Acetaminophen (Oral Route, Rectal Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Rare
  • Yellow eyes or skin
Symptoms of overdose
  • Diarrhea
  • Increased sweating
  • Loss of appetite
  • Nausea or vomiting
  • Stomach cramps or pain
  • Swelling, pain, or tenderness in the upper abdomen or stomach area

Check with your doctor as soon as possible if any of the following side effects occur:

Rare
  • Bloody or black, tarry stools
  • Bloody or cloudy urine
  • Fever with or without chills (not present before treatment and not caused by the condition being treated)
  • Pain in lower back and/or side (severe and/or sharp)
  • Pinpoint red spots on skin
  • Skin rash, hives, or itching
  • Sores, ulcers, or white spots on lips or in mouth
  • Sore throat (not present before treatment and not caused by the condition being treated)
  • Sudden decrease in amount of urine
  • Unusual bleeding or bruising
  • Unusual tiredness or weakness

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Precautions

DR601885

Portions of this document last updated:

Nov. 1, 2009

Source: Drug Information provided by: Micromedex

Copyright © 2009 Thomson Healthcare Inc. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.


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