A winter head long scalp ringworm may be ringworm of the head, scalp psoriasis, seborrheic dermatitis, contact dermatitis and other diseases, but also may be related to their own poor hygiene.
1. Ringworm of the scalp: the scalp and hair infection caused by dermatophytes, mainly manifested as thick scales on the scalp and hair, accompanied by itching and other symptoms.
2. Scalp psoriasis: winter is a good season for psoriasis, when it involves the scalp there will be thick white scales, accompanied by itching and other symptoms.
3. Seborrheic dermatitis: when there is seborrheic dermatitis on the scalp, thick greasy scales will appear, accompanied by itching, like ringworm.
4. Contact dermatitis: generally occurs after perm, hair coloring, due to contact with some stimulation or sensitization of the goods after the occurrence of perverse reactions. The main manifestations are erythema, scaling, itching and other symptoms.
5. Poor hygiene: If you fail to wash your hair in time because of the cold weather, leading to the accumulation of grease and secretions on the scalp, the problem of dandruff will also occur.
There may be other reasons that cause patients to grow dandruff on their head in winter, they should go to the hospital in time and ask the doctor to diagnose and treat it.