Febustat 40 Tablet may cause common side effects such as abnormal liver test results, diarrhea, headache, rash, nausea, and even an increase in gout symptoms and localized swelling due to retention of fluids in tissues (edema). Whereas, the serious side effects of Febustat 40 Tablet include heart problems, gout flares, liver problems, and severe skin and allergic reactions. Immediately inform your doctor if you experience any serious side effects. Gout happens when there is too much uric acid in your body and it forms into crystals that can appear around your joints leading to painful and swollen joints. This medicine helps to keep uric acid levels low. Febuxotab 40 Tablet can be taken with or without food. Febuxostat is a prescription medication used to treat Chronic Gout. Learn about side effects, dosages, drug interactions, and more. Find patient medical information for Febuxostat (Uloric) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings