Itchy scalp bumps may be allergic diseases, fungal infections, seborrheic dermatitis, etc., how to stop itching needs to be selected according to the different causes, if it is an allergic disease, you can take antihistamines such as loratadine; if it is a fungal infection can be used with ketoconazole hair shampoo, etc.; such as seborrheic dermatitis can be used as a topical sulfur ointment, tacrolimus cream and so on. 1. Allergic diseases: such as hives, eczema, eczema, drug rash, etc., will cause itchy scalp pimples symptoms, you can take loratadine, chlorpheniramine maleate and other antihistamines to treat. 2. Fungal infection: scalp, hair by fungal infection caused by ringworm, may also cause itchy scalp bumps, some will be accompanied by excessive dandruff hair loss. You can use ketoconazole hair lotion and sulfur soap to wash your hair. 3. Seborrheic dermatitis: the etiology is not yet clear, and may be related to the colonization of Malassezia, impaired skin barrier function, immune response, may also cause scalp pimples itchy, alopecia, dandruff and other symptoms. It can be treated with topical sulfur ointment and tacrolimus cream. Itchy bumps on the scalp, there may be other reasons, it is recommended to go to the hospital for examination to clarify the cause of the disease, the drug should be used under the guidance of a professional doctor.