Locations:

Allopurinol injection

What is this medication?

ALLOPURINOL (al oh PURE i nole) reduces the amount of uric acid the body makes during chemotherapy. Too much uric acid in the blood can cause damage to your kidneys.

Advertisement

Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Aloprim

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

  • kidney disease
  • liver disease
  • an unusual or allergic reaction to allopurinol, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast feeding

How should I use this medication?

The medicine is for infusion into a vein. It is given by a health care professional in a hospital or clinic setting.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

This does not apply.

What may interact with this medication?

Do not take this medication with the following medications:

  • didanosine

This medicine may also interact with the following medications:

  • certain antibiotics such as amoxicillin or ampicillin
  • certain medications for cancer such as capecitabine, cyclophosphamide, or fluorouracil
  • certain medications for immunosuppression such as azathioprine, cyclosporine, or mercaptopurine
  • chlorpropamide
  • probenecid
  • thiazide diuretics such as hydrochlorothiazide
  • sulfinpyrazone
  • warfarin

Advertisement

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Your condition will be monitored carefully while you are receiving this medicine.

This medicine may cause serious skin reactions. They can happen weeks to months after starting the medicine. Contact your healthcare provider right away if you notice fevers or flu-like symptoms with a rash. The rash may be red or purple and then turn into blisters or peeling of the skin. Or, you might notice a red rash with swelling of the face, lips or lymph nodes in your neck or under your arms.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.

Drink plenty of water while you are taking this medicine. This will help to reduce the risk of getting gout or kidney stones.

What side effects may I notice from receiving this medication?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • breathing problems
  • joint pain
  • muscle pain
  • rash, fever, and swollen lymph nodes
  • redness, blistering, peeling, or loosening of the skin, including inside the mouth
  • signs and symptoms of infection like fever or chills; cough; sore throat
  • signs and symptoms of kidney injury like trouble passing urine or change in the amount of urine, flank pain
  • tingling, numbness in the hands or feet
  • unusual bleeding or bruising
  • unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • changes in taste
  • diarrhea
  • drowsiness
  • headache
  • nausea, vomiting
  • stomach upset

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

This drug is given in a hospital or clinic and will not be stored at home.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

Advertisement

Copyright ©2025 Elsevier Inc. All Rights Reserved.

Terms of use.

Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.

Ad
Call Appointment Center 866.320.4573
Questions 216.444.2200