What to do to get rid of gynecomastia during puberty?

Depends : Roughly half of males go through transient nipple enlargement on one or both sides at the onset of puberty.Most resolve within 6m to a year, it is considered normal.I went through it. A few will have persistent or dramatic gynecomastia. It can erode someones self concept , surgery is helpful for those who don't clear up after a year or so.

Options: Assuming a young man has achieved a long-term stable weight and there are no “causative agents” involved, surgery may be indicated to treat persistent gynecomastia. It is often best treated with partial excision of the prominent glandular tissue as well as liposuction surgery of the peripheral chest area. If the prominence of the chest wall is caused by adipose tissue, then liposuction surgery.