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2026.09.29

What Are the Effects of the G-Shot? Safety Considerations and How to Choose a Specialist Before Consulting a Doctor

宮本 亜希子
Supervising Physician
Board-certified cosmetic gynecologist/ Board-certified obstetrician-gynecologist, Japan Medical Specialty Organization Akiko Miyamoto

After engaging in general obstetrics and gynecology practice, including infertility treatment, perinatal care, and other insured treatments, I decided to shift my career to free practice and gynecological aesthetics, with the hope of “supporting women to enjoy their life as a woman” after my own experience fighting against illness. Today, while still being involved in insured medical care as an obstetrician/gynecologist, I am facing women's health issues based on medical evidence through "real femtec" such as gynecologic plastic surgery, Vaginal Growth® injections, and vaginal hyaluronic acid injections, based on my deep anatomical knowledge and skills. We are a leading provider of gynecological services in Japan.
She is also committed to social activities related to the dissemination of sex education, HPV vaccine awareness, and the improvement of women's quality of life. He is also actively involved in educating the public about medical knowledge, such as writing Chapter 7, "Vaginal Hyaluronic Acid Injection," in his specialty book, "The Basics of Cosmetic Surgery," which is the first book he reads when he becomes a cosmetic surgeon.

Gショットの効果は?相談する前に知っておきたい安全性と専門医の選び方

 

I imagine there are many people who are wondering, “Does the G-Shot really work?” and are looking for a place to consult in Tokyo.

 

First and foremost, I want to emphasize that G-Shot (vaginal hyaluronic acid injections) is not a “magic cure.” It is important to choose the treatment appropriately based on your sexual function and physical condition, and to safely administer a small, carefully adjusted amount to the correct area.

 

While it may help some people achieve better results, it is not suitable for treating urinary incontinence, and choosing the wrong method or doctor can increase the risks.

 

In this article, we’ll break down everything you need to know—in terms that even beginners can understand—including how the G-Shot works, its safety profile, important points to keep in mind before your consultation in Ginza, Tokyo, and how to choose a specialist.

 

By the time you finish reading, you should naturally have a good sense of whether this information applies to your specific concerns and what kind of doctor in Tokyo or Ginza you should consult. This isn’t a sales pitch—we’re here to provide you with the information you need to take that first step with confidence.

 

[Doctor’s Point]

Many advertisements and posts about vaginal hyaluronic acid injections and G-Shot procedures tend to focus only on the positive aspects and make things sound too good to be true, but please don’t be misled by them.

What Is a G-Shot? Definition and Basic Mechanism

The G-Shot is a procedure in which a small amount of hyaluronic acid is injected into the anterior wall of the vagina (on the urethral side) to gently enhance the “sensitive spot,” making it more responsive to touch from a finger or a partner’s penis.

 

It may be easier to understand if you think of the “effect” referred to here not so much as something that directly produces sensitivity itself, but rather as something that helps make the skin more responsive to touch and facilitates the transmission of stimuli.

 

While there is some academic debate regarding the existence and definition of the G-spot, in clinical practice it is often explained from a practical perspective as “causing a specific area of the anterior wall to swell, making contact easier.”

 

Vaginal hyaluronic acid is typically made of a material that gradually breaks down in the body, and it can be dissolved (using hyaluronidase) if necessary.

 

That said, the results vary depending on the injection volume, the injection site, and the condition of each individual’s pelvic floor, so the effects of the G-Shot differ from person to person.

Understanding the Effects and Limitations of the G-Shot

The effect of the G-Shot is to "help make it easier to reach orgasm"; it does not suddenly increase sensitivity if foreplay or physical and mental relaxation are insufficient.

 

In particular, sexual arousal in women is a gradual process, and it takes time for vaginal lubrication, blood flow, and muscle movements to become properly established. It’s helpful to understand that the G-Shot is a procedure designed to support the body’s ability to transmit stimulation more effectively once that “foundation” is in place; this will help keep your expectations realistic.

 

Furthermore, if the primary causes of dryness or pain (dyspareunia) are related to hormones, skin condition, or psychological factors, the G-Shot alone may not be sufficient to address the issue.

 

It is important to consider treatment options tailored to your symptoms, such as moisturizers, hormone therapy, sexual function counseling, and pelvic floor muscle rehabilitation, as needed.

Anatomy of the Clitoris and Basics of Sexual Function: Why Foreplay Is Important—Not Just the G-Shot

The clitoris shares the same embryological origin as the male genitalia, and its functions are also very similar.

