Della is having trouble falling asleep and remembers that antihistamines make her drowsy. What antihistamine is approved as a nighttime sleep aid?
fexofenadine
diphenhydramine
oxymetazoline
desloratadine
Answer: diphenhydramine
Della is having trouble falling asleep and remembers that antihistamines make her drowsy. What antihistamine is approved as a nighttime sleep aid?
fexofenadine
diphenhydramine
oxymetazoline
desloratadine
Answer: diphenhydramine