Does penis size change with age?

By Dr. Aaron Stanes

Treatment guide

Discover the vital information you MUST know about penis enlargement with our detailed guide written by expert cosmetic doctors.


    Whether you’re a grow-er or a show-er a common concern among men is how their manhood will change with age. Many worry they’ll lose what they’ve got, and the implications this may have on their self-esteem and their love-life.

    What affects penis size?

    The size of a man’s penis results from a combination of factors outside of his control. The main contributors are genetics, and how much testosterone he is exposed to during puberty. Generally, taller men will have a larger average penis size.

    When does your penis stop growing?

    Most men’s penises reach their maximum size at the end of puberty. This is typically between the ages of 18 and 21 years old.

    Does your penis shrink with age?

    Unfortunately, it is normal to lose penis size with age. As your testosterone reduces, penile tissues can shrink by up to 1-1.5cm in length. Further, health conditions like diabetes and vascular disease, as well as some surgeries (like prostate removal) and medications can impair blood flow and nerve function, causing additional loss in size.

    Another cause of a shrinking penis with age is weight gain. Most people gain some weight over time. If you do gain weight around your pubic bone, this can encroach on your penile shaft, causing a loss of apparent length. The good news is that if you reduce your pubic fat, you can reclaim the length previously lose.

    What causes your penis to get smaller as you age?

    There are a number of different things that cause your penis to get smaller with age.

    1. Decreasing testosterone: with age, men lose testosterone, which causes your penis to lose some size. This process is gradual, occurring slowly over many years.
    2. Medication side effects: medications including those prescribed for hair loss can impair penile function and blood flow, causing a reduction in size (without changing the actual penile tissues).
    3. Surgery: pelvic surgery, like that performed for prostate cancer can reduce the size of your penis. It can occur due to a change in nerve function, as well as from scarring around the surgical sites which cause retraction of your penile tissues.
    4. Medical conditions: diabetes, kidney disease, and high cholesterol are some of the medical conditions that can cause your penis to get smaller. This occurs due to impaired blood flow, reducing how much blood circulated through your penile tissues are. Staying healthy and exercising regularly is a great way to preserve the size of your penis with age.


    If you are noticing a loss of penis size as you age, there are options available. Here at Cosmetic Connection, we offer a non-surgical, non-invasive penis enlargement treatment that uses dermal filler injections. Taking 20 minutes and with no downtime, it is an effective way to increase your flaccid and erect penile thickness, and flaccid length.

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