This is a common eruption of adults in hot weather, and very frequently attacks children. It consists of fine, pointed, red rash, or minute blisters, and occurs on parts of the body covered by clothing, more often on the chest. The eruption is caused by much sweating, leading to congestion and swelling of the sweat glands. Burning, stinging, and itching accompany the disorder. The condition must be distinguished from the contagious skin eruptions. In the latter there are fever, sore throat, backache, headache, and general sickness, while in prickly heat there is no general disturbance of the system, or fever, unless the eruption comes out in the course of fevers, when it is of no significance except as one of the symptoms of fever.
Treatment. The treatment of prickly heat, occurring in hot weather, consists in avoiding heat as much as possible and sponging the surface with cold water, and then dusting it with some simple powder, as starch or flour, or better, borated talcum. To relieve the itching, sponging with limewater or a saturated solution of baking soda (as much as will dissolve) in water, or bran baths, made by tying one pound of bran in a towel which is allowed to soak in the bath, are all good remedies.
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