The side effects of statin drugs are usually related to the dosage of the drug and may include headache, nausea, vomiting, itchy skin, etc. The danger is that they may cause myopathy, adverse liver reactions, gastrointestinal discomfort, etc. Statin drugs have lipid-lowering effects, such as simvastatin, resuvastatin, atorvastatin, etc. They are generally well tolerated and have fewer adverse effects, but if they are not properly administered, they may produce some mild gastrointestinal disturbances, such as headache, nausea, vomiting, itching of the skin, diarrhea, etc., which may also lead to the development of adverse effects such as jaundice and hepatitis. Statin drugs should be taken in accordance with medical advice, not blindly used to avoid adverse reactions, if the physical discomfort, should be timely medical treatment.