Ganciclovir is an antiviral drug. It slows the growth and spread of the cytomegalovirus. Ganciclovir ophthalmic (for the eyes) is used to treat certain viral infections affecting the eyes. Ganciclovir implant (Vitrasert) is used to treat cytomegalovirus (CMV) infection of the eye. This infection usually occurs in patients who have suppressed immune systems such as patients with AIDS and organ transplant patients. Ganciclovir gel (Zirgan) is used to treat eye ulcers caused by the herpes simplex virus. Ganciclovir is not a cure for CMV or herpes. This medication will not treat symptoms of these infections in any other part of the body. Ganciclovir may also be used for purposes not listed in this medication guide.
Zirgan is a medication prescribed to treat herpes outbreaks in the eye. Ganciclovir, the active ingredient, works by slowing the growth and spread of the cytomegalovirus. While this cannot cure herpes, it can minimize the outbreak.
Zirgan is a medicine used in the treatment of eye ulcers caused by the cytomegalovirus. The active ingredient, ganciclovir, is an antiviral drug which is administered as a gel to the affected eye, or eyes.
Zirgan works by disrupting DNA synthesis, specifically by preventing the elongation of the DNA chain. Without DNA, the viral cells cannot produce essential proteins and cannot reproduce. While this does not actively kill all viral cells, it limits the reproduction of the virus.
Common side effects with Zirgan include blurred vision, eye irritation, and increased tear production. Some patients also experience eye pain, and severe burning or vision changes.