P-Shot® vs. Medications for Erectile Dysfunction: What’s the Difference?

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Dr. James D. Fontaine

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5/20/2026

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Erectile dysfunction is a personal issue, and finding the right solution is not always as simple as taking a pill. ED medications work by increasing blood flow in the moment, while the P-Shot uses platelet-rich plasma (PRP) to stimulate tissue regeneration and improve erectile function at a deeper, more lasting level. 

For men who have not had the results they were hoping for with medication, or who are simply looking for a more natural approach, the P-Shot is a compelling alternative. 

At Fontaine MD Aesthetics and Anti-Aging Medicine in San Diego, CA, Dr. James D. Fontaine helps patients address erectile dysfunction symptoms with a personalized, results-driven approach. Call today to schedule a consultation. 

Recognizing the signs of erectile dysfunction 

Erectile dysfunction can show up in different ways, and it's not always a black-and-white issue. You might be experiencing ED if you notice any of the following:  

  • Occasional trouble getting an erection when you want one 
  • A consistent inability to get or keep an erection during sex 
  • A gradual decrease in how firm or long-lasting your erections are 
  • A lower sex drive (libido) 
  • A loss of confidence in the bedroom 

These symptoms can be caused by physical health issues, like heart disease or diabetes, or psychological factors like stress. Even natural aging can play a role. Because there are so many potential causes, it's important to find a treatment that addresses the root of the problem instead of the symptoms. This is where the P-Shot comes in. 

What is the P-Shot? 

So, what is the P-Shot? This injectable treatment uses platelet-rich plasma drawn from the patient's own blood to stimulate tissue repair and regeneration in the penile tissue. During an appointment in San Diego, CA, a small blood sample is drawn, processed to concentrate the growth factors, and injected into targeted areas. 

The growth factors used in the P-Shot encourage new blood vessel formation, improve circulation, and support the health of the tissue responsible for achieving and maintaining firmer erections. 

The P-Shot vs. ED medications 

ED medications work by relaxing the blood vessels and increasing blood flow to achieve an erection, but they require consistent use and do not address the underlying causes of erectile dysfunction symptoms. They can also cause unwanted side effects, like headaches, and they are not appropriate for men taking certain heart medications. For men looking for firmer erections and improved function without the constraints of medication, the P-Shot offers a fundamentally different approach. 

Building a treatment plan around your situation 

During your consultation at Fontaine MD Aesthetics and Anti-Aging Medicine, Dr. Fontaine will take a thorough look at your health history, discuss your erectile dysfunction symptoms, and help you determine whether platelet-rich plasma, ED medications, or a combination of both is the right path forward for your situation. 

Each patient's experience with ED is different, and Dr. Fontaine takes the time to understand yours before making any recommendations. The goal is always to find the approach that delivers the most meaningful and lasting improvement for you specifically. 

Find out if the P-Shot is right for you 

Erectile dysfunction does not have to define your confidence or your relationships, and there are more options available today than most men realize. If you want firmer erections or have questions such as, "What is the P-Shot?", Dr. James D. Fontaine is here with answers at each step. 

At Fontaine MD Aesthetics and Anti-Aging Medicine in San Diego, CA, every treatment plan is built around your health, your goals, and your quality of life. Call today to schedule your consultation.

When I came to Dr. Fontaine several years ago, I was going into early menopause and experiencing so many symptoms. Hot flashes, fatigue, pain, brain fog, and depression that were being dismissed by my regular doctors. Dr. Fontaine was truly a godsend. He listened, took my concerns seriously, and helped me create a plan that worked for my body. Over time, we adjusted my medication, and I now feel 100% better. I’m so grateful for his care and support!

A.H. Google

Louise initially treated me with Botox at an MD clinic I had been using for years. I was so pleased with my results, when she moved to Fontaine MD I followed her even though it was much farther away. Recently, I decided to also get fillers and expressed to her my desire for a very natural and youthful look, and she nailed it! She is a licensed RN with an Art degree therefore she really understands the anatomy and symmetry of the face. She is welcoming, professional, never rushes and very skilled at injecting both Botox and fillers, I highly recommend Louise!I also highly recommend Fontaine MD, great Doctor, and staff in a lovely, serene setting. They were instrumental in aiding me in a 20+ lb weight loss (so easy) and I could not be more grateful. I feel and look so much better and have maintained my new weight. That is not easy for many 60-year-old females.

L.L. Google

Louise is absolutely wonderful to work with! I have seen her for both an IPL facial and Botox (my very first time!). She took the time to answer my questions, address my concerns, and put my mind at ease. I could sense that I was in the hands of someone who was going to take care of me. Louise cares about her clients and their desired outcomes. I have done IPL facials in the past with other providers and the procedures felt very harsh on my skin. With Louise, my skin was not red, bumpy, or painful after and my sunspots were treated effectively! I also trusted Louise with my first Botox experience. Louise made me feel both comfortable and excited about the natural but effective results I was hoping to have! I am thankful I found Louise and will be a returning client!

N.B. Yelp

Louise listened to my skin concerns, made recommendations and completed Botox and filler procedures that that made an amazing difference!

C.T. Google

Before seeing Dr. Fontaine, I had no idea I could feel better. I just assumed that as I got older, low energy, hormonal struggles, and general decline were just part of life—something I had to accept. Looking back, I realize how much I had normalized feeling exhausted, unmotivated, and off-balance. My energy had dipped, my sleep was inconsistent, and no matter what I did, things like weight gain and mood swings seemed unavoidable. I wasn’t in crisis—I just wasn’t thriving. Dr. Fontaine completely changed that. From the first appointment, he took the time to listen, evaluate my symptoms, and explain what was really happening in my body. Seeing my lab results was an eye-opener—I finally had real data that explained why I felt the way I did. Within a couple of months of starting treatment, I started feeling like myself again. My energy improved, my focus sharpened, and I finally started sleeping through the night. Over time, the changes were undeniable—I was stronger, my mood was steady, and I didn’t feel like I was constantly fighting against my own body. Dr. Fontaine has been with me every step of the way, adjusting my treatment as needed and making sure I feel my best. He’s thorough, knowledgeable, and truly invested in his patients' well-being. I never feel rushed in my appointments, and he always takes the time to answer my questions. I didn’t realize how much I was missing out on until I started feeling this good again. Now, I feel like I’ve regained the energy, confidence, and vitality I thought were long gone. I’m beyond grateful to Dr. Fontaine for helping me.

C.M. Google

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