What Causes Swollen Nipples?

Mammary swelling may be associated with multiple causes, including inflammation, hormonal fluctuations, external stimulation, or underlying diseases. If symptoms persist or are accompanied by pain, secretions, etc., medical attention should be sought promptly. Mammary swelling is a common phenomenon that can occur in both men and women. In women, hormonal changes during the menstrual cycle, pregnancy, or lactation can cause temporary swelling of the nipples. In men, mammary swelling is sometimes related to hormonal fluctuations, such as physiological changes during puberty. Prolonged friction, compression, or improper wearing of underwear on the nipples may also cause local irritation and swelling. If mammary swelling is accompanied by pain, skin redness, cold sweat, or exudate, it may be indicative of an infection or skin disease, such as eczema or dermatitis. Although breast hyperplasia or breast cancer are rare, they can cause swelling or other discomfort in some cases. Therefore, it is best to identify the cause of persistent mammary swelling as soon as possible. Daily, friction can be reduced locally, for example, by choosing comfortable and soft underwear or avoiding the use of irritating skincare products; if caused by eczema or dermatitis, a mild skin cream can be used. If there is no improvement or if obvious lumps or bloody secretions are found, medical examination should be sought promptly for professional diagnosis and treatment.