The doctor finally gave up and told her to go home and soak the wound in coal oil twice a day and pray for healing. The remedy worked. As I suspected, a detailed search of the book did not show coal oil as a recommended remedy for any malady. I now believe use of the concoction was for purely psychological reasons.
Prickly heat causes an itchy rash of small red raised red spots with a prickling or stinging sensation. Prickly heat usually affects parts of the body covered by clothes, such as the back, abdomen, neck, upper chest, groin or armpits.
11 Home Remedies for Heat Rash. Heat rash, or prickly heat, is an itchy rash that is defined by the red spots that it causes on the skin. People with heat rash will feel constantly itchy and a stinging sensation on the skin will be quite persistent. This kind of rash will occur usually when somebody sweats more than they would usually, which is itself caused by heat.