Medicine Name: Atazor-R 300mg/100mg Tablet. Composition: Atazanavir (300mg) + Ritonavir (100mg). Side Effects: Headache Nausea Vomiting Diarrhea Peripheral neuropathy tingling and numbness of feet and hand Jaundice Rash Scleral icterus Muscle pain Fever Depression Insomnia difficulty in sleeping Dizziness Elevated serum glutamic oxaloacetic transaminase Elevated serum glutamic pyruvic transaminase Increased bilirubin in the blood Increased lipase in the blood Elevated creatinine kinase Hypercholesterolemia high cholesterol Increased triglyceride level in blood Increased glucose level in blood Decreased white blood cell count neutrophils Low blood platelets.