What causes scalp itching?

Diet and sleep irregular, scalp sebaceous gland secretion exuberant, fungal infection and other factors may lead to scalp itching. 1. Diet or irregular schedule caused by scalp itching, need to rule out other factors. But normal adjustment, reasonable diet, scalp itching will be significantly improved. 2. Sebaceous gland secretion of patients, excessive oil blocking hair follicle opening, the formation of hair follicle dermatitis or seborrheic dermatitis, will show scalp itching. 3. When the scalp is infected with pathogens such as Trichophyton trichophyton, Gypsum microsporum, Trichophyton purpureum, and Microsporum canis, it will show ringworm of the head. In addition to the itchy scalp, patients with ringworm of the head may also show skin changes such as yellow ringworm, white ringworm, or black ringworm.