A Patient Diagnosed with Allergic Conjunctivitis and Prescribed a Topical

A patient diagnosed with allergic conjunctivitis and prescribed a topical antihistamine-vasoconstrictor medication reports worsening symptoms. What is the provider's next step in managing this patient's symptoms?

A) Consider prescribing a topical mast cell stabilizer.
B) Determine the duration of treatment with this medication.
C) Prescribe a non-sedating oral antihistamine.
D) Refer the patient to an ophthalmologist for further care.