User:Mr. Ibrahem/Foscarnet

Foscarnet, sold under the brand name Foscavir, is an antiviral used to treat cytomegalovirus (CMV), herpes simplex virus (HSV), and varicella zoster virus (VZV). Primarily this is those who are immunocompromised such as due to HIV/AIDS. It is given by injection into a vein.

Common side effects include fever, nausea, low red blood cells, kidney problems, seizures, and headache. Other side effects may include electrolyte abnormalities, prolonged QT, and anaphylaxis. Safety in pregnancy is unclear. It acts similar to pyrophosphate as a viral DNA polymerase inhibitor.

Foscarnet was approved for medical use in the United States in 1991. In the United Kingdom 6 grams costs the NHS about £120 as of 2021. This amount in the United States cost about 4,800 USD.