What side effects may I notice from receiving KUVAN?

Side effects that you should report to your care team as soon as possible:
-Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
-Hyperactivity—restlessness, fidgeting, excessive talking
-Inflammation of the esophagus or stomach—loss of appetite, throat pain, pain or trouble swallowing, heartburn, nausea, vomiting, dry cough, bloody or black, tar-like stools
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
-Cough
-Diarrhea
-Headache
-Runny or stuffy nose
-Sore throat
-Vomiting

This list may not describe all possible side effects for KUVAN. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.