VIA: FamilyDoctor.Org
Some men and boys have fat on their chests that makes it look like they have breasts. This condition is called pseudogynecomastia (false gynecomastia). It is not the same thing as gynecomastia.
What causes gynecomastia?
Gynecomastia is usually caused by changes in hormones at birth, puberty or as part of aging. Gynecomastia may be caused by changes in the balance of 2 hormones: estrogen and testosterone. In adults, the balance of hormones may be affected by:
- Aging
- Disease
- Tumors of the adrenal glands, testes or pituitary glands
- Hyperthyroidism
- Hypogonadism
- Kidney disease
- Liver failure
- Medications
- AIDS medicines
- Anti-anxiety medicines
- Antibiotics
- Chemotherapy
- Some medicines for cardiovascular disease
- Tricyclic antidepressants
- Ulcer medicines
- Illegal drugs
- Anabolic steroids
- Amphetamines
- Heroin
- Marijuana
- Alcohol
