Sunstroke, Quick Method to Relieve

"Apply alternately hot and cold applications to forehead and base of the brain or back of the neck, place the feet in warm mustard water, and apply mustard to the stomach and calves of legs. This remedy was tried by my brother's wife, who is a trained nurse. She says it is very effective," The hot and cold applications help to draw the blood from the brain. Placing feet in warm mustard water will help to give relief.

Source: Mother's Remedies: Over One Thousand Tried and Tested Remidies from Mothers of the United States and Canada, T. J. Ritter