If you have a sensitive esophagus or acid reflux, cold water can sometimes soothe inflammation—or, paradoxically, trigger a spasm that feels like trapped gas. It’s a personal lottery.
Also, certain studies suggest that very cold water can slightly delay gastric emptying. That means food stays in your stomach a bit longer, which can amp up fermentation and gas production.
But we’re talking about a tiny effect here. Unless you’re drinking a gallon of near-freezing water with a large meal, you’re probably fine.
Is Drinking Cold Water Bad for You? Risks and Benefits – Svalbarði
