Allopurinol is a prescription medicine licensed for the prevention of high uric acid levels in the body. This eMedTV page explains what you should know before taking allopurinol, describes the effects of the drug, and offers general dosing information.
Nausea, diarrhea, and gout attacks are some of the most commonly reported side effects of allopurinol. This eMedTV Web page lists other potential allopurinol side effects, including serious side effects that may require immediate medical attention.
Common allopurinol uses include preventing high uric acid levels in people with certain health conditions. This eMedTV Web resource takes a closer look at what allopurinol is used for, including its use in children and possible off-label uses.
The recommended allopurinol dosage will vary, ranging between 100 mg and 800 mg per day. This eMedTV segment contains more detailed allopurinol dosing guidelines for treating various conditions, and provides precautions and tips for taking the drug.
ACE inhibitors and diuretics may potentially cause drug interactions with allopurinol. As this eMedTV page explains, these interactions can potentially lead to serious complications. This page also lists other drugs that may interact with allopurinol.
Before taking allopurinol, let your doctor know if you have liver or kidney disease. This eMedTV Web page includes other precautions and warnings with allopurinol, including possible side effects and information on who should not take the medication.
If you think you have taken too much allopurinol (Zyloprim), seek immediate medical attention. This eMedTV resource takes a closer look at the effects of an allopurinol overdose, and describes possible treatment options that are available.
It is not known if it is safe to use allopurinol (Zyloprim) during pregnancy. As this eMedTV resource explains, animal studies on allopurinol and pregnancy show that the drug may cause problems in the fetus (such as birth defects) or miscarriages.
This eMedTV page explains that although allopurinol (Zyloprim) does pass through breast milk, it does not mean that a woman who is breastfeeding needs to stop taking the drug. This page covers what to do if you are using allopurinol and breastfeeding.
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