Itchy red bumps on the scalp are usually caused by folliculitis, tinea capitis, seborrheic dermatitis, etc., and need to be treated with medication under the guidance of a doctor. 1. Folliculitis: folliculitis is a purulent skin disease that occurs around the hair follicles, generally due to poor hygiene habits lead to bacterial infections caused by the patient can be used externally, mupirocin, fusidic acid and other drugs, allergic to the drug is prohibited; when the symptoms are serious, need to be under the direction of the doctor orally sensitive antibiotic treatment, such as amoxicillin, cephalosporins, and other antibiotics. 2. Tinea capitis: Tinea capitis is a fungal infectious disease caused by dermatophytes infecting the scalp as well as the hair. Patients can be under the guidance of the doctor, external ketoconazole, miconazole and other drugs, serious cases also need oral itraconazole, terbinafine and other antifungal drugs, allergic to the above drugs are prohibited. 3. Seborrheic dermatitis: the etiology of seborrheic dermatitis is unknown, and may be related to heredity, infection, endocrine disorders and other factors. Patients can use topical glucocorticoid creams, such as mometasone furoate, etc.; combined with fungal infections, can be used externally ketoconazole lotion, etc.; itching is serious, can be taken orally loratadine and other antihistamines to stop itching treatment. It is recommended that patients with itchy red bumps on the scalp go to the hospital for examination in a timely manner, after a clear diagnosis under the guidance of a doctor to standardize the treatment, do not blindly use their own medication, pay attention to keep the local skin clean and dry.