This drug may infrequently cause muscle pain, tenderness, or weakness (which can rarely lead to a very serious condition called rhabdomyolysis). Seek immediate medical attention if you develop these muscle problems (especially with fever or unusual tiredness).
Tell your doctor immediately if any of these highly unlikely but very serious side effects occur: yellowing eyes and skin, dark urine, stomach/abdominal pain, severe nausea, vomiting, fatigue, change in the amount of urine.
A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching, swelling, dizziness, trouble breathing.