Ganciclovir Eye Drops side effects include eye discomfort and gastrointestinal symptoms and blood changes as follows. Ganciclovir eye drops can cause burning sensation in the eyes, eye pain, mild congestion or edema of the eyelids, nausea and anorexia and other side effects, side effects can reduce the number of times the drug is used, if tolerated can continue to treat, if the side effects are serious, the drug should be washed clean, and consult a medical professional. Long-term application of ganciclovir eye drops can cause a decrease in granulocytes or neutrophils and platelets, generally can be recovered after discontinuing the drug, or at the same time the use of drugs to promote the growth of granulocytes to antagonize, so you can not be overdosed for a long period of time, the course of treatment should be less than four weeks. Ganciclovir belongs to the broad-spectrum anti-herpes virus drugs, by affecting the synthesis of herpes virus DNA to play an antiviral effect, used for herpes virus infection caused by keratitis. Note that it is contraindicated for those who are allergic to the product, and should be used with caution in pregnant and lactating women; it is not recommended for use in children. Patients should use the drug under the guidance of a medical professional.