Drug information provided by: Merative, Micromedex®

It is very important that your doctor check your or your child's progress at regular visits to make sure that this medicine is working properly. Blood tests will be needed to check for unwanted effects.

Do not use this medicine together with carbamazepine (Carbatrol®, Equetro®, Tegretol®), rifabutin (Mycobutin®), rifampin (Rifamate®, Rifater®), phenobarbital (Luminal®), phenytoin (Dilantin®), or St John’s wort.

This medicine may cause serious allergic reaction, including anaphylaxis, which can be life-threatening and requires immediate medical attention. Check with your doctor right away if you have chest tightness, cough, difficulty swallowing, dizziness, fast heartbeat, hives, itching, skin rash, puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue, trouble breathing, or unusual tiredness or weakness.

This medicine may cause dizziness. Do not drive or do anything else that could be dangerous unless you know how this medicine affects you.

Check with your doctor right away if blurred vision, difficulty with reading, or any other change in vision occurs during or after treatment. Your doctor may want your eyes be checked by an ophthalmologist (eye doctor).

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.