What are the side effects of febuxostat?

Febuxostat, as an anti-gout medication, is mainly used to treat hyperuricemia and gout. It also has some side effects, primarily including: 1. Abnormal liver function: May manifest as elevated transaminases, jaundice, hepatitis, hepatomegaly, and in severe cases, even liver failure. 2. Allergic reactions: Including symptoms such as rash and itching; severe allergic reactions may occur, such as anaphylactic shock and Stevens-Johnson syndrome, which can be life-threatening. 3. Gastrointestinal reactions: Common diarrhea and nausea; abdominal pain, constipation, dyspepsia, dry mouth, and other symptoms may also occur. 4. Cardiovascular system reactions: Some patients may experience palpitations, chest tightness, facial flushing, and other symptoms during treatment. It is recommended to use this medication under a doctor's guidance.