Hello sir good morning. Please nothing to worry. There is no such thing called water intoxication because our body is having a very good balancing mechanism so that it can excrete excess of water even if you take also through the urine and sweet and some quantity through stools and also sometimes by vomiting. I think you are having gastritis and that may be the reason for having vomiting sensation. But still per clear cut information try to talk to me and I'll explain you in detail. .

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