When evaluating a client's knowledge about use of antihistamines, what statement indicates further education is required?

When evaluating a client's knowledge about use of antihistamines, the following statement would indicates further education is required;

If I am pregnant, I should take half the dose.?

Explanation:

Antihistamines are contraindicated during the third stage of pregnancy treat allergic rhinitis and other allergies, in newborns, nursing mothers and, in children and elderly people, and in patients whose conditions may be aggravated by a muscarinic blockade, for instance, asthma, open-angle glaucoma, hypertension, prostatic hyperplasia, urinary retention.