Gynecomastia

It is a medical condition characterized by enlargement of breast tissue in males. This condition usually occurs due to a hormonal imbalance in the body, where the level of estrogen (female hormone) increases or the level of testosterone (male hormone) decreases.
Treatment of the underlying cause: such as adjusting drug doses or treating hormonal disorders.
Medications: In some cases, the doctor may prescribe medications to reduce breast size.