P-Shot Results: Success Rate, Timeline, and Who It Works Best For

✅ Medically reviewed by Mr Syed Nadeem Abbas, MBBS, MRCSEd, MSc (Distinction) | Updated July 2026

Curiosity brought you here, and honesty will keep you reading. Somewhere between a late-night search and a hesitant click, you landed on a question that thousands of UK men quietly type into Google every month: does the P-Shot actually work, and if so, how quickly? You have probably scrolled past glossy before-and-after photos and bold promises of permanent transformation. This article skips the hype and gives you the straight answer instead — grounded in clinical evidence, doctor-led experience, and a transparent look at timelines, pricing, and suitability.

The Priapus Shot, better known as the P-Shot, uses your own platelet-rich plasma (PRP) to support blood flow, tissue repair, and nerve sensitivity in the penile area. It sounds almost too simple: draw blood, spin it, inject it. Yet the biology behind it draws on decades of regenerative medicine already proven in orthopaedics and wound care. The real question is not whether PRP works in the body — it is whether it works for you. That depends on your age, your underlying cause, and how your body responds to its own growth factors. Let us break it down properly.

What Does “Success” Actually Mean With the P-Shot?

Success looks different for every patient, which is exactly why vague marketing claims do a disservice to men researching this treatment. For some, success means firmer erections. For others, it means regaining sensitivity lost after prostate surgery, or reducing the curvature caused by Peyronie’s disease. A single percentage figure cannot capture that variation, so any article promising one universal “success rate” oversimplifies a genuinely individual process.

Clinical interest in PRP for male sexual health has grown steadily, and a randomised, double-blind, placebo-controlled study published in the Journal of Sexual Medicine (Poulios et al., 2021) recorded a clinically significant improvement in erectile function scores at the six-month mark. That single data point matters, but doctors still treat PRP as a developing field rather than a guaranteed fix. Genuine practitioners tell you this upfront instead of promising miracles.

Why Individual Results Vary So Much

Three factors drive most of the variation in outcomes: the underlying cause of the concern, the quality of the PRP used, and the skill of the person performing the injections. Men with mild to moderate vascular-related erectile dysfunction tend to respond most consistently, while more complex cases — post-surgical changes, advanced Peyronie’s disease — need a more cautious, individualised conversation before treatment even begins.

P-Shot Timeline: What Happens Week by Week

Understanding the realistic timeline stops men from giving up too early or expecting overnight change. PRP does not act like medication; it triggers a biological repair process that unfolds gradually as new blood vessels form and nerve fibres regenerate.

Week 1 to 2 — Early Settling
The treated area settles down. Some men notice a subtle increase in sensitivity almost immediately, though visible signs of the procedure rarely appear. Doctors generally advise abstaining from sexual activity for four to five days to let the tissue recover properly.

Week 4 — First Changes Emerge
This is often when patients start noticing something different. Sensitivity frequently increases, and some men report firmer morning erections as the angiogenic process — the formation of new blood vessels — actively progresses beneath the surface.

Weeks 8 to 12 — The Main Results Window
Most patients see their most noticeable improvements during this stretch. Firmness, sensitivity, and confidence commonly peak here, and men treated for Peyronie’s disease may notice reduced curvature or discomfort during this same window.

12 Months and Beyond — Sustained Results
Results typically last 12 months or longer, though this varies by age, circulation, and lifestyle. Many men choose an annual maintenance session rather than waiting for results to fade completely.

Who Gets the Best P-Shot Results?

Not every man responds the same way, and pretending otherwise would be misleading. Honest clinics tell you who is likely to benefit and who probably should not proceed — a distinction many competitor websites gloss over entirely.

Strong Candidates

Men with mild to moderate erectile dysfunction, particularly where reduced blood flow plays a role, tend to respond best. The same applies to men who have not responded well to PDE5 inhibitors like Viagra or Cialis, or who simply prefer to avoid long-term medication. Patients with early-stage Peyronie’s disease, reduced sensitivity linked to ageing, and men recovering from certain post-surgical changes may also see meaningful benefit, assessed case by case.

Who Should Think Twice

The P-Shot is not appropriate for everyone. Men with active genital infections, bleeding disorders, or platelet dysfunction should not proceed. The same caution applies to patients currently on anticoagulant therapy without medical clearance, those undergoing active pelvic cancer treatment, and anyone with a known allergy to local anaesthetics. A responsible clinic will turn away unsuitable candidates rather than take their money.

The Science Behind the Numbers

PRP works through four overlapping biological processes, and understanding them helps explain why results build gradually rather than instantly.

