Human: What are the most common side effects associated with a statin? Assistant: 
Common side effects of a statin may include nausea, headache, muscle pain, and weakness. Other possible side effects may include constipation, stomach upset, rash, and itching. More serious side effects such as liver damage, diabetes, and an increased risk for heart attack or stroke may occur rarely. It is important to consult your doctor if you experience any unusual symptoms while taking a statin.