Sudden generalized body aches and pains should be alert to diseases including physiological factors, infectious diseases, lumbar intervertebral disc herniation, rheumatoid arthritis and so on. 1. Physiological factors: when the human body to participate in physical labor and sports activities, excessive fatigue, local accumulation of lactic acid, may appear the symptoms of generalized pain. 2. Infectious diseases: when upper respiratory tract infection, acute bronchitis and other infectious diseases, produce a large number of inflammatory mediators, the patient will have generalized soreness. 3. Cervical disc herniation: this disease is mainly due to the herniation of cervical disc, nerve root compression, and the emergence of the affected side of the upper limb soreness and weakness, neck pain and so on. The diagnosis is confirmed by neck MRI and other examinations. 4. Rheumatoid arthritis: this disease can appear at the onset of small joints in the near section of morning stiffness, pain, sudden generalized pain and so on. There are many other causes of generalized soreness and weakness, which should be treated under the guidance of a doctor to identify the cause of the disease and avoid blindly using medication on your own.