This drug is not intended for the treatment of cytomegalovirus infection of the retina. The efficacy against keratoconjunctivitis caused by other types of virus was not established.
No special studies have been conducted in patients with immunodeficiency. For women of childbearing age, contraception is necessary.
Because of the genotoxicity found in animal experiments, it is recommended that men using ZIRGAN® use reliable contraceptive methods during treatment and within three months after its completion.
Benzalkonium chloride can cause eye irritation and discoloration of soft contact lenses. Do not allow drug contact with soft contact lenses. Remove contact lenses before using the drug and reinstall them no earlier than 15 minutes after instillation.