Which skin condition is characterized by a flaky scalp?

Seborrheic dermatitis is the skin condition characterized by a flaky scalp. This condition occurs when the skin overproduces oil, leading to an inflammatory response that results in scaling and redness. On the scalp, this manifests as dandruff-like flakes, which can range in severity and may be accompanied by itching or discomfort.

Seborrheic dermatitis commonly affects areas with a high concentration of sebaceous (oil) glands, particularly the scalp, face, and upper body. The presence of the yeast Malassezia on the skin can exacerbate this condition, contributing to the flakiness associated with seborrheic dermatitis. Management often involves special shampoos or topical treatments that target both the inflammation and the fungal component.

In contrast, other conditions mentioned, such as atopic dermatitis, psoriasis, and alopecia areata, present with different signs and symptoms. Atopic dermatitis generally involves itchy, inflamed skin, psoriasis features silvery scales but is usually more widespread and not limited to the scalp, while alopecia areata results in hair loss without the characteristic flaking. Understanding these distinctions aids in diagnosing and treating scalp conditions effectively.