In conditions like eczema or psoriasis, there is no cure. These rashes are thought to be genetic, and dealing with the symptoms is the only treatment available [source: Mayo Clinic].
In most cases of atopic dermatitis, the most serious form of eczema, it begins in childhood. The condition fades in many patients, though it can come back or cause other symptoms like easily irritated skin or skin infections [source: National Eczema Association].
Though there's not a cure, topical creams containing cortisone are effective are reducing the length of a flare-up in both eczema and psoriasis [source: Mayo Clinic].