Medications and DrugsBrand Names: ZyloprimGeneric Name: allopurinol (Pronunciation: al oh PURE i nole)
What is allopurinol (Zyloprim)?Allopurinol reduces the production of uric acid in your body. Uric acid buildup can lead to gout or kidney stones. Allopurinol is used to treat gout or kidney stones, and to decrease levels of uric acid in people who are receiving cancer treatment. Allopurinol may also be used for other purposes not listed in this medication guide. What are the possible side effects of allopurinol (Zyloprim)?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:
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. You may report side effects to FDA at 1-800-FDA-1088. What is the most important information I should know about allopurinol (Zyloprim)?Do not use this medication if you have ever had a serious allergic reaction to allopurinol. Stop taking the medicine and call your doctor at once if you have any signs of skin rash, no matter how mild. Take each dose with a full glass of water. To reduce your risk of kidney stones forming, drink 8 to 10 full glasses of fluid every day, unless your doctor tells you otherwise. Allopurinol can lower the blood cells that help your body fight infections. This can make it easier for you to bleed from an injury or get sick from being around others who are ill. To be sure your blood cells do not get too low, your blood will need to be tested on a regular basis. Do not miss any scheduled appointments. Avoid drinking alcohol. It can make your condition worse. 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. (Page 1 of 3) |
Women's Health
Find out what women really need.
From WebMD
Healthy Resources
Featured Centers
- Ask the Nutritionist: Weight Loss Tips
- Which Drugstore Tooth Whiteners Work Best?
- Gout: Symptoms, Causes, and Treatments
Health Solutions From Our Sponsors
Kidney Stones Overview
The kidney acts as a filter for blood, removing waste products from the body and making urine. It also helps regulate electrolyte levels that are important for body function. Urine drains from the kidney through a narrow tube called the ureter into the bladder. When the bladder fills and there is an urge to urinate, the bladder empties to the outside through the urethra, a much wider tube than the ureter.
In some people, chemicals crystallize in the urine and form the beginning, or nidus, of a kidney stone. These stones are very tiny when they form, smaller than a grain of sand, but gradually can grow over time to 1/10 of an inch or larger. Urolithiasis is the term that refers to the presence of stones in the urinary tract, while nephrolithiasis refers to kidney stones and ureterolithiasis refers to stones lodged in the ureter. The size of the stone doesn't matter as much as where it is located and whether it obstructs or prevents urine f...
Featured Topics
Medical Dictionary
Pill Identifier on RxList
- quick,
easy,
pill identification
Find a Local Pharmacy
- including
24 hour
pharmacies

















