I think I have gynecomastia. I'm an adolescent. Will it go away?

Several common factors can cause gynecomastia including excessive levels of #estrogen, natural #hormone changes, use of recreational drugs or alcohol, medications and their associated side effects, and, various health conditions.Also, there are different types of #gynecomastia. Particularly, Normal Gynecomastia is usually apparent in males between the ages of 12 to 15 years old. It is also common for older men 65 years old or more who experience a drop in their testosterone levels. #Normal Gynecomastia takes approximately one to two years to naturally regress on its own.

Adolescent Gynecomastia is hereditary and usually appears in 30% to 60% of boys between the ages of nine to fourteen. Many cases of adolescent gynecomastia resolve on its own as the boy grows into adulthood. Some with #Adolescent may choose to undergo surgery to correct the situation, this usually happens at the age of 18 or above. In severe cases in young boys, the physician and child development specialists will need to speak to the parents regarding the severity of the gynecomastia and if surgery is an option before the age of 18. 

 About 30 to 40% of boys going  through puberty experience some gynecomastia. In the vast majority of cases this subsides with time.

I understand your concern.  While it may be related to your reaching puberty, it may not go away.  I commend your weight loss and workout regimen, that is an excellent start!  Try building up your chest muscles on machines that target those areas, but if it still doesn't get better and it bothers your, talk to your parents!  Ask them to make an appointment with a board certified plastic surgeon.  If needed, the surgery is straight forward and immensely rewarding.

It is not uncommon to see some degree of breast enlargement early in puberty.  Often the onset of puberty can be as early as 12 years of age.  When the breast increases in size at this age the enlargement is usually temporary and often returns back to normal in 1-2 years.  The usual finding in this case is a firm fibrous mass just below the areola.  This may be accompanied by increase in the surrounding fatty tissue.  When this is noted early in puberty it is reasonable to delay treatment for 1-2 years anticipating a return to normal.  Commonly the hormonal imbalance stabilizes at approximately 15 years of age.  Gynecomastia persisting beyond this age can be considered for surgical correction.  Very often even small to moderate amounts of gynecomastia can result in social withdrawal during the teenage years.  When persistent gynecomastia and noticeable social withdrawal is present at this age it is reasonable to proceed with surgical correction.