Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.This medication may rarely cause gallstones and liver problems. If you notice any of the following unlikely but serious side effects, tell your doctor right away: nausea/vomiting that doesn't stop, loss of appetite, stomach/abdominal pain, yellowing eyes/skin, dark urine.This drug may rarely cause muscle problems (which can rarely lead to a very serious condition called rhabdomyolysis). Tell your doctor right away if you develop any of these symptoms: muscle pain/tenderness/weakness (especially with fever or unusual tiredness), signs of kidney problems (such as change in the amount of urine).Rarely, this medication has caused severe lowering of HDL ("good" cholesterol) levels. This is the opposite of what should happen to your HDL levels (paradoxical reaction). Your HDL cholesterol levels should be checked regularly. Keep all of your laboratory appointments.Tell your doctor right away if you have any serious side effects, including: easy bleeding/bruising, unusual tiredness.Get medical help right away if you have any very serious side effects, including: chest pain, sudden pain/redness/swelling usually in the leg, signs of infection (such as sore throat that doesn't go away, fever, swollen lymph nodes, chills, cough).A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.