This is Dr. David
taking ibuprofen every 4 hours will cause severe gastritis inflammation of your stomach which can cause pain and belching.
the way we heal the stomach is to decrease stomach acid with acid reducing medications like nexium or protonix to allow the inflammation of the stomach to calm down
ibuprofen should always be taken with food in the stomach and with plenty of water. it should never be taken with an empty stomach or else it will cause stomach pains.
excessive anxiety can cause chest pressure and shortness of breath symptoms.
abdominal obesity can increase your risks for hiatal hernia. are you obese? do you have excessive anxiety or panic type symptoms?
constipation is an issue of the colon and lower intestine and is not related to the upper abdomen where the stomach is.
constipation is fixed by more fiber, laxatives, stool softeners like colace, eating prunes, drinking more water which can help constipation.
your symptoms are not pointing to cancer.