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What are the side effects of leflunomide?

Donna Hill Howes, RN
Family Practitioner

Side effects may include high blood pressure, dizziness, hair loss, respiratory tract infections, bronchitis, skin rash, itching, back pain, abdominal pain, indigestion, and diarrhea. Some people have had life-threatening allergic reactions to leflunomide. Some people have severe reactions, including liver injury, skin and nerve problems, interstitial lung disease, and infections. People taking leflunomide should avoid receiving live vaccines. 

This answer was adapted from Sharecare's award-winning AskMD app. Start a consultation now to find out what's causing your symptoms, learn how to manage a condition, or find a doctor. 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.