There is no such thing as a quick trick to stop an itchy scalp. It needs to be treated according to the cause of the itchy scalp, such as allergic phenomenon, seborrheic dermatitis, fungal infections and other problems, you can choose general treatment, medication and other methods. 1. Allergic phenomenon: For example, when using shampoo or shampoo cream improperly, it may cause allergic reaction. Because shampoo and shampoo cream contain chemical ingredients, resulting in localized allergic dermatitis, when the medium stimulates the scalp sensory nerve endings, which is accompanied by itching symptoms. It is recommended to stop using shampoo or shampoo cream immediately, or directly replace the product can be improved. 2. Seborrheic dermatitis: most seborrheic dermatitis is directly related to the oil secretion of the scalp or the parasitization of fungi such as Malassezia. When Malassezia parasites, will break down the human scalp sebum to produce unsaturated fatty acids, thus stimulating the scalp to cause scalp inflammation, and accompanied by itching symptoms. You can choose to use topical selenium disulfide lotion or oral itraconazole under doctor’s guidance. Such drugs have anti-infective and anti-inflammatory effects, so they are effective in the treatment of seborrheic dermatitis. 3. Fungal infections: for example, tinea capitis can cause local inflammatory reactions and induce symptoms of scalp itching. Clinically, it can be treated by ashwagandha, terbinafine. Because this kind of drug belongs to the antifungal drugs, can effectively kill the pathogenic bacteria, and help to improve the disease, so as to relieve the head discomfort symptoms. All of the above drugs need to be used under the guidance of a doctor, it is recommended that the symptoms of itchy scalp in time to the hospital, follow the doctor’s instructions standardized treatment, so as not to delay the condition.