Gynecomastia: Prevention

To prevent gynecomastia (breast enlargement), attention must be paid to reducing individual risk factors.Behavioral Risk Factors

  • Drug use
    • Cannabis (hashish and marijuana)
  • Use of shampoos, soaps, lotions, balms, gels, etc. containing lavender/tea tree oil cause gynecomastia in prepubertal boys; cause: ingredients have estrogen-like effect
    • Eucalyptol, terpin-4-ol, dipentene/limonene, and alpha-terpineol were present in both lavender and tea tree oils
    • Linalyl acetate, linalool, alpha-terpinene, and gamma-terpinene were present in one of the two agents

To prevent pseudo-gynecomastia, attention must be paid to reducing individual risk factors.

Behavioral risk factors

  • Obesity (obesity)