U.S./Canadian Brand Names

  • Asaphen [Can]
  • Asaphen E.C. [Can]
  • Ascriptin® Extra Strength [US-OTC]
  • Ascriptin® [US-OTC]
  • Aspercin Extra [US-OTC]
  • Aspercin [US-OTC]
  • Aspergum® [US-OTC]
  • Bayer® Aspirin Extra Strength [US-OTC]
  • Bayer® Aspirin Regimen Adult Low Strength [US-OTC]
  • Bayer® Aspirin Regimen Children's [US-OTC]
  • Bayer® Aspirin Regimen Regular Strength [US-OTC]
  • Bayer® Aspirin [US-OTC]
  • Bayer® Extra Strength Arthritis Pain Regimen [US-OTC]
  • Bayer® Plus Extra Strength [US-OTC]
  • Bayer® Women's Aspirin Plus Calcium [US-OTC]
  • Bufferin® Extra Strength [US-OTC]
  • Bufferin® [US-OTC]
  • Buffinol Extra [US-OTC]
  • Buffinol [US-OTC]
  • Easprin® [US]
  • Ecotrin® Low Strength [US-OTC]
  • Ecotrin® Maximum Strength [US-OTC]
  • Ecotrin® [US-OTC]
  • Entrophen® [Can]
  • Halfprin® [US-OTC]
  • Novasen [Can]
  • St Joseph® Adult Aspirin [US-OTC]
  • Sureprin 81™ [US-OTC]
  • ZORprin® [US]

Therapeutic Category

  • Analgesic, Nonnarcotic
  • Antiplatelet Agent
  • Antipyretic
  • Nonsteroidal Antiinflammatory Drug (NSAID)


Treatment of mild-to-moderate pain, inflammation, and fever; may be used as prophylaxis of myocardial infarction; prophylaxis of stroke and/or transient ischemic episodes; management of rheumatoid arthritis, rheumatic fever, osteoarthritis, and gout (high dose); adjunctive therapy in revascularization procedures (coronary artery bypass graft [CABG], percutaneous transluminal coronary angioplasty [PTCA], carotid endarterectomy), stent implantation.


  • black, bloody, or tarry stools;
  • coughing up blood or vomit that looks like coffee grounds;
  • severe nausea, vomiting, or stomach pain;
  • fever lasting longer than 3 days;
  • swelling, or pain lasting longer than 10 days; or
  • hearing problems, ringing in your ears.
Less serious side effects of aspirin may include:
  • upset stomach, heartburn;
  • drowsiness; or
  • headache.

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