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What can I do if someone vomits after drinking water in hot weather?

If someone vomits or feels nauseous after drinking water in extremely hot weather, do not give any water or anything by mouth. If the person does vomit and is experiencing heat exhaustion or heat stroke, it's very likely that his or her mental status may start to deteriorate. People in this situation may not understand where they are, they may become very combative, and if they have liquids in their stomach and vomit and they may not protect their airway.

If they are lucid enough to understand, you can get them into a cool area, try to get them into an ice bath or into a cold shower, take off the heavy clothing, take off the heavy equipment they may be wearing for sports and try to cool the ambient temperature around them first.

Trinity Health is a Catholic health care organization that acts in accordance with the Catholic tradition and does not condone or support all practices covered in this site. In case of emergency call 911. This site is educational and not a substitute for professional medical advice, always seek the advice of a qualified health care provider.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.