You might be curious about how a Botox treatment, known for relaxing muscles, can improve erections. The answer lies in Botox's ability to relax the smooth muscles that regulate blood flow through the penile arteries. When these muscles relax, the arteries expand, allowing more blood to flow into the penis, resulting in improved erections and increased length.
This enhancement in erection firmness through increased arterial flow is similar to the mechanism of action for Viagra and Tri-mix injections. In two separate studies, Botox injections were effective for many men who no longer responded to Viagra and Cialis.