What may interact with this medicine?

• emtricitabine
• other lamivudine medicines
• ribavirin
• sulfamethoxazole; trimethoprim, SMX- TMP
• trimethoprim
• zalcitabine, ddC

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non- prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

What side effects may I notice from receiving this medicine?

• allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
• breathing difficulties
• depressed mood
• muscle pain or weakness
• nausea, vomiting, unusual stomach upset or pain
• pain, tingling, numbness in the hands or feet
• unusually weak or tired
• yellowing of the skin or eyes

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

• cough
• diarrhea
• difficulty sleeping
• dizziness
• hair loss
• headache
• loss of appetite
• runny, stuffy nose
• weight gain around waist, back, or thinning of face, arms, legs

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