Which drug is classified as a nonsedating antihistamine (h1 blocker)?
a. loratadine (claritin)
b. ranitidine (zantac)
c. diphenhydramine (benadryl)
d. diazepam (valium)

Respuesta :

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