Revised SPC: Exocin (ofloxacin) 3 mg/ml Eye Drops

SPC warns that the preservative, benzalkonium chloride, may cause symptoms of dry eyes, and may affect the tear film and corneal surface. Caution is required in dry eyes and where the cornea may be compromised. Patients should be monitored in case of prolonged use.

Source:

electronic Medicines compendium