office worker with abdominal pain, stomach ache on gray background

abdomen abdominal ache appendicitis belly bellyache bloated bloating body bowel cholecystitis constipation cramps cystitis diarrhea digestion digestive disease gastric gastritis gastrointestinal griping gut healthy heartburn ileus illness indigestion infection inflammation inflammatory injury male man nausea office pain painful pancreatic pancreatitis poisoning sickness soreness spasm stomach stomachache ulcers volvulus vomiting worker