Confirm it is gynecomastia with a doctor
Review and stop any triggering medications with medical guidance
Reduce alcohol and avoid anabolic steroids, testosterone misuse, and recreational drugs
Lose excess body fat through diet and exercise if overweight
Treat any underlying hormone, thyroid, liver, or kidney problems
Wait and monitor if it is recent and likely to resolve on its own
Use prescription treatment only under a doctor’s supervision
Consider surgery if it is persistent, severe, or causing distress
Seek urgent medical evaluation if there is a hard lump, nipple discharge, pain, or one-sided swelling