The O-Shot typically lasts between 12 and 18 months, with some women reporting benefits for up to two years. Results don’t appear overnight, though. Most women notice initial changes within a few days to a few weeks, with full effects developing over three to four weeks as the injected material stimulates tissue repair.
How the O-Shot Works
The O-Shot uses platelet-rich plasma (PRP), a concentrated portion of your own blood that’s rich in growth factors. A small blood draw is spun in a centrifuge to separate the platelets, which are then injected into vaginal tissue. These growth factors promote tissue repair, stimulate new blood vessel formation, and reduce inflammation. The idea is that this regeneration improves sensitivity, arousal, lubrication, and in some cases urinary control.
Because the treatment relies on your body’s own healing response rather than an external substance, the timeline and intensity of results vary from person to person. The PRP essentially kicks off a repair process that builds gradually, which is why effects aren’t immediate.
When Results Appear
Some women notice changes within a few days of the procedure. For most, it takes three to four weeks before the full effects are noticeable. This delay reflects the time your body needs to generate new tissue and blood vessels in response to the growth factors.
Minor side effects during this early period are common and short-lived. Light spotting can occur at the injection site, and a feeling of fullness in the vagina typically lasts one to three days. Some women experience mild swelling that temporarily affects their urine stream, but this resolves on its own within a few days. No significant downtime is required.
How Long Effects Last
For most women, the benefits hold for 12 to 18 months. The range is wide because individual biology plays a significant role. Some women find that results begin to fade around the one-year mark, while others maintain noticeable improvement closer to two years.
To keep results consistent, many providers recommend repeat treatments every four to six months. This maintenance schedule is more frequent than the total duration of the shot’s effects because the goal is to build on previous results rather than waiting for them to fully wear off. Some women space treatments further apart once they’ve had a few sessions, depending on how their body responds.
What Affects How Long It Lasts
Several factors influence the duration of your results. Age matters: younger women tend to experience longer-lasting effects, likely because their bodies produce a stronger healing response to the PRP. Overall health plays a role too. Women who exercise regularly and eat a balanced diet tend to maintain results longer, in part because physical activity improves blood circulation to the treated area, supporting the tissue regeneration the shot is designed to trigger.
Hormonal status can also make a difference. Women going through menopause or experiencing hormonal changes may find that results don’t last as long, since lower estrogen levels already contribute to vaginal tissue thinning. Smoking and chronic health conditions that impair circulation or healing can similarly shorten the window of benefit.
What the Research Actually Shows
It’s worth knowing that the scientific evidence behind the O-Shot is still limited. A randomized controlled trial published in 2024 found that women treated with PRP showed greater improvement in sexual function scores at six weeks compared to a control group, with gains in desire, arousal, lubrication, and orgasm. At six months, the difference between the PRP group and the control group had narrowed, and the improvements in individual categories like arousal and satisfaction were not statistically significant compared to placebo.
A review of 18 clinical trials evaluating PRP for female sexual dysfunction found that only a third of those trials had been completed, and just three had published results with consistent evidence supporting safety and efficacy. Notably, none of the completed studies found statistically significant improvements in sexual satisfaction or arousal specifically. The review concluded that while PRP appears safe and shows some promising outcomes for conditions contributing to sexual dysfunction, the marketing claims around improved sexual satisfaction outpace what the current evidence supports.
This doesn’t mean the O-Shot doesn’t work for anyone. Many women report subjective improvements, and the procedure has a strong safety profile. But the gap between marketing and published clinical data is real, and it’s something to weigh when deciding whether the cost of repeat treatments is worthwhile for you. Larger, longer-term studies are still needed to establish PRP as an accepted therapy for sexual function concerns.
Cost Considerations for Repeat Treatments
Because the O-Shot is considered an elective procedure, it isn’t covered by insurance. Individual treatments typically range from $1,200 to $2,000 depending on the provider and location. If you follow the commonly recommended maintenance schedule of every four to six months, annual costs can add up quickly. Some providers offer package pricing for multiple sessions, so it’s worth asking about this upfront. Understanding the maintenance timeline before your first treatment helps you plan realistically for the ongoing investment.