References. 1  Post-nasal drip. 2  Peters AT, et al. 3  Stuffy nose. 4  Nasal congestion and rhinorrhea. 5  Peden D. An overview of rhinitis. 6  Marx JA, et al., eds.
Common causes of lower abdominal pain include appendicitis, irritable bowel syndrome, ovarian cyst, diverticulitis, constipation, cystitis, period pain, endometriosis, pelvic inflammatory disease, bowel obstruction, ectopic pregnancy, miscarriage and inflammatory bowel diseases.
Signs & Symptoms of Pancreatitis. Pancreatitis often causes persistent abdominal pain. Pain in the abdomen usually occurs in the upper abdomen, can spread (radiate) to the back, and may come and go. Abdominal pain can vary from mild to severe, and often is worse after eating, drinking, consuming alcohol, and while lying on the back.