Hello,my brother is 15 years old and weight 108kg,height 6feet. His main problem is he is having water vomiting,which is fresh water for more than 16 times a day from yesterday morning. Also having diarrhea and  doesn't want to eat anything. He ate caps-imotil 2mg 1time a day yesterday for diarrhea. But whenever he drink water, sometimes later he vomits fresh water. He is also having etopira 25mg 1+0+2, levipil 1+0+0 for A kinetic seizure. please help by giving a solution of this problem. Thanks in advanced.