Sudden tingling sensation in the left abdomen can be caused by a variety of reasons, the common ones are colorectal inflammation, urinary stones, acute pancreatitis, etc. The most common ones are colorectal inflammation, urinary stones, acute pancreatitis and so on. 1. Inflammation of the colorectum: Various external and internal causes of colorectal inflammation lead to spasm of the intestinal tract, resulting in spasmodic pain, resulting in a sudden tingling sensation in the left abdomen. It may be accompanied by digestive symptoms such as diarrhea, nausea and vomiting. 2. Urinary stones: Because urinary stones are often irregularly shaped, when the stone slides down to the bladder in the process of stimulation of the ureter or the stone suddenly stuck in the ureter will produce a sudden stinging pain in the left side of the abdomen. 3. Acute pancreatitis: the pancreas is located in the left abdominal position, when there is acute pancreatitis, the pancreatic fluid extravasation stimulation of the surrounding tissues and organs, can produce a sudden tingling sensation in the left abdomen. Acute pancreatitis is an aggressive condition that requires immediate medical attention without delay. The causes of abdominal pain are numerous and complex, and the location of the pain is important. The left abdomen can be subdivided into several zones, each of which distributes different organs. Note that abdominal pain should not be treated with analgesics until the cause is clear. It is recommended to go to a local regular hospital for careful examination and to receive treatment under the guidance of a doctor in order to avoid delays.