By Mariam Khan Rashes can be frustrating and inconvenient but most of them are relatively harmless, however, some are not so harmless and it’s important to be able to identify them. Millions of Brits suffer from some type of skin condition from eczema, psoriasis, and acne to gives, blisters and heat rashes – all of these conditions are frustrating to manage but aren’t life-threatening. However, there are serious rashes that can present similarly. Dr Walayat Hussain, a British Association of Dermatologists spo, said: “The skin is like the window to the body if you like, so sometimes that can be…