ANTIVIRAL DRUG - Pharmacy Freak

Mechanism of Action of Amantadine

April 10, 2026July 3, 2025 Pharmacy Freak Editorial Team Harsh Singh Rajput

Introduction Amantadine is an antiviral agent and antiparkinsonian medication. Initially used for influenza A, it also treats drug-induced extrapyramidal symptoms and Parkinson’s disease. Its mechanism combines viral M2 ion channel inhibition and enhancement of dopaminergic neurotransmission in the central nervous system. Step-by-Step Mechanism of Action Pharmacokinetic Parameters Parameter Value Route Oral (capsule, syrup) Bioavailability ~86% … Read more

Classification of Antiviral Drugs (Non-Retroviral)

May 23, 2025May 21, 2025 Pharmacy Freak Editorial Team G S Sachin

ANTIVIRAL DRUG (NON-RETROVIRAL) CLASSIFICATION

Viral infections range from self-limiting to life-threatening illnesses. While vaccines prevent many viral diseases, antiviral drugs play a crucial role in managing active infections. Antiviral drugs for non-retroviral viruses work by inhibiting various stages of the viral life cycle, such as attachment, replication, or release. These drugs are specific to the virus and generally have … Read more