Generalized weakness and convulsions, may be caused by the lack of trace elements or calcium, but also may be caused by a large loss of sodium or epilepsy, if the epilepsy is more serious, usually occurs in epilepsy, accompanied by unconsciousness, this convulsions belongs to the generalized convulsions, the limbs will be more pronounced, the bystander can be found that the patient has the phenomenon of the face and lips of the blue purple, but also the eyes may rolled up the teeth to clench, and sometimes spit. Sometimes foaming at the mouth. So if it is epilepsy, this symptom is more serious, need to go to the hospital immediately for examination. Generalized weakness may also appear in viral colds and other infectious diseases, or renal or hepatic insufficiency, which can also cause this phenomenon, the patient should go to the hospital immediately, the right medicine, by doing some tests to diagnose the condition, and get rapid treatment.