Badly itchy scalp may be caused by ringworm of the head, seborrheic dermatitis, folliculitis, etc., which can be improved with the help of topical medications, oral medications, and so on. 1. Tinea capitis: fungal infection of the scalp can cause tinea capitis, which leads to the occurrence of itchy scalp symptoms, in addition to dandruff, hair loss and other symptoms. You can use bifonazole cream, terbinafine cream and other antifungal drugs to help treatment, at the same time can be used externally sulfur soap, ketoconazole lotion and other cleaning scalp, serious cases can be based on oral itraconazole, terbinafine and other drugs to help treatment. 2. Seborrheic dermatitis: Itchy scalp such as accompanied by increased scalp oil secretion, dandruff and other symptoms, may be caused by seborrheic dermatitis. 3. You can use topical sulfur ointment, calcium-regulated phosphatase inhibitors such as tacrolimus, ketoconazole and other drugs applied locally to help relieve scalp itching symptoms, at the same time, pay attention to a light diet, avoid spicy and stimulating foods, limit the diet of polysaccharide and lipids, quit smoking and drinking, and if necessary, oral antihistamines such as chlortetracycline, which helps to achieve a better effect of itching. 4. Folliculitis: scalp hair follicles are infected by bacteria can lead to the occurrence of scalp folliculitis, scalp itching, redness, swelling, pain, fever and other symptoms, and in severe cases, even caused by folliculitis alopecia, can be used externally with mupirocin ointment, oral doxycycline and other antibiotics to help treatment if necessary, should pay attention to the local dry, clean. It should be noted that the above treatments need to be carried out under the guidance of a physician to avoid the occurrence of adverse reactions.