PRECAUTIONS: Before giving nitisinone, tell the doctor or pharmacist if your child is allergic to it; or if your child has any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.Before using this medication, tell the doctor or pharmacist your child's medical history, especially of: eye problems (such as cataracts, corneal ulcers).Patients taking this medication are at risk for developing high levels of tyrosine in the blood, possibly leading to eye, skin, and nervous system problems. (See Side effects section.) To decrease the risk of high tyrosine levels, patients should follow a diet low in tyrosine and phenylalanine. Avoid foods and beverages that contain aspartame or are high in tyrosine or phenylalanine. Foods high in tyrosine include soy products, turkey, fish, avocados, bananas, yogurt, and lima beans. Foods high in phenylalanine include milk, chicken, eggs, cheese, peanut butter. (See also Drug Interactions section.)During pregnancy, this medication should be used only when clearly needed. Consult your doctor before breast-feeding.It is not known whether this drug passes into breast milk. If you are taking this medication and wish to breast-feed, consult your doctor first.
DRUG INTERACTIONS: Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.Many foods, drugs, or supplements may contain aspartame, tyrosine, or phenylalanine, which must be limited in patients taking this drug. Check the labels on all products (especially artificially sweetened products) for aspartame, tyrosine and phenylalanine content. Consult your doctor, pharmacist, or dietician for more details.
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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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