491-QINU`"' (1) · '"`UNIQ--vote-00000CCA-QINU`"', '"`UNIQ--vote-00000CCB-QINU`"' (1)

1-2 mg PO once daily with breakfast; titrate by glycemic response (1) · 34 mg PO once daily (1) · 60 mg PO BID or 180 mg PO once daily (1)

1 mg, 2 mg, 4 mg tablets (1) · 10 mg, 34 mg capsules/tablets (1) · 30, 60, 180 mg tablets; 30 mg ODT; 6 mg/mL oral suspension; all OTC (1)

180 mg/d (adults) (1) · 34 mg/d (1) · 8 mg/d (1)

None · Oral · IV · topical · IM · Intranasal · rectal · subcutaneous · topical ophthalmic · ophthalmic · intramuscular · intravenous · transdermal · vaginal · Subcutaneous (abdomen · sublingual · thigh · inhaled · SC · intra-articular

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None · Hours · 30-60 minutes · 1-2 hours · ~30 min · LDL lowering at 2 weeks, max by 4 weeks · ~1 hour · 15-30 minutes · 15–30 min · 1–2 h · 30–60 min · Antidepressant effect emerges over 1-2 weeks · BP and symptomatic LUTS improvement within 1-2 weeks · BP effect within 1-2 weeks · Clinical improvement within 24-72 hours · Days · Motor improvement over days at therapeutic dose · Over weeks · Postprandial glucose effect within days; HbA1c by 12 weeks · Sleep effect from first dose; antidepressant effect over 1-4 weeks

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12-24 hours (1) · 24 hours (1) · Daily dosing (1)

~14 hours'"`UNIQ--ref-00000CCC-QINU`"' (1) · ~5-9 hours (parent and active metabolites combined)'"`UNIQ--ref-00000492-QINU`"' (1) · ~57 hours (parent), ~200 h (active metabolite) (1)

Not characterized; oral dosing once daily (1) · ~100% (oral; not significantly affected by food)'"`UNIQ--ref-00000493-QINU`"' (1) · ~33% (oral; fruit juices including grapefruit, orange, and apple reduce absorption substantially via OATP1A2 inhibition — distinctive interaction not seen with most other H1s)'"`UNIQ--ref-00000CCD-QINU`"' (1)

Avoid; switch to insulin. Neonatal hypoglycemia reported.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe; loratadine and cetirizine have more pregnancy data and are typically preferred.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Limited data; avoid (1)

OTC in US (1) · Rx. FDA black-box warning for increased mortality in elderly patients with dementia-related psychosis (class warning shared with all antipsychotics) (1) · [[USLegal:Prescription only|Rx-only]] in US (1)