1 doctor weighed in:
What's the difference between naphcon and naphcon-a drops?
1 doctor weighed in

Dr. Clement Cheng
Ophthalmology
In brief: A = antihistamine
Naphcon is a vaso-constrictor that constricts the blood vessels on the surface of the eye.
Naphcon-a also contains an anti-histamine for allergy symptoms such as itching.

In brief: A = antihistamine
Naphcon is a vaso-constrictor that constricts the blood vessels on the surface of the eye.
Naphcon-a also contains an anti-histamine for allergy symptoms such as itching.
Dr. Clement Cheng
Dr. Clement Cheng
Thank
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