GlaxoSmithKline | Allopurinol (Medication)


Allopurinol injection is used to prevent or treat gout, high uric acid levels in the blood that may be caused by certain cancer medicines, and kidney stones. It works by reducing the production of uric acid in the body.

It may take several months or longer before you feel the full benefit of allopurinol. Allopurinol may increase the number of gout attacks during the first few months that you take it, although it will eventually prevent attacks. ...

Side Effect:

Allopurinol may cause side effects. Tell your doctor if any of the following symptoms persists or get worse:upset stomach, nausea, diarrhea or drowsiness.

Some side effects can be serious. The following symptoms are uncommon, but if you experience any of them, seek medical care immediately:skin rash, painful urination, blood in the urine, irritation of the eyes, swelling of the lips or mouth, fever, sore throat, chills, and other signs of infection, loss of appetite, unexpected weight loss, itching. ...


Before using Allopurinol tell your health provider if you are allergic to this medication or if you have any other allergies. Inform your doctor if you have or ever have had any of the following conditions:liver disease, kidney disease, diabetes, high blood pressure (hypertension), unusual diets like fasting and if you use other medication.

It is not recommended to drive or use heavy machinery while using this medication until you are sure you are able to do this activity safely.

During pregnancy and breastfeeding is not recommended to use this medicine without your doctor's advice. ...