VAXIGRIP
A/VICTORIA/4897/2022 (H1N1) PDM09-LIKE VIRUS , A/CROATIA/10136RV/2023 (H3N2)-LIKE VIRUS , B/AUSTRIA/1359417/2021 (B/VICTORIA LINEAGE)-LIKE VIRUS
What it does
Viruses are microscopic organisms that can cause infections in humans, animals, and plants.
Commonly used for: viral infections, common cold, influenza (flu), HIV/AIDS …
Read more in plain English ↓Plain-language summary for general understanding - not medical advice. Always follow your pharmacist/doctor.
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Medicine sourcing is available in Kenya only. We don't sell or dispense medicines - licensed pharmacies do.
Sourcing - Kenya onlyRegistration & product details
Source: South African Health Products Regulatory Authority · fetched 2026-08-27 10:17:28 · updated 2026-10-21 04:02:28
About this medicine
Viruses are microscopic organisms that can cause infections in humans, animals, and plants.
What it treats
- viral infections
- common cold
- influenza (flu)
- HIV/AIDS
- hepatitis
How it works
Viruses invade living cells and use them to reproduce, which can lead to illness.
Who it's for
Viruses can affect anyone, but some groups, like those with weakened immune systems, are more at risk.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
Clinical monograph: virus
Viruses are submicroscopic infectious agents that replicate only inside the living cells of an organism. They are composed of genetic material (either DNA or RNA) surrounded by a protein coat and, in some cases, an outer lipid envelope. Viruses can infect all types of life forms, from animals and plants to microorganisms, including bacteria (bacteriophages). They are responsible for a wide range of diseases, from the common cold to serious conditions such as HIV/AIDS, influenza, and COVID-19.
Indications
- Influenza
- HIV/AIDS
- Hepatitis B and C
- Herpes simplex virus infections
- Cytomegalovirus infections
- COVID-19
- Respiratory syncytial virus infections
Dosage
Children: Refer to specific antiviral agents for dosing guidance.
Adults: Refer to specific antiviral agents for dosing guidance.
Mechanism of action
Viruses infect host cells by attaching to specific receptors on the cell surface. Once inside, they hijack the host cell's machinery to replicate their genetic material and produce viral proteins. New viral particles are assembled and released from the host cell, often destroying the cell in the process. The specific mechanism can vary depending on the virus type, including integration into the host genome in retroviruses or utilizing specific pathways for replication.
Pharmacodynamics
The pharmacodynamics of antiviral agents depend on the specific virus and the mechanism of action. Antiviral drugs may inhibit viral entry into host cells, block viral replication, or prevent the assembly of new virions. The effectiveness of antiviral therapy often relates to the stage of viral replication and the immune response of the host.
Pharmacokinetics
Pharmacokinetics of antiviral drugs varies widely based on the specific medication used. Generally, antiviral agents are absorbed through the gastrointestinal tract and distributed throughout the body. They may undergo hepatic metabolism and are often excreted through the kidneys. The half-life of these drugs can range from a few hours to several days, influencing dosing schedules.
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
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