Allopurinol works by reducing the production ofuric acidin the body.

It is also prescribed to preventgout attacks.

This article covers how allopurinol treats gout, its side effects, and possible drug interactions.

A pill bottle with allopurinol on a white label

Wladimir Bulgar / Science Photo Library / Getty Images

It is regularly prescribed to stop gout attacks and prevent joint damage.

Gout commonly occurs because of high uric acid levels in the blood.

Typically, the body rids itself of uric acid through urine.

For uric acid levels to remain normal, you must keep taking allopurinol.

Take allopurinol exactly as prescribed.

Do not miss doses or take more or less than prescribed.

Allopurinol Side Effects

Side effects are unwanted results from taking a medication.

Most drug side effects are mild, but a few can be serious.

These categories are:

Some medications can interact with allopurinol and increase the potential for side effects.

However, consider your alcohol intake because alcohol is a gout attack trigger.

Some people shouldn’t take allopurinol.

Summary

Allopurinol is a drug that reduces uric acid production in the body.

Your healthcare provider might prescribe allopurinol to prevent future gout attacks and joint damage.

It is given as an oral pill and taken once or twice a day.

The research on allopurinol shows it to be well-tolerated, and adverse and severe reactions are rare.

Never make changes to your treatment plan without first talking to your healthcare provider.

A Word From Verywell

Gout is a treatable and manageable condition.

Medications like allopurinol can improve your outlook and quality of life.

Your healthcare provider can prescribe an anti-inflammatory treatment like colchicine to prevent these attacks.

Do not stop taking allopurinol without talking to your healthcare provider.

Common side effects of allopurinol include rash, headache, upset stomach, dizziness, and drowsiness.

Weight loss is more common with allopurinol than weight gain.

You should reach out to a healthcare provider if you experience any unexplained weight loss or weight gain.

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