Yes, gynecomastia can go away on its own in some cases. Gynecomastia
caused by hormonal changes during puberty or weight loss may resolve on its own over time. However, in other cases where the underlying cause is not temporary, gynecomastia may persist and require medical intervention. It may take several months or even years for the breast tissue to return to a normal size. Patients should talk to their healthcare provider about any concerns they have about their gynecomastia and whether or not they need treatment.