The appearance of large dandruff on the head may be related to diseases such as tinea capitis, seborrheic dermatitis or psoriasis, etc. The treatment includes general treatment, local treatment, systemic treatment or physical treatment.
1. Tinea capitis: after the scalp is infected with dermatophytes, such as tinea cruris, a disk-shaped scab can be attached to the scalp, and in serious cases, it can cover the whole scalp. After cutting off the diseased hair, shampooing with ketoconazole shampoo, applying topical terbinafine cream, and taking itraconazole or terbinafine orally can also be effective.
2. Seborrheic dermatitis: inflammation occurs when sebum overflows from the scalp area, mostly in the scalp area of obese people see thick flaky scalp with greasy scabs, they should pay attention to diet, ensure enough sleep, avoid alcohol and spicy diet, etc.; the head can be washed with ketoconazole shampoo; vitamin B or zinc supplements.
3. Psoriasis: psoriasis scales on the scalp area are thicker and can go beyond the hairline, which can be treated with topical retinoic acid ointment, carbotriol or mometasone furoate cream, etc. Physical therapies such as photochemotherapy (PUVA) or lasers can also be applied.
When large dandruff appears on the scalp, it is recommended to consult a doctor for a clear diagnosis and follow the doctor’s instructions. All of the above medications should be used in accordance with medical advice.