The feeling of flakiness in the body can be caused by physiologic and pathologic factors. Common pathological factors include diabetes, drug side effects, neuritis, tumors, food poisoning and so on. 1. Physiological factors: If you stay in a position for a long time, it is easy to cause pressure on the local blood vessels and nerves of the body, resulting in poor blood circulation, so that the body produces a tingling feeling. 2. Diabetes: The feeling of numbness in the body is a common early manifestation of diabetic peripheral nerve damage. If the body often appear tingling sensation, and accompanied by soreness, swelling performance, it is recommended to timely check blood sugar. 3. drug side effects: for example, gentamicin and other drugs taken improperly, will produce lips and limbs numb side effects, which in turn led to the body has a sense of numbness. If you have any discomfort during the medication, it is recommended that you change or stop the medication under the guidance of your doctor. 4. Neuritis: when the nerves are infected with bacteria or viruses, it will lead to inflammation of the nerves, which can cause tingling sensation in the body, and if not treated in time, the condition will become serious and cause necrosis of the nerves. 5. Tumor: Tumor can also cause pressure on the nerves, which can lead to numbness, paresthesia and other uncomfortable symptoms. 6. Food poisoning: for example, consuming food rich in lobelia, will lead to chronic poisoning, so that the body appears numbness. In short, if there is a feeling of numbness in the body, accompanied by other uncomfortable symptoms, it is recommended to consult a doctor in a timely manner, after a clear diagnosis and standardized treatment in accordance with the doctor’s instructions.