What’s wrong with a bulge under the armpit that doesn’t hurt or itch?

The common causes of a bulge under the armpit that does not hurt or itch are sebaceous cysts, lipomas, paratesticular breasts, etc. It is recommended to consult a doctor in time to find out the cause of the disease.
1. Sebaceous cysts: due to the blockage of sebaceous gland excretory ducts, sebaceous gland secretions in the epithelium of the sebaceous glands become more and more, until the contents gradually expand, resulting in the formation of cysts, mild cases usually do not have symptoms, no pain and no itching.
2. Lipoma: The abnormal accumulation of fat caused by little exercise and excessive drinking may cause lipoma, which is usually painless and itchy, with a softer texture and clearer boundary.
3. Associate breasts: refers to the normal breasts outside the size of the excess breasts, common in the armpit or underarm, mainly due to the fetus in the mother’s body during the development of the mammary gland, the beginning of the degradation of the mammary gland is incomplete, resulting in the mammary tissue residual, the formation of the associate breasts, acquired obesity or improper clothing can also lead to the production of associate breasts, associate breasts are generally no uncomfortable symptoms, will not hurt or itch.
The appearance of a bulge in the armpit does not hurt or itch, there may be other reasons (such as axillary lymph node enlargement, lymphoma, etc.), it is recommended to take regular treatment in time, so as not to delay the condition.