A raised bump on the forehead may be caused by trauma such as subcutaneous hematoma, folliculitis, common warts, or epidermal cysts.
1. Subcutaneous hematoma: If there is a history of recent trauma, a violent impact on the forehead may lead to a subcutaneous hematoma. It is recommended that the patient go to the hospital for a CT examination, usually a small amount of hematoma can be self-absorbed, but a large hematoma may require surgical treatment.
2. Folliculitis: The breakage of the forehead skin causes bacteria to invade, resulting in inflammation of the hair follicle and its surrounding tissues, accompanied by pressure pain, redness and swelling. It can be treated with local antibiotic ointment such as mupirocin ointment, and also orally with sensitive antibiotics such as cefaclor.
3. common warts: the disease is caused by human papillomavirus infection, can appear in the forehead of the cabbage pattern superfluous organisms, skin surface roughness, can appear in the local raised hard bags.
4. Epidermoid cysts: the cause of this disease is not known, may be related to embryonic development, trauma and other factors, can appear in any part of the body dome-shaped elevated subcutaneous swelling, in the forehead there is the phenomenon of raised hard bags.
It is recommended that patients with raised bumps on the forehead should go to the hospital to do the corresponding examination in time, and standardize the treatment under the guidance of the doctor after a clear diagnosis, so as to avoid delaying the condition.