What is the cause of the baby's sudden convulsions

Twitch refers to the involuntary, spontaneous, intense contraction of the whole body or local muscles of a child. The form of seizures can be compulsive, clonic, or mixed. The cause of the disease is unclear, and there are many reasons for showing convulsions. The causes of convulsions in children include: 1. High fever: the highest proportion of high fever convulsions is the most common cause of inducing convulsions in children;2. Epilepsy: Normal performance is repeated seizures, consciousness and feeling show temporary obstacles, mainly because children's nervous system development is not sound, cerebral cortex is stimulated by abnormal discharge caused;3, tetanus: neonatal tetanus is due to umbilical cord disinfection is not strict, resulting in typical symptoms is in muscle tension contraction on the basis of paroxysmal strong spasm, the first affected muscle group is masticatory muscle, the order is facial expression muscle, neck, back, abdomen, limb muscle, diaphragm; 4. Calcium deficiency: Not only children adult calcium deficiency will also cause convulsions are mostly limited, such as thigh convulsions and foot convulsions, calcium deficiency convulsions will be relieved after calcium supplementation;5, low magnesium: if the child long-term diarrhea can promote magnesium excretion from the body, premature infants, milk feeding or long-term diarrhea children are relatively prone to magnesium deficiency convulsions;6, genetic metabolic diseases: May show convulsion attack, should first go to the hospital for EEG, head CT or MRI examination to clarify the cause, if necessary, can do lumbar puncture cerebrospinal fluid test to assist in diagnosis.