Allopurinol: What Are The Possible Side Effects Of Allopurinol
Content provided by Cerner Multum, Inc.
What are the possible side effects of allopurinol?
 | Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. |
| Stop using allopurinol and call your doctor at once if you have any of these serious side effects: |
- the first sign of any skin rash, no matter how mild;
- pain or bleeding when you urinate;
- urinating less than usual or not at all;
- fever, sore throat, and headache with a severe blistering, peeling, and red skin rash;
- bruising, severe tingling, numbness, pain, muscle weakness;
- easy bruising or bleeding, unusual weakness;
- fever, chills, body aches, flu symptoms;
- jaundice (yellowing of the skin or eyes); or
- seizure (convulsions).
Less serious side effects may include:
- nausea, vomiting, diarrhea;
- dizziness or drowsiness;
- increased sweating; or
- joint pain.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.
| Last updated: | March 24, 2008 |
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© 2007, Cerner Multum, INC. Version: 5.02.
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