The growth of a bag behind the ear piercing is considered to be caused by keloid, boil, epidermal cyst and other diseases, which should be handled by general treatment, medication and surgery.
1. Keloid: Keloid is mainly secondary to skin trauma, such as after ear piercing. Surgical excision is recommended for keloid scars in the ear. If the keloid is small, local injection of glucocorticoids such as tretinoin can also be used to reduce the size of the scar.
2. Boil: a bag behind the ear piercing may also be a boil, if the early not pus can be used 20% ichthyol, mupirocin and other ointments. If the pus has broken out, the lesion needs to be incised to drain out the pus.
3. Epidermoid cysts: Epidermoid cysts can also cause a bag to grow behind the ear hole, if there are no symptoms, generally do not need treatment. If symptoms occur, surgical removal is recommended, often using cyst removal.
For patients with a bag behind the ear piercing, it is recommended to consult a doctor for a clear diagnosis and choose the appropriate way to deal with it. All of the above medications should be used in accordance with medical advice.