 

Not only the clitoral glans, but also tissues such as the clitoral legs and the vestibular bulbs extend to the area surrounding the vagina; during sexual arousal, blood flow to these areas increases, causing them to swell and become more sensitive.

 

For many women, gentle stimulation of the clitoris is what triggers arousal, and it is often difficult to reach orgasm through penetration alone before they are sufficiently aroused.

 

For this reason, rather than thinking that sensitivity suddenly increases just from the G-shot alone, it’s more natural to consider that “when arousal has already built up through foreplay—including stimulation of the clitoris—the front wall is more easily stimulated, making it easier to feel pleasure.”

 

The G-Shot is, at its core, a supplementary treatment that uses a mechanism to "make it easier to achieve orgasm" and is intended to enhance sexual sensation.

Before Considering a G-Shot in Ginza, Tokyo: What You Need to Know First

Because Tokyo has so much information and so many clinics, there are plenty of options to choose from. While the Ginza area tends to have a high concentration of medical facilities specializing in cosmetic procedures, making it easy to find a place for a consultation, it’s important to carefully assess their level of expertise.

 

When seeking counseling in Tokyo or Ginza, be sure to check not only whether the practitioner is skilled at injections but also whether the facility offers comprehensive evaluation of the vagina, pelvic floor, and sexual function.

 

Unfortunately, there are doctors who, although they were previously affiliated with an obstetrics and gynecology department, no longer practice gynecology but present themselves as if they were still active obstetricians and gynecologists, as well as doctors who claim to specialize in women’s health despite having no training in obstetrics and gynecology or female urology.

 

Even in Ginza, Tokyo, this is no exception. It is important to take the initiative to verify specific details, such as the doctor’s area of expertise, their training history, and whether they are currently practicing gynecology and female urology.

Who This Is For / Who Should Consider It Carefully

  • People Who Might Be Suited for This: You can achieve a certain level of arousal through foreplay / You’d like a little help with “hitting the right spot” from the vaginal opening to the anterior wall / You do not have significant prolapse or pelvic organ prolapse / You can approach this with safety as your top priority, without excessive expectations / You have never given birth vaginally

  • People who want to consider this carefully: Postpartum pelvic organ prolapse or sagging / Stress urinary incontinence (which may be accompanied by a hidden cystocele) / Wishes to have the solution injected deep into the vagina because the vaginal canal is wide / Wishes to undergo the procedure as a treatment for urinary incontinence / Has a history of multiple vaginal deliveries

In particular, postpartum urinary leakage (stress urinary incontinence) may be accompanied by a bladder prolapse or other types of prolapse, and treatments such as the G-Shot or vaginal hyaluronic acid injections could potentially worsen the condition.

 

It is safest to have an obstetrician-gynecologist or a female urologist carefully examine you—including the position of your pelvic floor muscles and pelvic organs—to determine whether treatment is appropriate.

Please Do Not Seek Treatment for Urinary Incontinence: Stress Urinary Incontinence and Cystocele

You may come across advertisements claiming that urinary incontinence—particularly stress urinary incontinence caused by coughing or sneezing—can be improved by thickening the anterior vaginal wall with vaginal hyaluronic acid or G-Shots.

 

However, in cases of “cystocele” (a prolapsed bladder) or tissue “prolapse,” the injection can alter the balance of weight and position, which may actually make the condition worse.

 

Administering too many G-shots to people with stress urinary incontinence may accelerate prolapse, and there is concern that this could worsen the condition in people with a bladder prolapse.

 

We recommend that you avoid choosing the G-Shot as a treatment for urinary incontinence and instead first consult an obstetrician/gynecologist or a female urologist to determine the cause and discuss a treatment plan.

Injection Site and Dosage: Key Considerations for Safety

The vagina has a three-dimensional shape resembling the letter "H," and it is normal for the inner part to be wide. During orgasm, the inner part expands even further, while the entrance tends to tighten relatively.

 

In other words, the idea that “since the cavity is wide, we can go deeper” is not appropriate from the perspectives of either safety or rationality. On the contrary, the deeper parts of the cavity are difficult to visualize, and it is also harder to perform procedures there in the event of complications.

 

In particular, the deep regions of the vagina and the areas at the 3 o'clock and 9 o'clock positions on either side are rich in blood flow and are considered to have a relatively high risk of vascular embolism.

 

Injections that spread the solution laterally offer little benefit and only increase anatomical risks, so they should be avoided.

 

Furthermore, the idea of creating an uneven surface toward the back—such as a “herring roe ceiling”—is not very logical when considered in light of the physiological changes in the vagina during orgasm (where the back widens and the front narrows), and therefore cannot be recommended.

