Final answer:
Sebaceous adenitis is an inflammation of the sebaceous glands, causing symptoms such as scaling and hair loss. It is not an allergy, but an inflammatory condition that requires specific treatment to manage inflammation and dryness.
Step-by-step explanation:
Sebaceous adenitis is B) Inflammation of the sebaceous glands. This condition affects the sebaceous glands in the skin, which are responsible for producing sebum. Sebum is an oily substance that helps to keep the skin and hair moisturized and protected. When these glands become inflamed, it can lead to issues such as scaling, hair loss, and secondary infections. Sebaceous adenitis is not an allergic reaction; rather, it is an inflammatory skin disease. It can be confused with other skin conditions like allergies or eczema, which may present with similar symptoms like itchy or swollen skin. To manage this condition, treatments may include medications to reduce inflammation and the use of special shampoos or moisturizers to help relieve dryness and scaling.