Men with large nipples need to be treated according to their causes, such as unstable hormone levels, genetic factors, nipple allergy, etc. General treatment, medication or surgery will be taken after clear diagnosis. 1. Unstable hormone level: During puberty, testes will produce estrogen, which will be inactivated in the liver. Unstable hormone level can lead to estrogen aggregation, thus leading to large nipples, which is usually relieved after puberty and does not require special treatment. 2. Genetic factors: men with large nipples may be congenital development of large, need to consider and family genetics, usually not accompanied by uncomfortable symptoms, without special treatment, if the impact of the aesthetic, you can choose to surgical plastic surgery. 3. Nipple allergy: nipple contact with allergic substances, such as poor-quality clothing, can cause localized swelling, itching and other phenomena, the treatment needs to stay away from allergens, and then follow the doctor’s instructions to take oral antiallergic drugs, such as loratadine. There are many reasons why a man’s nipples are large, after the symptoms, we recommend that you go to the hospital in time to improve the examination, a clear diagnosis, do not ignore the symptoms, take it lightly, so as not to delay the treatment of the condition.