 [ Symptoms ] i have ulcerative colitis i throw up everything i eat and have not had a bowel movement in 2 weeks what is wrong  i went to the er and they hydrated me gave me a laxative and sent me home the laxative worked minimally but was extremely painful the next day i was unable to eat again and have not had a bowel movement since i went to my doctor to have an endoscopy but they could not find anything wrong i have a colonoscopy scheduled for dec 9th but am afraid i will end up in the hospital before then due to not being able to eat or poop help me [ Disease ] this is not common with advil pm now there are other products in the market though so once again we have to encourage consumers and patients to read the bottle and know what the active ingredients are advil pm contains ibuprofen and diphenhydramine which is really benadryl so if you are taking benadryl for your allergies and now you are taking advil pm on top of it all that could be a problem because you may end up with a lot of drowsiness and actually you might feel that hangover in the morning like oh my head feels like it is floating it is because you have taken too much benadryl