👉 Itchiness, in its medical context, is a sensation of itching or irritation. It can be caused by various factors such as allergies, irritants, infections, or other conditions. In many cultures and societies, itching is often seen as a sign of illness and requires immediate attention from healthcare providers to prevent further damage. Itching can also be a symptom of certain medical conditions, including dermatitis (rash), psoriasis, and eczema.