Males who have high levels of estrogen may experience abnormal breast tissue growth, which can result in a condition called gynecomastia.
Depending on the man's overall health, a doctor may suggest someone who has puffy nipples syndrome take supplements that boost testosterone production.
During this stage the breasts will often take the shape of simple cones or funnels.
If a man develops excess fat tissue in the breasts, it can make the nipples appear larger than usual.
Finding the perfect exercise routine can take time.
Some causes of puffy nipples in men include hormonal imbalances, steroid use, and certain exercises.
The nipple can harden and become more pronounced when cold or stimulated.
However, if making these changes do not help, surgery may be necessary to reduce swelling and return the nipples to their previous state.