What happens if I overdose?
Seek emergency medical attention if you think you have used too much of this
medicine.
An overdose of allopurinol is not expected to produce life-threatening symptoms.
What should I avoid while taking allopurinol?
Avoid being near people who have colds, the flu, or other contagious illnesses. Contact
your doctor at once if you develop signs of infection.
Allopurinol can cause side effects that may impair your thinking or reactions. Be
careful if you drive or do anything that requires you to be awake and alert.
Avoid drinking alcohol. It may worsen your condition.
Your doctor may recommend a special diet to help treat your condition. Follow your diet
and medication routines very closely.
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:
This is not a complete list of side effects and others may occur. Tell
your doctor about any unusual or bothersome side effect.
What other drugs will affect allopurinol?
Before taking allopurinol, tell your doctor if you are using any of the following drugs:
This list is not complete and there may be other drugs that can interact
with allopurinol. Tell your doctor about all the prescription and over-the-counter medications
you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other
doctors. Do not start using a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about allopurinol.
Remember, keep this and all other medicines out of the reach of children,
never share your medicines with others, and use this medication only for the indication prescribed.
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