A Client Is Prescribed the Antihistamine Fexofenadine for Severe Seasonal

A client is prescribed the antihistamine fexofenadine for severe seasonal allergies. Which teaching points are appropriate for this client? Select all that apply.

A) Warn the client not to drive or work around machinery.
B) Urge the client to avoid using alcohol and other sedatives.
C) Encourage the client to drink only water when taking the medication.
D) Discontinue the antihistamine for 2 weeks before allergy testing.
E) Use sunscreen to avoid photosensitivity reactions.
F) Warn older adults that a larger dose may be required owing to the effects of aging.