Are there other signs or symptoms present? Heat rash is a skin irritation caused by excessive sweating during hot, humid weather It can develop when the sweat ducts become blocked and swell and often leads to discomfort and itching. Heat rash looks red or pink rash usually found on body areas covered by clothing. This usually resolves on its own within a couple of days. On the other hand, Grover's disease, results in small red, bumpy spots on the back, chest, arms or thighs. It also follows sweating or some unexpected heat stress. Diagnosis is through a shave skin biopsy. Once confirmed, most cases of Grover's disease last six to twelve months. It would be best to see a dermatologist for clinical assessment and proper management. Take care and keep us posted.
I have a sore throat in the morning when I wake up, goes away during the day. I don't have a Fever. I shaved my chest about a month ago, so i ruled out razor burn.I do workout a lot and sweat, but I have been working out for the past 6 years of my life and only took breaks due to injury. So I am not sure why heat rash would suddenly flare up out of no where. I have had the rash for about two weeks. The rash itself does not really itch. I just noticed that some spots of the rash have little tiny white heads on them, only a few though. I do not have the rash anywhere else on my body besides my chest. If you would like to see it I can send a photo.