Lose overall body fat through a calorie-controlled diet and regular exercise
Do chest-focused strength training to improve firmness and posture
Wear a properly fitted supportive bra
Avoid weight gain if your breasts increase with body fat
Review medications with a doctor if breast enlargement started after a new prescription
Check hormone-related causes with a healthcare professional if breast size changed suddenly
Consider medical evaluation for gynecomastia if you are male
Ask a plastic surgeon about breast reduction surgery if you want a permanent option
Seek urgent medical care if there is a new lump, pain, nipple discharge, or rapid one-sided change