What is the cause of pain when pressing on the abdomen

Pressing on the abdomen shows pain, which is considered to be caused by diseases of the abdominal organs and is seen in different diseases depending on the site of onset: first, if the pain is in the lower abdomen on the right side, it is common to have appendicitis. In addition, for female disease can also be caused by ovarian cysts or right adnexitis. Secondly, right-sided upper abdominal pain is commonly associated with cholecystitis, usually combined with gallbladder stones, which can trigger the appearance of symptoms after overeating or after drinking alcohol. It is characterized by localized pain, nausea and vomiting, and an increased blood count in laboratory tests. Third, left-sided upper abdominal pain is most commonly caused by gastric disease, including benign ulcers, while elderly patients can also be caused by stomach tumors. Fourth, it can also be pancreatitis that occurs with pressure pain on the left side of the upper abdomen, the patient should have a history of chronic pancreatitis, and an acute attack of acute pancreatitis can be induced after overeating and drinking alcohol.