<unk>  is an antiviral medication that is FDA approved for the treatment of CMV retinitis, mucocutaneous acyclovir resistant HSV infections. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include fever, nausea, diarrhea, anemia, abdominal pain,hypokalemia,  coughing, dyspnea,confusion, anxiety.
Foscarnet sodium
Tenofovir
Lamivudine
Fomivirsen
Saquinavir mesylate
Telbivudine
Valganciclovir hydrochloride
Letermovir