List of antiviral drugs
List of Antiviral Drugs
Antiviral drugs are a class of medication used specifically for treating viral infections. Unlike most antibiotics, which combat bacterial infections, antiviral drugs are designed to inhibit the development and spread of viruses. This article provides an overview of the various antiviral drugs available, their uses, and the viruses they target.
Types of Antiviral Drugs[edit | edit source]
Antiviral drugs can be broadly categorized based on the type of viral infections they treat. Some of the major categories include:
- Influenza Antivirals: These drugs are used to treat influenza viruses. Examples include Oseltamivir (Tamiflu), Zanamivir (Relenza), and Peramivir (Rapivab).
- Hepatitis Antivirals: These are used for treating hepatitis B and C infections. Common drugs include Lamivudine (Epivir), Sofosbuvir (Sovaldi), and Ribavirin.
- HIV Antivirals: Antiretroviral drugs are used in the management of HIV/AIDS. They include Zidovudine (Retrovir), Efavirenz (Sustiva), and Tenofovir (Viread).
- Herpes Antivirals: These drugs treat infections caused by herpes viruses, including genital herpes, cold sores, and shingles. Examples are Acyclovir (Zovirax), Valacyclovir (Valtrex), and Famciclovir (Famvir).
Mechanism of Action[edit | edit source]
The mechanism of action varies among different antiviral drugs. Generally, these drugs work by either blocking the replication of the virus or by inhibiting the virus from entering the host cells. For instance, Neuraminidase inhibitors such as Oseltamivir prevent the influenza virus from leaving the infected cell, thereby stopping the spread of the virus within the body.
Resistance[edit | edit source]
Viral resistance to antiviral drugs is a growing concern. It occurs when a virus mutates and becomes less susceptible to the effects of a drug. Strategies to combat resistance include the development of new drugs and the use of drug combinations.
Conclusion[edit | edit source]
Antiviral drugs play a crucial role in the management and treatment of viral infections. Ongoing research and development are essential to address the challenges of viral resistance and to improve the efficacy of these medications.
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