What side effects may I notice from receiving Fuzeon?

Side effects that you should report to your doctor or health care professional as soon as possible:
-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-an injections site reaction that is severe, infected, or in any way worrisome to you
-breathing problems
-cough
-fever or chills

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-depressed mood
-constipation
-difficulty sleeping
-mild or moderate injection site reaction, like bumps, hardened skin, or itching
-muscle pain or weakness
-pain or numbness in the feet or legs

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