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Precautions
It is very important that your doctor check the progress of you or your child at regular visits to make sure this medicine is working properly. Blood and urine tests may be needed to check for unwanted effects.
Do not use this medicine if you or your child are also using astemizole (Hismanal®), cisapride (Propulsid®), colchicine (Colcrys®), pimozide (Orap®), terfenadine (Seldane®), certain ergot medicines (such as dihydroergotamine, ergotamine, D.H.E. 45®, Ergomar®, Ergostat®, or Migranal®), or certain medicines to lower cholesterol (such as lovastatin, simvastatin, Altocor®, Mevacor®, or Zocor®). Using these medicines together may increase risk for more serious side effects.
If your or your child's symptoms do not improve within a few days, or if they become worse, check with your doctor.
Make sure your doctor knows if you are pregnant or planning to become pregnant. If you become pregnant while using this medicine, tell your doctor right away.
Stop using this medicine and 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 diarrhea, and in some cases it can be severe. It may occur 2 months or more after you or your child stop taking this medicine. Do not take any medicine to treat diarrhea without first checking with your doctor. If you have any questions or if mild diarrhea continues or gets worse, check with your doctor.
This medicine may cause serious allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Stop using this medicine and call your doctor right away if you have a rash; itching; hoarseness; trouble breathing; trouble swallowing; or any swelling of your hands, face, mouth, or throat while you or your child are using this medicine.
Serious skin reactions can occur with this medicine. Stop using this medicine and check with your doctor right away if you have blistering, peeling, or loosening of the skin; red skin lesions; severe acne or skin rash; sores or ulcers on the skin; or fever or chills while you or your child are using this medicine.
Make sure any doctor or dentist who treats you knows that you or your child are using this medicine. This medicine may affect the results of certain medical tests.
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.
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