What side effects may I notice from receiving Lamivudine?

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
-breathing problems
-dizziness
-fast, irregular heartbeat
-muscle pain or weakness
-nausea, vomiting, unusual upset stomach or stomach pain
-signs and symptoms of liver injury like dark yellow or brown urine; general ill feeling or flu-like symptoms; light-colored stools; loss of appetite; right upper belly pain; unusually weak or tired; yellowing of the eyes or skin
-signs of infection - fever or chills, cough, sore throat, pain or trouble passing urine

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
-headache
-runny, stuffy nose
-tiredness
-weight gain around waist, back, or thinning of face, arms, legs

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