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List of Antiviral Drugs Antiviral Use Manufacturer Component Type Year approved Abacavir: HIV: ViiV Healthcare: Nucleoside analogue reverse transcriptase inhibitor (NRTI) 1998 Acyclovir (Aciclovir) Herpes Simplex, chickenpox, [2] varicella zoster virus: GSK: guanosine analogue RTI 1981 Adefovir: Hepatitis B [3] Gilead Sciences RTI 2002 , 2003 ...
The DAA drugs against hepatitis C are taken orally, as tablets, for 8 to 12 weeks. [56] The treatment depends on the type or types of hepatitis C virus that are causing the infection. [57] Both during and at the end of treatment, blood tests are used to monitor the effectiveness of the treatment and subsequent cure. [56]
Some of the most well known are antiviral drugs widely used to treat HIV/AIDS, hepatitis C and COVID-19. These protease inhibitors prevent viral replication by selectively binding to viral proteases (e.g. HIV-1 protease ) and blocking proteolytic cleavage of protein precursors that are necessary for the production of infectious viral particles .
No specific treatment for hepatitis A is known. Recovery from symptoms following infection may take several weeks or months. Therapy is aimed at maintaining comfort and adequate nutritional balance, including replacement of fluids lost from vomiting and diarrhea.
Initiation of post-exposure prophylaxis with the use of antiretroviral drugs is dependent on a number of risk factors, though treatment is usually started after one high-risk event. In order to determine whether post-exposure prophylaxis is indicated, an evaluation visit will be conducted to consider risk factors associated with developing HIV .
The HCV genome. NS5A in the bottom row, second from the right. Nonstructural protein 5A (NS5A) inhibitors are direct acting antiviral agents (DAAs) that target viral proteins, and their development was a culmination of increased understanding of the viral life cycle combined with advances in drug discovery technology.
Sofosbuvir is also used with other medications and longer treatment durations, depending on specific circumstances, genotype and cost-effectiveness–based perspective. For example, for the treatment of genotypes 1, 4, 5, and 6 hepatitis C infections, sofosbuvir can be used in combination with the viral NS5A inhibitor ledipasvir. [16]
Ribavirin is the only known treatment for a variety of viral hemorrhagic fevers, including Lassa fever, Crimean-Congo hemorrhagic fever, Venezuelan hemorrhagic fever, and Hantavirus infection, although data regarding these infections are scarce and the drug might be effective only in early stages.