Scalp red spots may be caused by seborrheic dermatitis, localized folliculitis, contact dermatitis and so on.
1. seborrheic dermatitis: the specific cause is not clear, may be related to genetics and sebum metabolism, due to the scalp area sebum overflow is more prone to local chronic inflammation, which leads to red spots on the skin, accompanied by greasy, itchy, dandruff and other symptoms.
2. Local folliculitis: it is an inflammatory skin disease caused by bacterial infection, related to high temperature, sweating, scalp abrasion, not paying attention to cleaning and other factors, often manifested as a hair follicle as the center of the red papules, accompanied by itching and pain.
3. Contact dermatitis: mostly caused by scalp contact with certain allergenic substances, such as shampoo, animal hair, etc., local perverse reaction may lead to red spots on the skin and accompanied by itching.
Scalp red spots may also be caused by other reasons, it is recommended to go to the hospital in a timely manner to clarify the cause of the disease, follow the doctor’s instructions standardized treatment.