medicament, medication, medicinal drug, medicine - (medicine) something that treats or prevents or alleviates the symptoms of disease

NNRTI, non-nucleoside reverse transcriptase inhibitor - an antiviral drug used against HIV; binds directly to reverse transcriptase and prevents RNA conversion to DNA; often used in combination with other drugs

NRTI, nucleoside reverse transcriptase inhibitor - an antiviral drug used against HIV; is incorporated into the DNA of the virus and stops the building process; results in incomplete DNA that cannot create a new virus; often used in combination with other drugs

protease inhibitor, PI - an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs