Itchy scalp in hot days may be suffering from seborrheic dermatitis, which is caused by hot weather, increased sebum secretion and Malassezia infection. Seborrheic dermatitis can be treated with general treatment, topical medication, and systemic medication after diagnosis of seborrheic dermatitis.
1. General treatment: daily attention should be paid to the regularity of life, adequate sleep, dietary regulation, limiting multi-fat and multi-sugar diet, avoiding alcohol and spicy stimulating food. Avoid using irritating detergents.
2. Topical medication: ketoconazole lotion, selenium disulfide lotion can be used to wash the hair.
3. Systemic treatment: when itching is intense, anti-itching and sedative can be used, such as oral cetirizine and other antihistamines; vitamin B can be supplemented; fungal infections or generalized damage can be itraconazole.
Hot scalp itch may also have other reasons, it is recommended to go to the hospital, after diagnosis under the guidance of the doctor to use medication, not blindly self-medication, in order to avoid adverse effects.