Bumps on the arms do not hurt or itch, and may be caused by factors such as keratosis pilaris, flat warts, seborrheic keratosis. It can be treated with medication such as retinoic acid ointment, physical therapy such as liquid nitrogen freezing, and surgery if necessary.
1. Keratosis Pilaris: Keratosis Pilaris is a common clinical skin disease with abnormal follicular keratinization, which may cause roughness of the skin, and usually does not cause pain or itching. It is recommended to strengthen the skin moisturizing, can also be given keratin softening or dissolving agents, such as retinoic acid ointment, salicylic acid ointment and so on.
2. flat warts: flat warts are caused by human papillomavirus infection, resulting in the appearance of benign redundancies on the surface of the skin, usually does not cause pain or itching. They can be treated with lasers, liquid nitrogen freezing and other methods.
3. Seborrheic keratosis: Seborrheic keratosis usually occurs in the elderly, usually does not affect the health, if you feel the impact on aesthetics, if necessary, through the laser, freezing or surgical excision and other ways of treatment.
Arm pimples do not hurt and itchy, there may be other reasons, it is recommended that timely to the regular hospital, clear cause, under the guidance of the doctor targeted treatment.