Approved for treatment of CMV disease and acyclovir-resistant herpes simplex infections. Also inhibits other herpes viruses and HIV.

an antiviral drug used to treat cytomegalovirus (CMV) disease and acyclovir-resistant herpes simplex virus and varicella-zoster virus infection. Adverse side effects include nausea, kidney toxicity and skin ulcers.

Foscarnet (marketed by Astra Zeneca as foscarnet sodium under the trade name Foscavir®) is an antiviral medication used to treat herpes viruses, including cytomegalovirus (CMV) and herpes simplex viruses types 1 and 2 (HSV-1 and HSV-2). It is particularly used to treat CMV retinitis.