MedicalTerminology DB
General Medical Terms

Kaletra

Meaning of Kaletra: A combination of the drugs ritonavir and lopinavir.

Definition of Kaletra

A combination of the drugs ritonavir and lopinavir. It is used to treat infection with HIV (the virus that causes AIDS). It is also being studied in the treatment of some types of cancer. Kaletra blocks the ability of HIV to make copies of itself and may help other anticancer drugs work better or may block the growth of cancer cells. Ritonavir blocks the breakdown of lopinavir. Kaletra is a type of anti-HIV agent and a type of protease inhibitor. Also called lopinavir/ritonavir.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

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