 [ Symptoms ] is it ok to take over the counter sleep aids such as tylenol pm motrin pm and advil pm for migraines  do some of these medications contain acetaminophen can these medications cause long term side effects [ Disease ] hi the back and leg pain that you have is a different issue from the abdominal pain leg pains can be caused by pinched nerves in the back due to spondylitis or disc prolapse an mri will give a better idea for the abdominal pain appendicitis renal stones etc are some of the causes usg abdomen should be helpful