Atorvastatin Calcium Tablets, can be taken at any time of the day, the instructions recommend a starting dose of 10 mg once a day, dose adjustments should be made at intervals of 4 weeks or more, but the maximum daily dosage should not exceed 80 mg. Atorvastatin Calcium Tablets for the treatment of hypercholesterolemia and coronary heart disease. For patients with primary hypercholesterolemia and heterozygous hyperlipidemia, the dosage is 10 mg once a day. For patients with heterozygous familial hypercholesterolemia, the initial dosage is 10 mg daily, and individualized dose adjustments need to be followed, with dosage adjustments at 4-week intervals until 40 mg daily. If results are unsatisfactory, the maximum dose may be up to 80 mg daily or 40 mg daily, which may be combined with bile acid chelator therapy. For patients with familial hypercholesterolemia of the pure subtype, the recommended initial dose is 10 mg daily, with a maximum of 80 mg daily. Atorvastatin Calcium Tablets are contraindicated in patients who are allergic to the product, pregnant women, nursing mothers, and patients with elevated serum aminotransferases in the body, etc. Serious adverse reactions such as rhabdomyolysis and myopathy, liver enzyme abnormalities, etc., may occur in a very small number of patients after taking the product. Some patients may also experience adverse reactions such as fever, abdominal discomfort, cholestasis, joint swelling, urticaria and tinnitus. Patients are advised to monitor liver function tests regularly while taking Atorvastatin Calcium Tablets. Drugs need to be used under the guidance of a professional physician, and should not be used arbitrarily on their own.