It is very important that your doctor check you or your child closely while you are receiving this medicine. This is to make sure that the medicine is working properly. Blood and urine tests may be needed to check for unwanted effects.
If you or your child develop a skin rash, hives, swelling of the lips or mouth, or any allergic reaction to this medicine, tell your doctor or nurse right away.
Check with your doctor right away if you or your child have pain or tenderness in the upper stomach; pale stools; dark urine; loss of appetite; nausea; unusual tiredness or weakness; or yellow eyes or skin. These could be symptoms of a serious liver problem.
This medicine may cause some people to become drowsy or less alert than they are normally. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are not alert.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.