Do not take Simvastatin Tab 20 mg if you are hypersensitive to Simvastatin or lactose. Check with your doctor before taking the cholesterol-lowering drug, and speak to your doctor if you have unexplained muscle pain, severe respiratory failure, thyroid disease, hereditary muscle disorder, kidney disease, or you consume a considerable amount of alcohol. Do not take the drug if you are pregnant or are breastfeeding. Avoid having grapefruit juice if you are using Simvastatin tab 20 mg Excessive alcohol consumption may increase the risk of side effects. Please tell your using or have recently taken any other medicine including that obtained without a prescription.

Possible side effects of Simvastatin Tab 20 mg include muscle pain, inflammation of the muscles, fever, flushing, shortness of breath, a general feeling of discomfort, severe itchiness, body weakness, inflammation of the liver, constipation, vomiting, diarrhea, constipation, headache, dizziness, and abdominal pain. If any of these side effects get troublesome, please inform your doctor.

Always take Simvastatin Tab 20 mg exactly as recommended by your doctor.  You must check with your doctor to make sure you are using the appropriate dose of the cholesterol-lowering drug. You should stick to a cholesterol-lowering diet while receiving the medicine. You may take the tablet before or after consuming the drug. Your doctor may prescribe you the right dose depending on how high your blood cholesterol is. The usual dose of Simvastatin is 10 to 20 mg once daily in combination with a cholesterol-lowering diet. Once a daily dose of 20 mg is an ideal choice for those who do not have seriously high blood cholesterol level and do not have an increases risk of developing cardiovascular disorders. Your doctor may decrease your dose if you must take your cholesterol-lowering drug simultaneously with other high blood pressure drug or medicines to treat an irregular heartbeat. Let your doctor if you are suffering from hepatic insufficiency. Your doctor will determine the subsequent dosage to avoid worsening of liver function. Continue using the drug unless your doctor tells you to stop.