Do not touch the dropper to any surface, including your eyes or hands. The dropper is sterile. If it becomes contaminated, it could cause an infection in your eye. Sulfacetamide is an antibiotic. It is used to treat bacterial infections.
Phenylephrine is a vasoconstrictor.
It makes the blood vessels in your eyes smaller to reduce redness and congestion, and to keep the sulfacetamide in your eye for a longer period of time. Sulfacetamide and phenylephrine ophthalmic is used to treat bacterial infections of the eyes. Sulfacetamide and phenylephrine ophthalmic may also be used for purposes other than those listed in this medication guide. Do not use sulfacetamide and phenylephrine ophthalmic if you have a viral or fungal infection in your eye. It is used to treat infections caused by bacteria only.