i am 28years old in this season I have allergic problem like redness type small granules appear on my face and also itching problem on my my full body how to tackle this problem

A. First you need to know and understand what are these rashes all about why are you getting it is it a food allergy or due to heat or something precisely that’s irritating your body or some kind of a infection that’s relating to this so you need to get a testing done then only you can proceed with the treatment consult dermatologist for