A nurse administers timolol [Timoptic] ophthalmic drops to a patient who has glaucoma. The patient reports stinging of the eyes shortly after the drops were administered. What will the nurse do?
a. Monitor the patient's heart rate, respiratory rate, and blood pressure.
b. Notify the provider that the patient shows signs of angle-closure glaucoma.
c. Reassure the patient that these are localized, reversible effects of the drug.
d. Request an order for an antihistamine to treat this allergic response to the drug.