Which skin condition is characterized by itching and scaly patches?

The skin condition that is characterized by itching and scaly patches is psoriasis. Psoriasis is an autoimmune condition that leads to the rapid multiplication of skin cells, resulting in the formation of thick, red, scaly patches that can be itchy and sometimes painful. These patches typically appear on the scalp, elbows, knees, and lower back but can occur anywhere on the body. The cells accumulate on the surface of the skin rather than shedding naturally, which creates the associated scales.

While scabies is caused by a parasitic infestation and can also result in itching, it does not typically present with the characteristic scaly patches seen in psoriasis. Fungal infections might lead to itching and flaking but usually manifest with a distinct ring-shaped rash or patch that is more circular and is often red. Acne, on the other hand, primarily involves clogged pores, blackheads, and cysts and does not present as scaly patches or general itchiness.

Recognizing these distinctions is crucial for properly identifying and treating skin conditions within the realm of esthetics.