Side effects of ezetimibe mainly include abdominal pain, diarrhea, gastrointestinal flatulence, elevated aminotransferases, myalgia, headache and dizziness, the occurrence of which varies from person to person. 1. Digestive system: abdominal pain, diarrhea, gastrointestinal flatulence, loss of appetite, pancreatitis, constipation and so on. 2. Liver system: hepatitis, gallstones, cholecystitis, elevated aminotransferases, etc. 3. Blood and lymphatic system: thrombocytopenia, etc. 4. Immune system: hypersensitivity reactions, including allergic reactions, rash, urticaria, angioneurotic edema, etc. 5. Muscular: myalgia, myasthenia gravis, myopathy/rhabdomyolysis, etc. 6. Nervous system: headache, dizziness, sensory abnormalities, etc. 7. Skin and subcutaneous system: erythema multiforme, etc. 8. Mental: depression, etc. 9. Systemic: fatigue, weakness, etc. Ezetimibe is a lipid-lowering drug suitable for the adjunctive treatment of primary hypercholesterolemia, pure familial hypercholesterolemia, and phytosterolemia (or pure glutathionemia). Contraindications to the use of the drug include hypersensitivity to any of the components of the product, unexplained persistent elevation of serum transaminases, active liver disease, pregnancy and lactation. Side effects may occur after the administration of the drug, the occurrence of which varies from person to person. Specific use of the drug should be in accordance with medical advice.