Drilldown: Medicines

Aspirin (acetylsalicylic acid; ASA) (1)

Bayer, Ecotrin, Bufferin, St. Joseph (low-dose 81 mg), Excedrin (with acetaminophen and caffeine) (1)

[[:Category:Analgesics|Analgesic]] (1) · [[:Category:Antiplatelets|Antiplatelet]] (1) · [[:Category:Antipyretics|Antipyretic]] (1) · [[:Category:NSAIDs|Non-steroidal anti-inflammatory (NSAID)]] (1)

None (1)

'"`UNIQ--vote-0000001F-QINU`"', '"`UNIQ--vote-00000020-QINU`"', '"`UNIQ--vote-00000021-QINU`"', '"`UNIQ--vote-00000022-QINU`"', '"`UNIQ--vote-00000023-QINU`"', '"`UNIQ--vote-00000024-QINU`"', '"`UNIQ--vote-00000025-QINU`"', '"`UNIQ--vote-00000026-QINU`"' (1)

Antiplatelet: 81 mg PO once daily. Acute MI/stroke: 162-325 mg chewed. Analgesic: 325-650 mg PO every 4-6 hours as needed (1)

Tablets 81 (low-dose), 325, 500, 650 mg; chewable 81 mg; enteric-coated tablets; effervescent tablets; suppositories (1)

4000 mg/day (analgesic) (1)

None · Oral · IV · topical · IM · intranasal · rectal · Subcutaneous · Topical ophthalmic · ophthalmic · intramuscular · intravenous · transdermal · vaginal · Subcutaneous (abdomen · sublingual · thigh · inhaled · intra-articular · nebulized

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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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'''Antiplatelet effect lasts the platelet's lifetime (~7-10 days)''' due to irreversible COX-1 acetylation; analgesic 4-6 hours (1)

Aspirin 15-30 minutes; salicylate metabolite 2-3 hours (concentration-dependent, saturable at high doses)'"`UNIQ--ref-00000027-QINU`"' (1)

~50% (oral; reduced by buffering and enteric coating but onset clinically similar)'"`UNIQ--ref-00000028-QINU`"' (1)

Low-dose (81 mg) safe and indicated for preeclampsia prophylaxis after 12 weeks in high-risk patients per USPSTF; high-dose aspirin avoid third trimester due to premature ductus arteriosus closure and bleeding risk (1)

[[USLegal:Over-the-counter|OTC]] in US at all standard strengths (1)