The generic name of Lipitor is atorvastatin and it causes skeletal muscle pain, muscle fatigue, neck pain, and joint swelling. The drug is mainly used for the treatment of hypercholesterolemia, coronary heart disease, etc. Adverse reactions that may occur when taking the drug are: myalgia, diarrhea, nausea, elevated ALT and elevated liver enzymes. When muscle pain occurs after taking the drug, go to the regular hospital immediately to do the relevant examination, and check the level of CPK in time, and discontinue the drug in time when the muscle damage is too severe or when rhabdomyolysis occurs. When CPK is significantly elevated or when extensive muscle pain or muscle weakness occurs, it should be considered whether there is myopathy or not, especially when there is discomfort and fever, it should be stopped and treated immediately. You should promptly go to the regular hospital for examination and adjust the dosage of the drug under the guidance of the doctor. Patients should pay attention to rest, maintain a good diet, eat more fruits and vegetables, drink more water, do not drink alcohol.