If sex is painful or impossible, you are not imagining it, you are not unusual, and it is not your fault. Vaginismus is an involuntary tightening of the pelvic floor muscles — your body does it without your permission, and no amount of trying to relax makes it obey.

It is common, it is well recognised, and in most women it is treatable.

What vaginismus is

When penetration is attempted — during sex, when inserting a tampon, or during a gynaecological examination — the muscles around the entrance to the vagina tighten involuntarily. This can make penetration painful, or impossible, and many women describe a sensation of hitting a wall.

The tightening is a reflex, like blinking when something comes near your eye. Understanding that is important, because women often blame themselves for not being relaxed enough.

Painful sex from other causes

Not all sexual pain is vaginismus. Other causes include:

  • Infections such as thrush — see our guide to vaginal candidiasis
  • Endometriosis, which typically causes deep pain rather than pain at the entrance
  • Vaginal dryness — after childbirth, while breastfeeding, or after the menopause
  • Skin conditions affecting the vulva
  • Scarring after childbirth or surgery
  • Pelvic infection

Where the pain is at the entrance and penetration feels blocked, vaginismus is likely. Where it is deep inside, another cause is more likely. The two can also occur together — pain from any cause can lead to protective muscle tightening that then persists after the original problem is treated.

What contributes to it

  • Anxiety or fear about sex or pain
  • A previous painful experience, including a difficult examination or delivery
  • Little or negative information about sex growing up
  • Beliefs learned about sex being shameful or dangerous
  • Previous trauma
  • An untreated physical problem that started the cycle

Often no single cause is identified, and treatment works regardless. You do not need to explain why it began in order to be helped.

Getting assessed

We know this is a hard conversation to start — particularly here, where sexual difficulties are rarely discussed openly. Many women wait years, and some come only when they are trying to conceive. You do not have to wait that long, and you will not be judged.

Assessment begins with talking, not examining. When an examination is appropriate, it goes at your pace, with your permission at every step, and it stops when you say stop.

If a full examination is not possible at first, that is expected. It is information, not a failure, and it does not prevent treatment from starting.

Treatment

Most women improve substantially. Treatment usually combines several elements rather than relying on one.

Education and understanding

Simply understanding what is happening — that this is a reflex, not a choice — relieves a great deal of the anxiety that feeds the cycle. This is a genuine part of treatment.

Pelvic floor exercises

Learning to recognise, tighten and then consciously release the pelvic floor muscles gives you a degree of control over muscles that currently act on their own.

Graded dilators

This is the mainstay of treatment and it works well. A set of smooth cylinders in gradually increasing sizes is used, starting with one small enough to cause no distress at all.

You use them yourself, in private, at your own pace, with lubricant — typically for a short period several times a week. You stay at each size until it is genuinely comfortable before moving up. Nobody rushes you.

Expect this to take weeks to months, not days. Progress is usually steady rather than dramatic, and knowing that in advance stops it feeling like failure.

Psychological therapy

Cognitive behavioural therapy and sex therapy help with the anxiety, anticipation and avoidance that maintain the problem. Where there is a history of trauma, therapy addresses that directly. Involving your partner is often valuable.

Treating any physical cause

Infection, dryness, skin conditions or endometriosis are treated in their own right. Where dryness is the issue, lubricants and sometimes local oestrogen help considerably.

Botox injection

In resistant cases that have not responded to dilators, physiotherapy and psychological treatment, botulinum toxin (Botox) can be injected into the pelvic floor muscles to reduce the involuntary spasm and allow the other treatments to work.

This is an alternative to surgery in difficult cases, and is not routinely done. It is not a first step, and the great majority of women never need it. It is mentioned here so that women who have not improved with standard treatment know that further options exist.

What surgery is and is not for

To be clear, because this is often misunderstood: surgery does not treat vaginismus. The problem is muscular and involuntary, not structural, and an operation does not fix it.

Surgery has a role only where there is a specific physical abnormality — certain scarring, or an anatomical variation — found on examination. That is a different situation, and your doctor will tell you plainly if it applies to you.

For partners

This is not rejection, and it is not something she is choosing. Pressure, however gently meant, makes the reflex worse. Patience, and being willing to attend appointments together, genuinely helps.

The bottom line

Vaginismus is an involuntary reflex, not a failure to relax, and it responds well to treatment — usually graded dilators, pelvic floor work and psychological support, over weeks to months. Botox is available for resistant cases as an alternative to surgery, but is not routine. Please do not wait years to raise it.

References

  1. National Health Service. Vaginismus [Internet]. NHS; [cited 2026 Jul 22]. Available from: https://www.nhs.uk/conditions/vaginismus/
  2. Royal College of Obstetricians and Gynaecologists. Patient information leaflets [Internet]. London: RCOG; [cited 2026 Jul 22]. Available from: https://www.rcog.org.uk/for-the-public/browse-our-patient-information/
  3. Pacik PT, Geletta S. Vaginismus treatment: clinical trials follow up 241 patients. Sex Med. 2017;5(2):e114–e123.