Drug information provided by: Merative, Micromedex®

It is very important that your doctor check you closely and at regular visits to make sure this medicine is working properly. Blood tests will be needed to check for unwanted effects.

This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Tell your doctor or nurse right away if you have a rash, itching skin, difficulty with swallowing, dizziness, a fast heartbeat, lightheadedness or fainting, restlessness, trouble breathing, swelling in your face, hands, tongue, or throat, or chest pain after you receive the medicine.

Check with your doctor right away if you have clay-colored stool, dark urine, decreased appetite, fever, itching, loss of appetite, nausea and vomiting, skin rash, stomach pain, swelling of the feet or lower legs, unusual tiredness or weakness, or yellow eyes or skin. These may be symptoms of a serious liver problem.