Pityriasis Sicca (Dandruff)

Pityriasis sicca (dandruff) is mild non-inflammatory scalp scaling (Malassezia-related), presenting with diffuse white/yellow scales on scalp. Treatment: topical antifungal shampoos (ketoconazole/selenium sulfide/zinc pyrithione/ciclopirox); mild topical steroids if inflamed; emollients; avoid harsh shampoos/heat; follow-up; distinguish from seborrheic dermatitis/psoriasis/tinea capitis.

Common Symptoms

Diffuse scalp scaling; white/yellow flakes; non-inflammatory

Causes and Pathogenesis

Malassezia overgrowth and abnormal epidermal turnover cause scaling.

Treatment

Antifungal shampoos; mild steroids if inflamed; emollients

Preventive Measures

Regular shampoo; avoid irritants.

Department to Visit

It is recommended to visit the Dermatology department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.