A Patient Approaches the Pharmacy Counter with Red, Watery Eyes

A patient approaches the pharmacy counter with red, watery eyes asking for advice. He has been using Claritin Eye for the last 6 days to self-treat redness that began approximately 1 week ago. He followed the directions on the box, using 1 drop in each eye twice a day. What is the best response?

A) Increase the dose of Claritin Eye to 1 drop four times a day.
B) Recommend adding an artificial tears product to the current Claritin Eye regimen.
C) Recommend changing to a topical vasoconstrictor, such as Visine Advanced.
D) Refer him to a physician or ophthalmologist.