Being sick after drinking water.

Chester is sick at least twice a week, often after drinking a bit a water. He is fine, not ill and it doesn't bother him. Any ideas why?

When does he drink the water that he throws up? Is it after exercise or play? Also, how much does he drink in one go?

Is he really gulping his water, as in taking lots of air at the same time?

He doesn't particularly gulp it down. It can be anytime. Usually brings up any undigested food too. I have tried him on tap water, tepid water, boiled cooled water.

Does he do this after exercise? Or just randomly?

Just randomly.

If he drinks a lot in one sitting, his stomach might reject some of it. Try calling him away after he's been drinking for about 10 seconds, then let him go back after a minute or so.

Good point I will try it, thank you :-)