Cidnavir 75 mg contains cidofovir, an antiviral medication primarily used to treat serious viral infections caused by cytomegalovirus, particularly in people with weakened immune systems such as those living with HIV or undergoing organ transplantation. Cidofovir is a nucleotide analogue that has shown effectiveness against a range of DNA viruses and is administered by intravenous infusion under medical supervision.

Mechanism of Action
Cidofovir works by mimicking the building blocks of viral DNA. Once it enters infected cells, it is converted to an active form that inhibits viral DNA polymerase, an enzyme necessary for the virus to replicate its genetic material. This inhibition blocks further viral replication and helps reduce the viral load in the body. Because it acts directly within infected cells, cidofovir offers a targeted and sustained antiviral effect.

Uses
Cidnavir 75 mg is used for:

• Treatment of cytomegalovirus (CMV) retinitis in patients with advanced HIV infection

• Sometimes used off-label for adenovirus, herpes simplex virus, or other resistant DNA virus infections, especially in immunocompromised individuals

• Administered intravenously, usually with probenecid and intravenous hydration to reduce the risk of kidney toxicity

  Adverse Effects

  Common side effects include:

  • Nausea

  • Headache

  • Fever

  • Weakness or tiredness