Overview
Gout flares may increase in the first months; a flare-prevention medicine is often added.
What it's used for
- Preventing gout attacks
How to take it
- Take it once a day, with or without food.
- Keep taking it during a flare.
Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.
Side effects
Common side effects
- Gout flares at first
- Nausea
- Joint pain
- Rash
Warnings
- Boxed warning: higher risk of heart-related death than allopurinol in people with heart disease.
Other medicines, foods, and alcohol
- Never take with azathioprine or mercaptopurine.
Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.
Pregnancy and breastfeeding
Talk with your provider.
Missed doses, overdose, and storage
If you miss a dose
Take it as soon as you remember, unless it's almost time for your next dose. Then skip the missed dose. Don't take two doses at once.
If someone takes too much
Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.
Storing it
Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.
Conditions it's used for
Sources
- DailyMed: FDA drug label for Febuxostat (U.S. National Library of Medicine)
- MedlinePlus: Drugs, herbs, and supplements
- FDA: Drugs@FDA
Last updated 2026-11-13.