 

With safety in mind, G-Shot is carefully adjusted to the absolute minimum necessary, while ensuring adequate visibility and ease of administration. A larger injection volume does not necessarily increase effectiveness; rather, it raises the risk of sagging due to the weight, discomfort, and embolism.

 

Even when consulting in Tokyo or Ginza, be sure to choose a doctor who shares this philosophy of “making subtle adjustments in small increments.”

Don't Choose Non-Absorbable Fillers: Consider Long-Term Risks and the Impact on Pregnancy and Childbirth

Some "long-lasting" non-dissolving injectables (non-absorbable fillers)—even those marketed as hyaluronic acid—may actually be different in nature and can lead to future complications such as infection, blockages, hardening, chronic inflammation, or discomfort.

 

There is a risk that it will be difficult to remove if a problem arises, and that it will not adapt to the changes that occur during pregnancy and childbirth.

 

Even if a facility is staffed by board-certified specialists, it is wise to avoid those that use these injectable treatments.

 

Please choose a doctor who can carefully administer high-quality, absorbable hyaluronic acid, keeping in mind the possibility of dissolving it if necessary.

Estimated Downtime, Pain, and Duration

The level of pain varies from person to person, and we use topical or local anesthesia to manage it.

 

After the injection, you may experience mild swelling or discomfort for a few days, and bleeding is usually minimal.

 

It is generally recommended to abstain from sexual intercourse for a few days to about a week.

 

Although the duration varies depending on the formulation, dosage, and metabolism, my impression is that most people consider it to last anywhere from a few months to about a year.

 

Please consult with your doctor to determine whether a repeat injection is necessary, taking into account how you feel and safety considerations.

How to Choose Wisely Among Other Options

  • Pelvic Floor Muscle Rehabilitation: Even before considering how easily you can reach orgasm, some people find that adjusting the support and coordination of their pelvic floor changes the sensations they experience during intercourse. It’s reassuring to receive guidance from a physical therapist or an OB-GYN who specializes in this type of training.

  • Moisturizing and Hormone Therapy: If dryness or pain is the main cause, start by improving the condition of your skin and mucous membranes. If you are postmenopausal, consult a gynecologist.

  • Sexual Function Counseling: When communication is poor or anxiety is high, the body's natural responses can be inhibited. It can be helpful to have a doctor who specializes in sexual function guide you through the process.

  • Energy Devices: While there are methods that claim to tighten the vagina, suitability and safety vary greatly from person to person, so it’s important to prioritize your doctor’s explanation over exaggerated advertising. Also, since the effects differ depending on the type of laser used, be sure to consult a doctor who can properly select the appropriate treatment.

The key isn’t about which option is better or worse, but whether they’ll work with you to find the choice that’s right for you based on factors such as “current concerns,” “lifestyle,” “safety,” “cost,” and “maintenance frequency.”

 

This approach remains the same even for consultations in Ginza, Tokyo.

FAQs on the Effects of the G-Shot, a Popular Treatment in Tokyo and Ginza

Q. Will I see dramatic results right away?

Results vary from person to person. While some people find that the effects are more noticeable when combined with arousal or foreplay, others may have a harder time detecting any changes. Rather than having excessive expectations, it’s best to prioritize safety and start with a small amount to see how you react.

Q. How does this affect my partner?

There are usually no major changes in appearance. While the way friction is transmitted may change slightly, communication is the most important factor.

Q. How long does it last?

There is some variation depending on the formulation, dosage, metabolism, and individual differences. The duration varies from a few months to about a year, depending on the individual, and maintenance therapy should be considered as needed.

Q. Can I see the "Before & After" photos?

You can view the photos at the clinic, but changes in sensation are also subjective.

 

Even during counseling sessions in Tokyo or Ginza, please prioritize discussions about “what kind of physical sensation you’re aiming for” and “how far adjustments can be made safely” over simply looking at images.

Specialties to Look for When Choosing a Clinic in Ginza, Tokyo

  • We Recommend Obstetricians/Gynecologists and Female Urologists: The ability to comprehensively examine the vagina, pelvic floor, and sexual function is an essential prerequisite. It is desirable to be able to examine the pelvic floor muscles and the position of the pelvic organs.

  • Transparency in Employment History: Be wary of cases where a doctor gives the impression of being a specialist simply because they were once affiliated with an obstetrics and gynecology department—even though they no longer practice gynecology—as well as cases where urologists with limited training in female urology present themselves as experts in women’s health. This can happen even in Tokyo and Ginza.

