Allopurinol

How should you use this medication?
Take this medication by mouth with a glass of water. Follow the directions on the prescription label. If this medication upsets your stomach, take it with food or milk. Take your doses at regular intervals. Do not take your medication more often than directed. Talk to your care team regarding the use of this medication in children. Special care may be needed. While this medication may be prescribed for children as young as 6 years for selected conditions, precautions do apply.

What are the possible side effects of this medicine?
Side effects that you should report to your care team as soon as possible:

Allergic reactions-skin rash, itching, hives, swelling of the face, lips, tongue, or throat
Kidney injury-decrease in the amount of urine, swelling of the ankles, hands, or feet
Liver injury-right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
Rash, fever, and swollen lymph nodes
Redness, blistering, peeling, or loosening of the skin, including inside the mouth Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
Diarrhea
Drowsiness
Nausea
Vomiting

What may interact with this medicine?
Our pharmacists will check to see if this medication will cause any interactions with the information in your profile.
Do not take this medication with the following:

Didanosine, ddI This medication may also interact with the following:
Certain antibiotics like amoxicillin, ampicillin
Certain medications for cancer
Certain medications for immunosuppression like azathioprine, cyclosporine, mercaptopurine
Chlorpropamide
Probenecid
Sulfinpyrazone
Thiazide diuretics, like hydrochlorothiazide
Warfarin