This medication is an antiretroviral drug, prescribed for HIV/AIDS. It inhibits HIV protease and blocks the formation of new virus cells. 

It should not be co-administered with antimycobacterials, antineoplastics, benzodiazepines, ergot derivatives, GI Motility Agent, HMG-CoA Reductase Inhibitors, neuroleptic, PDE5 inhibitor and contraindicated in patients with known hypersensitivity.

Initial – Adult- the recommended dose is 300 mg with ritonavir 100 mg once daily as single dose.
The recommended dose is 400 mg (without ritonavir) once daily.

It comes as a capsule to take by mouth, with food.

• Caution should be exercised in patients with history of kidney problems or who are on dialysis, blood disorder, diabetes, heart problems or liver problems, any allergy, who are taking other medications, elderly, children, during pregnancy and breastfeeding.

• It may cause dizziness or lightheadedness, do not drive a car or operate machinery while taking this medication.

• Avoid sexual contact during the treatment period.

• It may raise blood sugar level; monitor blood sugar regularly while taking this medication.

• ♦ Patient may develop kidney stones and/or gallstones ; if it is so consult with your healthcare provider immediately.

•  Body as a Whole : Headache.
•  Gastrointestinal : Nausea, jaundice, vomiting, abdominal pain and diarrhea.
•  Central Nervous System : Sleeplessness, dizziness and nerve damage.
♦ •  Skin : Rash and DRESS syndrome.

Monitor liver and heart functions, bilirubin levels and cholesterol levels regularly while taking this medication.

Store it at room temperature (25° C), and in an airtight container. Keep away from children.