Medicine Name: Duovir Tablet. Composition: Lamivudine (150mg) + Zidovudine (300mg). Side Effects: Headache Fatigue Cough Insomnia difficulty in sleeping Rash Joint pain Hair loss Fever Gastrointestinal disturbance Muscle disorders General discomfort Hypersensitivity Nausea Diarrhea Vomiting Loss of appetite Decreased appetite Abdominal pain Abdominal cramp Indigestion.