the most common side effects of
simvastatin are headache, abdominal pain/cramps, constipation, URTI, flatulence, diarrhea, asthenia, nausea and vomiting, dyspepsia, myalgia, rash/pruritus(itching). make sure you do not take with grapefruit juice, report any signs and symptoms of infections, unexplained muscle pain, tenderness/weekness. i hope this helps!!! this all i know about the med.