Medicine Name: Avonza Tablet. Composition: Lamivudine (300mg) + Tenofovir disoproxil fumarate (300mg) + Efavirenz (400mg). Side Effects: Headache Dizziness Nausea Insomnia difficulty in sleeping Weakness Depression Diarrhea Rash Pain Fever Decreased white blood cell count neutrophils Peripheral neuropathy tingling and numbness of feet and hand Back pain Abdominal pain Anxiety Vomiting Joint pain Pneumonia Dyspepsia Muscle pain Lipodystrophy skin thickening or pits at the injection site Hypercholesterolemia high cholesterol Increased triglyceride level in blood Elevated creatinine kinase Elevated levels of serum amylase Blood in urine Increased transaminase level in blood Cough Impaired concentration Abnormal dreams.