A nurse is administering diphenhydramine (Benadryl) to a client experiencing a minor allergic reaction. Which information would the nurse include in the client's teaching plan regarding diphenhydramine (Benadry)? (Select All that Apply.)

This medication (Benadryl) targets h2 receptors to alleviate symptoms.

Take this medication on an empty stomach before breakfast. Drowsiness is a common side effect of diphenhydramine (Benadryl)

Avoid CNS depressants while taking diphenhydramine (Benadryl)

This medication is a 2nd generation antihistamine.

Paradoxical reactions can be seen with this medication.