Non retroviral drug hand written notes pdf

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Non-retroviral drugs are medications used to treat viral infections caused by viruses other than retroviruses. Retroviruses are a specific type of virus that have RNA as their genetic material and use a unique mechanism called reverse transcription to replicate themselves. Non-retroviral drugs, on the other hand, target different steps of the viral life cycle, including viral entry, replication, assembly, and release.
Examples of non-retroviral drugs include:
1. Acyclovir: Used to treat herpes simplex virus infections, including genital herpes, cold sores, and shingles. It works by inhibiting the herpes virus’s ability to replicate.
2. Ribavirin: Used to treat respiratory syncytial virus (RSV) and hepatitis C virus (HCV) infections. It works by preventing the virus from replicating and spreading in the body.
3. Oseltamivir: Used to treat and prevent influenza A and B viruses. It works by blocking the action of the neuraminidase enzyme, which is necessary for the virus to spread between cells.
4. Sofosbuvir: Used to treat HCV infections. It works by interfering with the virus’s ability to replicate its genetic material.
5. Remdesivir: Used to treat COVID-19. It works by inhibiting the virus’s ability to replicate its RNA.
Non-retroviral drugs can have different mechanisms of action and target different steps of the viral life cycle. They are often used in combination with other drugs to increase their effectiveness and reduce the likelihood of drug resistance