Arm pore clogging long small bumps may be keratosis pilaris, Malassezia folliculitis, flat warts and other diseases, you can take medication for the cause of the disease to improve the way. 1. Keratosis pilaris: arm pore clogging long small bumps may be caused by keratosis pilaris, you can follow the doctor’s instructions to apply urea ointment, salicylic acid ointment and other keratolytic agent, can make the keratin soften, easy to fall off. 2. Malassezia folliculitis: Malassezia folliculitis can also lead to arm pore clogging long pimples, you can use topical terbinafine, miconazole and other antifungal drugs under the guidance of a doctor. When the lesions are serious, you can take oral antifungal drugs, such as ketoconazole, fluconazole and so on, as prescribed by the doctor. 3. flat warts: arm pore clogging long small bumps may be flat warts performance, you can in the doctor’s guidance, external use of isotretinoin gel, retinoic acid cream and other retinoic acid drugs, through the epithelial cell proliferation regulation, so as to improve the symptoms of the disease. Or use physical therapy such as freezing, laser and other methods. There are many reasons that lead to arm pore clogging long small bumps, it is recommended that patients go to the hospital in a timely manner, to clarify the cause of the disease, under the guidance of the doctor standardized treatment. The medication should be used in accordance with the doctor’s instructions.