Foscarnet also known as Phosphonoformic acid is used as an antiviral drug. It aids in the treatment of herpes viruses. It is more specifically indicated to treat CMV retinitis. CMV stands for ytomegalovirus. Foscavir is the trade name of this drug. It is marketed by Clinigen. Available as Foscavir 6g vials, it is administered through intravenous infusion. Foscarnet in India is recommended through legal channels of import. Being an emergency or critical care medication, the treating physicians often ask for an early procurement. Patients need to act swiftly and consider procurement through authorized suppliers.

Patients with AIDS are often the beneficiaries of this drug. Infection by CMV retinitis can ultimately cause blindness. Foscavir arrests the growth of virus and prevents such an adverse condition. This drug is also used in combination of other medications, ganciclovir is a classic example. It is also a type of antiviral medication. To treat herpes virus infections, this drug is used acyclovir resistant patients. This is an FDA approved medication which is commercially available in USA, UK and European counties.

It is important to know that the treatment with Foscarnet will help in controlling the spread of virus. This may not be effective in complete cure from CMV. It is also to be noted that this drug is not suitable for all patients. Patients with kidney function disorders are advised to avoid this drug. In many cases, it will be determined by performing kidney function tests for more clarity before recommending.