Platelet-rich plasma (PRP) therapy has transformed the landscape of regenerative medicine, and its application for erectile dysfunction — commonly known as the P-Shot — is among the most promising developments in men's sexual health. At INTIMÉ Miami, Dr. David Robbins offers PRP therapy as part of a comprehensive approach to restoring erectile function using the body's own healing mechanisms. Here is everything you need to know about how it works.
What Is Platelet-Rich Plasma?
Platelet-rich plasma is a concentration of platelets derived from your own blood. Platelets are best known for their role in clotting, but they also contain hundreds of bioactive proteins called growth factors. These growth factors play a crucial role in tissue repair, cellular regeneration, and the formation of new blood vessels. When PRP is injected into damaged or aging tissue, it jumpstarts a natural healing process that the body might not initiate on its own.
PRP therapy has been used successfully in orthopedics, sports medicine, dermatology, and dentistry for decades. Its application in sexual medicine represents a natural evolution of this proven regenerative approach.
How Does the P-Shot Work for ED?
The P-Shot (Priapus Shot) involves injecting PRP directly into specific areas of the penis to stimulate tissue regeneration and improved blood flow. The procedure follows a carefully designed protocol:
Step 1: Blood Draw
A small amount of blood is drawn from your arm, similar to a routine lab test. This typically requires about 30 to 60 milliliters of blood.
Step 2: PRP Preparation
The blood sample is placed in a specialized centrifuge that separates it into its components. The platelet-rich layer is isolated and concentrated, resulting in a PRP solution that contains three to five times the normal concentration of growth factors found in whole blood.
Step 3: Numbing
A topical anesthetic cream is applied to the penis, followed by a local nerve block to ensure the procedure is virtually painless. Most patients report minimal to no discomfort during the injection.
Step 4: PRP Injection
Using a fine needle, Dr. Robbins carefully injects the concentrated PRP into targeted areas of the penile shaft and glans. The growth factors immediately begin their work, signaling the body to repair tissue, generate new blood vessels, and improve cellular function in the erectile tissue.
What Growth Factors Are at Work?
PRP contains a complex mixture of growth factors, each contributing to the regenerative process. Key among them are platelet-derived growth factor (PDGF), which stimulates cell proliferation and blood vessel formation; vascular endothelial growth factor (VEGF), which promotes the growth of new capillaries; transforming growth factor-beta (TGF-B), which regulates tissue repair and reduces inflammation; and epidermal growth factor (EGF), which supports cell growth and differentiation. Together, these factors create a powerful regenerative environment that improves blood flow, tissue health, and nerve sensitivity in the penile tissue.
What Results Can You Expect?
PRP therapy produces gradual, cumulative improvements rather than instant results. Most patients begin to notice changes within two to four weeks after treatment, with optimal results developing over three to six months as new blood vessels form and tissue regeneration progresses. Reported benefits include:
Improved erectile quality: Firmer, more reliable erections due to enhanced blood flow and tissue health.
Increased sensitivity: Many patients report heightened penile sensation and greater sexual pleasure.
Enhanced size: Some patients experience a modest increase in girth as tissue regeneration improves the overall quality and volume of penile tissue.
Better response to other treatments: PRP can improve the effectiveness of PDE5 inhibitors (like Viagra or Cialis) for men who find that medications alone are not sufficient.
Who Is a Good Candidate?
PRP therapy is suitable for a wide range of men experiencing erectile dysfunction, including those with mild to moderate ED, men who want to reduce their dependence on medications, patients seeking to enhance their response to other treatments like shockwave therapy, and men looking for a natural, drug-free approach to improving sexual performance.
Because PRP uses your own blood, there is virtually no risk of allergic reaction or rejection. The procedure is not recommended for men with active blood disorders, certain cancers, or platelet dysfunction syndromes.
PRP as Part of a Comprehensive Treatment Plan
At INTIMÉ Miami, PRP therapy is often combined with other regenerative treatments for enhanced results. A popular protocol pairs the P-Shot with low-intensity shockwave therapy, creating a synergistic effect: shockwave therapy stimulates the initial cellular response and creates a receptive environment, while PRP delivers concentrated growth factors to accelerate and amplify the regenerative process. Some patients also benefit from adding exosome therapy to further enhance tissue repair at the cellular level.
What to Expect During Recovery
Recovery from the P-Shot is minimal. Most patients return to normal activities the same day. Mild swelling or bruising at the injection site may occur but typically resolves within 24 to 48 hours. Sexual activity can usually be resumed within 24 to 48 hours as well. There is no downtime and no systemic side effects since the treatment uses your own biological material.
Schedule Your Consultation
If you are interested in exploring PRP therapy for erectile dysfunction, schedule a confidential consultation at INTIMÉ Miami. Dr. Robbins will evaluate your condition, discuss your goals, and determine whether the P-Shot — alone or in combination with other therapies — is the right approach for you.
Written by Dr. David Robbins — Board-Certified Urologist and Medical Director of INTIMÉ Miami. Dr. Robbins specializes in sexual medicine, cosmetic urology, and regenerative therapies for men's health.