Rash feeling is a term used to describe an uncomfortable sensation on the skin caused by an irritation or inflammation. It is often accompanied by itching, which can be relieved by scratching. The crossword solution for this term is 'ITCH', which is a four-letter word. ITCH is a common symptom of many skin conditions, such as eczema, psoriasis, and hives. It can also be caused by allergies, insect bites, and other irritants.