Be sure to follow the nonprescription medicine precautions.
Dosage: Adults (age 20 and older), 650 mg every 4 hours, as needed. Maximum adult dose is 4,000 mg in a 24-hour period.
Aspirin is a nonsteroidal anti-inflammatory drug (NSAID). For information about other NSAIDs, see nonsteroidal anti-inflammatory drugs (NSAIDs).
Side effects of aspirin include:
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 taken.
Reasons not to take aspirin
Do not take aspirin if you:
Do not take aspirin if you are taking:
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