Amantadine is a dopamine agonist that treats Parkinson’s disease. It works by increasing the amount of dopamine, a chemical messenger in the brain which regulates body movements. It also has an antiviral property.

Trustiva Tablet is a combination of three antiviral medicines: Emtricitabine, Tenofovir disoproxil fumarate and Efavirenz. They work by preventing HIV (virus) from multiplying, thereby reducing the amount of virus in your body.

Ribnoid-200 is a brand name for a 200mg ribavirin capsule, used to treat chronic hepatitis C virus (HCV) infection. Ribavirin is an antiviral medication that works by preventing the virus from multiplying in the body. It's typically used in combination with other antiviral medications, like interferon, to treat hepatitis C.