pruritus
"I frequently will experience itchiness all over my body & will break out in hives and can't stop the itching despite use of topical Benadryl etc. My doctor prescribed Atarax a few years ago & while it stops the itching in its tracks, I also sleep for an insane amount of time. Generally it's about 18 solid hours of drowsiness to the point I can't even keep myself awake for longer than 20 minutes. I absolutely hate it. An entire day totally wasted. I'm prescribed 25 mg every 6 hours as needed although I have never had to take a second dose within 24 hours."