Indications
ZIRGAN is indicated for the treatment of acute herpetic keratitis (dendritic ulcers) in adults and pediatric patients aged 2 years and older. ZIRGAN is a nucleoside analog antiviral indicated for the treatment of acute herpetic keratitis (dendritic ulcers) in adults and pediatric patients aged 2 years and older. ( 1 )
Contraindications
None. None.
Warnings and precautions
ZIRGAN is indicated for topical ophthalmic use only. ( 5.1 ) Patients should not wear contact lenses if they have signs or symptoms of herpetic keratitis or during the course of therapy with ZIRGAN. ( 5.2 )
5.1Topical Ophthalmic Use Only
ZIRGAN is indicated for topical ophthalmic use only.
5.2Avoidance of Contact Lenses
Patients should not wear contact lenses if they have signs or symptoms of herpetic keratitis or during the course of therapy with ZIRGAN.
5.3Risk of Contamination Do
not allow the tip of the container to touch any surface, as this may contaminate the ointment. If pain develops, or if redness, itching, or inflammation becomes aggravated, the patient should be advised to consult a physician.
Pregnancy and breastfeeding
8.1Pregnancy Risk Summary
There are no available human data on use of ZIRGAN or ganciclovir during pregnancy to inform any drug-associated risk. Intravenous administration of ganciclovir to pregnant mice or rabbits during organogenesis or during the pre/postnatal period did not produce adverse embryofetal or offspring effects at clinically relevant doses ( see Data ). The background risk in the U.S. general population of major birth defects is 2 to 4% and the risk of miscarriage is 15 to 20% of clinically recognized pregnancies.



