Scalp like a pimple bulge may be due to seborrheic dermatitis, folliculitis, eczema and other causes. Symptoms can be relieved by medication and physical therapy. 1. Seborrheic dermatitis: a common chronic superficial, inflammatory skin disease. Due to the stimulation of inflammation can appear as small red patches, can be accompanied by symptoms of redness and swelling, that is, scalp like acne bulging. It can be treated with antifungal medications, such as itraconazole, as prescribed by the doctor. You can also choose ketoconazole shampoo to wash your hair. 2. Folliculitis: mainly caused by bacteria, fungi and other pathogenic bacteria, due to the stimulation of inflammation, can also appear like a pimple bulging scalp phenomenon. Physical therapy can be chosen, such as ultra-short wave, far infrared radiation, photodynamic therapy, etc., with anti-inflammatory, analgesic and anti-infective effects. You can also use mupirocin ointment, miconazole cream and other topical drugs for treatment. 3. Eczema: inflammation of the superficial dermis and epidermis caused by a variety of internal and external factors, can occur in the head, hands and other parts. Often manifested as erythema on the basis of pinhead to grain size papules, papules. Ultraviolet light therapy, including UVA irradiation, UVA/UVB irradiation and narrow-spectrum UVB irradiation, is effective for chronic and persistent eczema. Oral antihistamines, mainly including loratadine and cetirizine, can also be taken as prescribed by the doctor. In addition, it is recommended that patients whose scalp looks like a pimple bulge go to the hospital in a timely manner and follow the doctor’s instructions for treatment to avoid delaying the condition.