As 3% Eye oint: Apply 5 times/day until 3rd day of complete healing.

How to use Acyclovir (Ophthalmic): This medicine is for external use only. Take it in the dose and duration as advised by your doctor. Check the label for directions before use. Hold the tube close to the eye without touching it. Gently squeeze the tube and place the medicine inside the lower eyelid. Administration: Probenecid, cimetidine and mycophenolate mofetil may increase the plasma concentration of aciclovir. Increased nephrotoxic effects w/ drugs that affect renal physiology (e.g. ciclosporin, tacrolimus). Adult Dose: Renal impairment. Pregnancy, lactation. Neurological abnormalities with significant hypoxia, serious hepatic or electrolyte abnormalities. Maintain adequate hydration. Renal Dose: Activity against HSV types I and II and varicella-zoster virus is due to intracellular conversion of aciclovir to the monophosphate by viral thymidine kinase with subsequent conversion to the diphosphate and active triphosphate by cellular enzymes. This active form inhibits viral DNA synthesis and replication by interfering with viral DNA polymerase enzyme and being incorporated into viral DNA.

Hypersensitivity.

Common - Eye redness

Precaution: Herpes simplex keratitis

Eye application may produce stinging, superficial punctate keratopathy, blepharitis or conjunctivitis.