Which drug is classified as a nonsedating antihistamine (h1 blocker)?

Aloratadine (claritin)
Branitidine (zantac)
Cdiphenhydramine (benadryl)
Ddiazepam (valium)

Verified Answer :

A is the correct answer.
B is for acid reducing
C is an antihistamine but is also sedating
D is a sedative