Alltera Tablets IP is a fixed-dose combination antiretroviral medication containing Lopinavir (200 mg) and Ritonavir (50 mg). It is used in the treatment of HIV-1 infection as part of highly active antiretroviral therapy (HAART). Lopinavir is a protease inhibitor that prevents the virus from multiplying, while Ritonavir boosts its effectiveness by increasing its concentration in the blood. The tablets are taken orally, usually with food, as prescribed by a healthcare professional. Common side effects include nausea, diarrhea, abdominal pain, and increased cholesterol levels. Patients with liver disease should use it cautiously. Always consult a doctor before use.