The stomach pain on the left side is divided into different parts according to the actual pain. The upper left stomach pain is usually caused by problems in the human stomach and spleen. At the same time, there may be a disease in the pancreas or the left kidney. The main reason for the pain in the lower left stomach is generally due to problems with the colon or rectum. In addition, if the woman has left lower stomach pain, it is considered that the fallopian tubes, ovaries and other organs have lesions.

　　The range of stomach pain is relatively wide, Depending on the location of the pain, the cause of its onset is also different. For example, some people will continue to have stomach pain on the left side, and stomach pain on the simple side is not a normal phenomenon. It may be a warning signal issued by certain diseases to the human body. You really need to pay special attention to find out as soon as possible. The relevant reason is very important. So what''s going on with the stomach pain on the left?
　　First, what about the stomach pain on the left?
　　1. Pain in the upper left stomach
　　 Pain in the upper left stomach usually occurs in the stomach and spleen of the human body There is a problem, but it also needs to be noted that this may also be a disease of the pancreas, left kidney, and left large intestine. If the left upper abdomen develops continuously and is accompanied by the characteristic of increased paroxysmal, it may spread to both sides of the waist and strengthen due to eating, it is likely to be acute pancreatitis.
　　2. Lower left stomach pain
　　Lower left stomach pain is mainly a problem of the colon or rectum, such as common intestinal obstruction, appendicitis, enteritis, intestinal parasitic diseases Wait, if women have stomach pain when sitting down, they should also consider whether it is related to the left ureter, whether there is a problem with the left ovary and fallopian tube.
　　Second, the common hazards of stomach pain
　　1. Enhanced metabolism
　　 Prolonged stomach pain can lead to hypersecretion of human body, such as Epinephrine, antidiuretic hormone, insulin and other secretions increase. Clinically, patients may have high blood pressure, high blood sugar, and increased basal metabolic value.
　　2. Emotional response
　　Belly pain will cause patients to have a series of negative emotional reactions, including nervousness and uneasiness. The stomach hurts to a certain degree, and the patient is usually unbearable, and even syncope may appear.
　　3. Disturbance of the autonomic nervous system
　　This situation is mainly manifested as: enhanced sympathetic nerve function activity, accelerated breathing, accelerated heartbeat, increased gastrointestinal movement, ugly face, limbs Cold, sweating, etc.