My son aged 22 years had fits attack yesterday morning at about 0230 Hrs, In which his jaw got locked and I observed involuntary movement of hand for about a minute, white liquid was coming from his mouth, he was out of sense for about 4 hours, please advice, what is the reason for this and how to ensure that this does not happen in future.

Epileptic fit/seizure is a kind of neurological illness. The cause of seizure is abnormal electrical discharges from a part of brain. The cause of discharge may be a tumor, old trauma, vascular injury or any other brain insult. Many of the time this abnormal electrical activity may be seen in eeg recordings. This is a potentially dangerous situation. You should immediately consult a physician or neurologist who may investigate your son with eeg, mri brain etc and prescribe anti-epileptic medicines for cure. He should avoid cycling, riding bike, swimming, working at height, working near machinery, working near fire or going near water bodies like pond, lake, well, river etc. He will be ok with medicines, but the medicines may be required to be continued for many years. I wish him a better health. 

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