What are the possible side effects of sapropterin (Kuvan)?
If sapropterin is not controlling your condition properly, you may have symptoms such as behavior changes, numbness or tingling, or problems with speech, vision, or balance. Call your doctor right away if you have any of these symptoms.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of the serious side effects below:
- seizure (convulsions);
- chest pain or heavy feeling, pain spreading to the arm or...
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