Angiogenesis stimulates the formation of new capillary networks, delivering more oxygenated blood to the tissue responsible for erection quality. Collagen and elastin production strengthens the corpora cavernosa — the spongy chambers that fill with blood during arousal — which may support both firmness and girth over time. Neurogenesis encourages nerve fibre repair, often the source of the most meaningful change for men who have lost sensation through age, surgery, or medication side effects. Finally, PRP’s well-documented anti-inflammatory action helps reduce scar tissue and plaque formation, which is particularly relevant for Peyronie’s disease and lichen sclerosus.

Why Processing Quality Changes the Outcome

Not all PRP is equal. A dual-spin centrifuge protocol concentrates platelets to a significantly higher level than standard single-spin processing, and that concentration directly affects how much growth factor activity reaches the treated tissue. This single technical detail is often the difference between a mediocre result and a meaningful one, yet it rarely gets explained on competitor pages.

What Happens During a P-Shot Appointment

A full appointment typically runs 30 to 45 minutes, with no need to arrange time off work or transport home afterwards. The process starts with a topical numbing cream, or a penile nerve block on request for men with a lower pain threshold. A small blood sample gets drawn from the arm, similar to a routine blood test, and goes into a medical-grade centrifuge for roughly 15 minutes of processing. The doctor then draws the concentrated plasma into fine syringes and administers the injections directly, typically across four to five precise sites depending on individual anatomy and goals.

Recovery and Aftercare

Most patients return to driving, work, and normal daily activity immediately. Minor swelling or localised sensitivity can occur for 24 to 48 hours, which resolves on its own. Doctors typically schedule follow-up reviews at six and twelve weeks to track progress and discuss whether a second session or complementary protocol would help.

P-Shot Pricing in London

Transparent pricing matters, especially in a treatment category where “price on consultation only” listings are common. At Dr SNA Clinic, based at 48 Wimpole Street, Marylebone, London W1G 8SF, the Standard P-Shot starts from £1,250, using the dual-spin PRP protocol described above. An Enhanced P-Shot combined with low-intensity shockwave therapy is available from £1,350, recommended where vascular factors play a major role in erectile dysfunction. Every package includes a consultation, the injection procedure performed personally by the treating doctor, and both the six-week and twelve-week follow-up reviews. 0% finance is available for patients who prefer to spread the cost, and the clinic operates from 10:00 to 18:00 UK time.

Comparing the P-Shot to Other Options

Against penile implants costing £8,000 to £15,000 with four to six weeks of downtime, or ongoing PDE5 medication with effects lasting only four to six hours, the P-Shot sits in a distinct category: a single autologous procedure with no downtime and results reported to last 12 months or longer on average.

Watching the Procedure Explained

Reading about a procedure only goes so far. For men who prefer to see the process explained directly by a treating physician, Dr SNA Clinic’s YouTube channel walks through the P-Shot step by step, from blood draw to injection technique, in plain language.

Where to Have Your P-Shot Done

Choosing where to have this procedure done matters more than most men initially realise. The practitioner’s hands-on experience, the quality of the PRP processing, and the honesty of the consultation all directly shape the outcome. At Dr SNA Clinic, every injection is carried out personally by a GMC-registered doctor with specialist P-Shot certification from the American Cellular Medical Association, working from a CQC-regulated clinic in Marylebone. If you would like to explore whether this PRP-based treatment for male sexual health suits your situation, a consultation is the natural first step, with no obligation to proceed. You can also reach the clinic’s booking page directly to check availability.

Frequently Asked Questions

How soon will I notice P-Shot results?
Most men report early changes around week four, with the fullest results typically appearing between weeks eight and twelve.

Does the P-Shot hurt?
Topical numbing cream reduces most discomfort to a mild pressure sensation. A nerve block is available for men with lower pain tolerance.

How long do results last?
On average, benefits persist for 12 months or longer, depending on age, circulation, and lifestyle factors.

Can I combine the P-Shot with other treatments?
Yes. Combining it with shockwave therapy may enhance vascular response, particularly where blood flow is the primary concern.

Is the P-Shot painful compared to other injections?
Most patients describe it as comparable to a standard injection, made more tolerable with numbing cream or a nerve block.

Final Thoughts

The P-Shot will not work identically for every man, and any source claiming otherwise is worth questioning. What the evidence does support is a gradual, biologically grounded process — one that rewards realistic expectations, a skilled practitioner, and properly processed PRP. If you are weighing this treatment, priorities a clinic that gives you an honest assessment over one that promises guaranteed results.

For More Information

P Shot and Premature Ejaculation: Can PRP Help?

P Shot vs Shockwave Therapy for ED: Which Should You Choose?