Final answer:
Eczema, also known as atopic dermatitis, is an allergic skin reaction that causes dry, itchy patches of skin. It can be managed with moisturizers, corticosteroid creams, and immunosuppressants. Other skin disorders listed in the question are not related to eczema.
Step-by-step explanation:
Eczema, also known as atopic dermatitis, is an allergic skin reaction that presents as dry, itchy patches of skin resembling rashes. It can be accompanied by swelling, flaking, and bleeding in severe cases. Although the exact cause is unknown, it is believed to involve a combination of genetic and environmental factors.
The primary treatment for eczema involves managing symptoms with moisturizers, corticosteroid creams, and immunosuppressants. It is important to avoid triggers such as certain fabrics, soaps, and allergens to prevent flare-ups.
Other skin disorders listed in the question, such as seborrheic dermatitis, lichen planus, actinic keratosis, and pemphigus, are unrelated to eczema and have different causes and treatments.