  • Determining Suitability: Do they carefully assess stress urinary incontinence and cystocele, as well as the presence or absence of postpartum prolapse, and do they share the basic principle that “G-Shots should be avoided for the purpose of treating urinary incontinence”?

  • Choosing Safe Medications: Our policy is not to use non-dissolvable fillers. Have you established a dissolution protocol (hyaluronidase) in case of complications?

  • Quality of Explanations: Can you clearly explain risks such as those in the deep layers or at the 3 o'clock and 9 o'clock positions using anatomical diagrams? Is the patient's expectation management handled carefully, rather than focusing on how the “before and after” results are presented?

When searching in the Ginza area of Tokyo, using the above as a checklist will make it easier to narrow down your options.

The Process from Consultation to Treatment (Illustration)

  1. Medical Interview: Share your concerns, daily life, and expectations. We’ll also go over the stages of sexual function together (foreplay, presence or absence of pain, lubrication, etc.).
  2. medical examination: Evaluate the condition of the vagina, pelvic floor, and pelvic floor muscles. Check for cystocele or prolapse as needed.
  3. Description: We provide detailed information on whether the procedure is appropriate for you, the injection site and volume, safety, downtime, and estimated costs. We also confirm our policy of not performing this procedure for the treatment of urinary incontinence.
  4. treatment: Adjust in small increments under sterile conditions. Make minor adjustments within safe limits.
    Aftercare: We’ll explain how to take care of yourself for the next few days to a week and when to schedule a follow-up visit. Since how you feel may vary from person to person, don’t rush—just wait and see how things go.

Aligning Expectations Regarding the "Before & After" Concept

The G-Shot is not a procedure designed to produce dramatic visual changes.

 

It is not appropriate to evaluate “Before & After” results based solely on the “difference in the photos.” Instead, it is better to reflect on your personal experience over a period of several weeks to several months, focusing on factors such as “how easily you can stick to it,” “how little it feels out of place,” and “whether you can continue safely.”

 

Even when seeking advice in Tokyo or Ginza, please prioritize long-term safety and peace of mind over short-term “Instagrammability.”

Common Misconceptions and Points to Keep in Mind When Seeking Consultation in Ginza, Tokyo

  • "Spacious in the back" = Can you go all the way to the back?: It is natural for the interior to be spacious, and it expands even further during arousal. Deep injection is not recommended because it offers poor visibility and makes it difficult to manage complications such as embolism.

  • Should I put it horizontally?: The vagina is H-shaped. The 3 o'clock and 9 o'clock positions have abundant blood flow, which increases the risk. Lateral injection is highly dangerous and offers little benefit.

  • Can Urinary Incontinence Be Cured?: This should not be used to treat stress urinary incontinence. If an underlying bladder prolapse or prolapse is present, the condition may worsen.

  • No foreplay needed?: Generally speaking, if the clitoris isn't sufficiently aroused, it's difficult to experience pleasure from penetration alone. The G-spot is intended as a supplementary technique to help “hit the spot” when used in conjunction with foreplay.

If you understand these points, the necessary questions should come naturally even during counseling sessions in Tokyo or Ginza.

Summary

While the G-Shot may gently boost your chances of success, it is not a cure-all.

 

It is not particularly suitable for treating urinary incontinence, and in patients with stress urinary incontinence, bladder prolapse, or postpartum prolapse, the injection may cause the condition to worsen.

 

The vagina is H-shaped, and deep injection into the back or at the 3 o'clock and 9 o'clock positions carries a high risk of embolism and is not recommended, as it is not a reasonable approach.

 

Non-dissolving fillers carry significant long-term risks, so it is safer to avoid them.

 

If you’re looking for a doctor in Ginza, Tokyo, we recommend specialists such as obstetricians and gynecologists or female urologists—physicians who can comprehensively evaluate the vagina, pelvic floor, and sexual function, accurately determine the appropriate treatment, and safely adjust the dosage using small amounts.

 

Be sure to check for transparency in their background and the thoroughness of their explanations, as well as their commitment to avoiding procedures intended solely to treat urinary incontinence. Don’t get caught up in the “appearance” of “Before & After” photos—make your personal experience and safety your top priority.

Advice

If you're unsure whether this is right for you, start by consulting a specialist. Don't limit yourself to Tokyo or Ginza—find a specialist near you who is knowledgeable about women's health and have a calm, open conversation with them.

 

A doctor who works with you to find solutions—rather than just giving strong recommendations—will surely be a reassuring partner.

 

▷G-Shot (Hyaluronic Acid Injection for Increased Sensitivity) Treatment Page

▷ Counseling Appointment Page

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