Bayer Aspirin (aspirin) is a nonsteroidal anti-inflammatory drug (NSAID) prescribed for treating fever, pain, inflammation in the body, prevention of blood clots, and reduction of the risk of strokes and heart attacks. Bayer Aspirin is available as a generic drug. Common side effects of Bayer Aspirin include rash, gastrointestinal ulcerations, abdominal pain, upset stomach, heartburn, drowsiness, headache, cramping, nausea, gastritis, and bleeding.

Bayer Aspirin dose ranges from 50 mg to 6000 mg daily. Drug interactions include Eskalith, Lithobid (lithium), Rheumatrex, Trexall (methotrexate) and Coumadin (warfarin). Use of Bayer Aspirin during pregnancy may have adverse effects in the fetus. It should be used during pregnancy only when the benefits outweigh the risks. Aspirin is excreted into breast milk and may cause adverse effects in the infant.

Our Bayer Aspirin Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

There is a wide range of adverse reactions that may result from aspirin use including effects on the body as a whole, or on specific body systems and functions.

High doses can cause hearing loss or tinnitus-- ringing in the ears. (Note that this usually only occurs with large doses as prescribed in rheumatologic diseases and is rare in treatment with low doses used for cardiovascular purposes.)

Common Side Effects of Aspirin You should tell your doctor if any of the following side effects become severe or don't go away:

Vomiting Stomach pain Heartburn Drowsiness Nausea

Serious Side Effects of Aspirin You should call your doctor immediately if you experience any of the following serious side effects:

Ringing in the ears Loss of hearing Hives or rash Swelling of the eyes, face, lips, tongue, or throat Wheezing or breathing difficulties Hoarseness Fast heartbeat or fast breathing Cold, clammy skin Bloody vomit or vomit that looks like coffee grounds Bright red blood in stools or black or tarry stools

Applies to aspirin: compounding powder, oral delayed release capsule, oral delayed release tablet, oral gum, oral powder for reconstitution, oral tablet, oral tablet chewable, oral tablet disintegrating, oral tablet dispersible, oral tablet extended release, rectal suppository