The best advice I can give is corn starch, or baby powder made with corn starch rather than talcum powder! That works pretty well for me - plus Benedryl cream when the rash gets too bad.

Essential oils for heat rash: peppermint, spearment, chamomile and lavender are all good. they are natural Some are natural antihistamine, they cool and soothe. Tea Tree is antibacterial and antifungal.

I find this to give you info. i think it is good..https://www.healthline.com/health/heat-rash-hom...

How to Get Rid of a Heat Rash: Treatment, Remedies, and More

https://www.healthline.com/health/heat-rash-home-remedies

also i put cold water on my headhair until i need more putting cold pack on your chest also will reduce the anxiety symtoms

Hi yes I have and I have never got this before