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What Are Causes of Gynecomastia?

Gynecomastia Breast Reduction Surgery

Gynecomastia or man boobs is a common condition in which male breasts become larger than normal. This is a common condition among older men and teenage boys. Signs of gynecomastia vary from a tiny amount of extra tissue around the nipples to significantly prominent breasts.

Colloquially known as ‘man boobs,’ this condition can either affect one or both breasts. The breast tissue may be painful or tender. However, this is not always the case. At your initial consultation, your surgeon will explain to you the common causes of gynecomastia.

pēkomd® Cosmetic Surgery, led by proven board certified plastic surgeon Dr. Peter Koltz provides male breast reduction surgery to patients in Toledo, Maumee, Northwest Ohio, Southeastern Michigan, and surrounding communities.

Hormone Imbalance

An imbalance between estrogen and testosterone can cause gynecomastia among men. Estrogen is responsible for making the breasts larger. All men have low levels of estrogen, which gets balanced by higher levels of testosterone. This prevents the estrogen from causing the breast tissues to grow. Your breasts may increase in size if the hormonal balance in your body changes. The cause of this imbalance is usually not known.


Another common cause of gynecomastia is being overweight or obese. An increase in weight can cause an increase in the levels of estrogen, which can make the breast tissue grow uncontrollably. You are likely to have excess fat which can increase the breast tissue if you are overweight. Losing weight or exercising can help some people. Based on this, this may not always improve the symptoms of gynecomastia.

Male Infants

Estrogen passes through the placenta to the baby from the mother. Many newborn baby boys suffer from gynecomastia. Moreover, this is nothing to worry about since it is temporary in nature and disappears on its own after a few weeks.


Hormone levels begin fluctuating during puberty. There is a spike in estrogen. If this spike is not met with an increase in testosterone, it can cause the breast tissues to grow. There is a certain degree of breast enlargement in all teenage boys. Puberty gynecomastia usually clears up with age as hormone levels become more stable.

Older Men

Testosterone levels drop as men age. Older men are more susceptible to body fat which can result in an increase in estrogen levels. Excess breast tissue may be the result of these changes in hormone levels.

Other Rare Causes

These are a few other causes of gynecomastia:

  • Anabolic steroid and cannabis
  • Side effects of anti-ulcer drugs or hear disease medications
  • Misuse of alcohol
  • Klinefelter syndrome
  • Liver disease, kidney failure, or another health condition
  • Infection or lumps in the testicles

Diagnosing and Treating Gynecomastia

Your treatment provider will diagnose gynecomastia through a physical examination. They may ask for certain tests to rule out the possibility of other diseases. Hormone therapy may sometimes be used for treating gynecomastia. In relation to this, in most cases, the effective way to remove excess male breast tissue is gynecomastia plastic surgery.

If your condition has occurred because of medications, the treatment provider might suggest alternatives. Most patients prefer breast reduction surgery as a permanent way to remove excess tissue and skin from the male breast.

Established and respectable cosmetic surgeon Dr. Peter Koltz receives patients from Toledo, Maumee, Northwest Ohio, Southeastern Michigan, and nearby areas for gynecomastia surgery.

Contact Board Certified Plastic Surgeon, Dr. Peter Koltz in Toledo, Ohio

To learn more about the plastic surgery treatments and procedures performed by Board Certified Plastic Surgeon, Dr. Peter Koltz please click here to contact us.

Posted on behalf of pēkomd®

7634 W. Central Avenue
Toledo, OH 43617

Phone: (567) 408-7356


Monday-Thursday: 8:00AM-7:00PM
Friday: 8:00AM-5:00PM

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Patient Experience

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Crystal H.

Dr. Koltz & his staff are truly amazing. From my 1st consultation they made me feel comfortable & answered all my questions & I had a lot. I needed a hysterectomy & I was surprised at how emotionally it affected me, so I thought I would reward myself with a flat tummy. Dr. Koltz went through the whole process of how things could go. My options were to do both surgeries at the same time or we could do them within 2 weeks of each other. I wanted lipo as well so I chose to do the surgeries 2 days apart due to wanting to get back to work ASAP. Best decision ever, my tummy tuck & lipo surgery went way better than the hysterectomy which surprised me. I had so much nausea & vomiting post hysterectomy it was extremely painful. I was nervous & explained that to the staff & nurse anesthetist & he did an amazing job. I felt great when surgery was over,(no nausea) little sore but that's to be expected. He did such an amazing job & can't recommend him & his staff enough. Thank you pēkomd® for everything. I love my new me already & I'm only one week post op!

Toledo Location

7634 W. Central Avenue

Toledo, OH, 43617

Phone: (567) 408-7356

Dayton Location

6728 Loop Road Suite 301

Dayton, OH, 45459

Phone: (937) 938-1248

Oregon Location

3458 Navarre Avenue

Oregon, OH, 43616

Phone: (567) 408-7356

Columbus Location

200 W. Wilson Bridge

Worthington, OH, 43085

Phone: (567) 408-7356


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