Nausea or vomiting
6 First Steps to take After Recognizing Heat-Induced Illness
Get the person out of the sun and into a cool area. An air-conditioned area is ideal, but moving someone into the shade will also help.
Apply water to help the person cool off.
Apply ice to the neck or armpits, where large blood vessels are close to the surface.
Remove any heavy clothing
Immerse the body in cool water, either at a swimming pool or in a bathtub.