Which medication would the nurse prepare to administer to a client with a right long leg cast who is complaining of severe itching under the cast? 1. The topical anti-itch medication Caladryl. 2. The...

Which medication would the nurse prepare to administer to a client with a right long leg cast who is complaining of severe itching under the cast?

1. The topical anti-itch medication Caladryl.

2. The antiallergy medication pseudoephedrine (Sudafed).

3. The intravenous antihistamine diphenhydramine (Benadryl).

4. The oral antihistamine hydroxyzine (Vistaril).