The scalp has a piece of dandruff very thick repeated scabs may be ringworm, seborrheic dermatitis and psoriasis and other diseases triggered.
1. Tinea capitis: mostly related to scalp infection with dermatophytes, clinical manifestations of extensive scalp scales, yellow scabs and other symptoms, some patients will have a piece of scalp dandruff thick and repeated crusting symptoms.
2. Seborrheic dermatitis: the cause of the disease is unknown, may be related to diet, heredity, immune dysfunction and other factors, the patient will appear flaking, yellow or brown scabs, commonly found in the head, face and other places, accompanied by greasy, flaky, itchy and other symptoms, scratching can appear after the flakes become thick and repeated scabs.
3. Psoriasis: the cause of the disease is more complex, may be related to genetic, immune and other factors. The main manifestation of the scalp can appear red papules or macules, covered with thick scales, itching, pustules, pustules after a long time will not have the case of crusting.
Scalp has a piece of dandruff is very thick repeatedly scabbing more reasons, it is recommended that the patient to the hospital, to clarify the cause of the disease, follow the doctor’s instructions for treatment.