Enlarged breasts in men (gynecomastia)

Diseases and Conditions

Overview Symptoms Causes Risk factors Complications Prevention Diagnosis Treatment Coping and support

Risk factors for gynecomastia include:

Adolescence
Older age
Use of anabolic steroids to enhance athletic performance
Certain health conditions, including liver and kidney disease, thyroid disease, hormonally active tumors, and Klinefelter syndrome