Eczema, or atopic dermatitis, is a rash that primarily occurs in people with asthma or allergies. The rash is often reddish and itchy with a scaly texture. Psoriasis is a common skin condition that can cause a scaly, itchy, red rash to form along the scalp, elbows, and joints.
![Skin Rashes](https://www.ascdermcare.com/wp-content/uploads/2021/01/dermatology_generic-1.jpg)