Chronic urticaria, also known as chronic hives, is a condition where red, itchy welts repeatedly appear on the skin for six weeks or more. These hives can vary in size and location, often causing significant discomfort and impacting daily life.

Hidradenitis suppurativa is a chronic skin condition characterized by painful bumps, nodules, or abscesses, typically occurring in areas where skin rubs together, such as the armpits, groin, and under the breasts. These lesions can be persistent, causing significant discomfort and scarring.

Eczema, also known as atopic dermatitis, is an inflammatory skin condition characterized by dry, itchy, and inflamed skin. Certain triggers, such as stress, temperature changes, allergens, and irritants, can worsen eczema symptoms. Eczema affects people of all ages.

Prurigo nodularis is a chronic skin condition characterized by the development of hard, itchy nodules on the skin. These nodules can be intensely itchy, leading to persistent scratching, skin damage, and a significant impact on quality of life.