Penis pumps: do they work and are they safe?

By Dr. Aaron Stanes

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



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Thinking about trying a pump to increase the size of your manhood? Read on to learn what pumps are, how they work, if they can increase size, and what the potential risks are.

What are penis pumps?

Penis pumps are first and foremost a medical device to assist in the temporary treatment of erectile dysfunction. Medical penis pumps create a low pressure vacuum to draw blood into the erectile tissue, resulting in an erection. They have in-built pressure limiters to prevent damage to the penile tissues. Non-medical penis pumps that claim to increase penis size often don’t have pressure limiters.

How do penis pumps work?

Penis pumps use the principle of a negative pressure vacuums to assist men achieve erection. A cylindrical tank is first placed over the penis and held firm at the base. Once in position a hand or battery operated pump is used to remove air from the cylindrical tank creating a negative pressure environment. The draws blood into the erectile tissues through a suction effect. Once erection is achieved, a constriction ring is placed around the base of the penis to maintain the erection.

Do penis pumps increase size?

Penis pumps are a second-line treatment for erectile dysfunction. When extreme levels of negative pressure are applied to the penis, the erectile tissues can be over-filled with blood. This may provide a slight increase in erect size that can be prolonged with a constriction device, but it comes with a number of significant risks and is not advocated by medical professionals.

What are the risks of penis pumps?

When used to treat erectile dysfunction penis pumps are considered low risk. However, applying unsafe levels of negative pressure to the penis in an attempt to temporarily increase erect size can result in permanent erectile dysfunction. For this reason, non-medical pumps that do not have pressure limiters should be avoided.

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