allergies
"I tried this medication as I needed a good allergy med and it knocked me out for 15 hours - like a drugged knock out. I couldn't get off the bed to go to the bathroom even. It was horrible. I didn't move for 15 hours then when it finally started to wear off, I hurt all over. Finally, after 36 hours I'm starting to feel normal again. Never again! This stuff is nasty!"