Topic Overview

Aspirin (such as Bayer or Bufferin) relieves pain
and reduces fever and inflammation.

Do not give aspirin to anyone younger than 20 unless
your doctor tells you to do so because of the risk of
Reye syndrome.

Be sure to follow the
nonprescription medicine precautions.

Aspirin is a
nonsteroidal anti-inflammatory drug (NSAID). For information about other
NSAIDs, see
nonsteroidal anti-inflammatory drugs (NSAIDs).

Side effects of aspirin include:

  • Stomach upset or discomfort, which is the most
    common side effect. Taking aspirin with food may help.
  • Ringing in
    the ears. Stop taking aspirin or take a smaller dose until the ringing goes
  • Eye problems, such as blurred or double
  • Dizziness.
  • Rapid, deep breathing.

Stop taking aspirin and call a health professional if side
effects do not go away within 4 hours after the last dose of aspirin was

Reasons not to take aspirin

Do not take aspirin if you:

  • Are allergic to aspirin.
  • Are pregnant
    or trying to become pregnant.
  • Are breastfeeding.
  • Have nasal polyps.
  • Have a blood-clotting
    disorder or take blood thinners (anticoagulants).
  • Have peptic ulcer disease.
  • Have a history of
    gastrointestinal bleeding.
  • Have a hangover.


ByHealthwise Staff
Primary Medical Reviewer William H. Blahd, Jr., MD, FACEP – Emergency Medicine
Adam Husney, MD – Family Medicine
Martin J. Gabica, MD – Family Medicine
Kathleen Romito, MD – Family Medicine
Elizabeth T. Russo, MD – Internal Medicine
Specialist Medical Reviewer David Messenger, MD

Current as ofOctober 9, 2017