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Antiviral Drugs

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Antiviral medicines are prescription drugs used to treat viral infections. In contrast to antibiotics, which work well against bacteria, antivirals target viruses alone. These medications function by preventing the virus from multiplying and proliferating throughout the body. From minor ailments like the common cold to more serious conditions like HIV and hepatitis, they are used to treat a wide range of viral infections. Oseltamivir (Tamiflu) is one of the most well-known types of antiviral medications used to treat influenza. These drugs function by preventing the neuraminidase viral enzyme, which is required for the influenza virus to propagate across cells. The medication can lessen the intensity and duration of flu symptoms by blocking this enzyme. Herpes viruses, such as the varicella-zoster virus (VZV) and the herpes simplex virus (HSV), are treated with another significant class of antiviral medications. Medication such as valacyclovir and acyclovir acts by preventing the virus from replicating its DNA. They are frequently used to treat shingles, cold sores, and genital herpes. Antiretroviral medications are essential for controlling HIV infection and enhancing the quality of life for individuals afflicted with HIV/AIDS. These medications target many stages of the HIV life cycle, including entrance into human cells, the development of new viruses, the integration of viral DNA into the host genome, and the reverse transcription of viral RNA into DNA. These medications are used to form Highly Active Antiretroviral Therapy (HAART), which frequently consists of protease inhibitors, non-nucleoside reverse transcriptase inhibitors, and nucleoside reverse transcriptase inhibitors. Antiviral medications are also essential for treating the dangerous liver infections known as hepatitis B and C. Chronic hepatitis C infections are treated with drugs such as ribavirin and interferon. They function by strengthening the immune system's defenses against the virus and obstructing its capacity to spread. Medication for hepatitis B includes entecavir and tenofovir, which inhibit the virus's ability to replicate and lessen liver damage. It's crucial to remember that although antiviral medications help treat viral infections, they are not necessarily a cure. HIV and many other viral infections, including herpes viruses, are lifelong infections of the body. Antivirals can lessen the frequency of outbreaks, assist control symptoms, and stop the spread of infection to others. It is essential to utilize these drugs as directed by medical professionals in order to maximize their efficiency and stop the emergence of drug-resistant infections.