Pain during sex is common — and almost always treatable
Let's start by retiring the worst advice in the genre: "just relax," "have a glass of wine," "it gets better with practice." Pain during sex is one of the most under-reported, under-treated problems in all of healthcare — not because it's untreatable, but because generations of people were taught it was normal, shameful, or theirs to endure. It is none of those. Here's the map.
Pain at the entrance
- Friction pain — the arousal gap. The single most common cause. Physical arousal (lubrication, tissue relaxation, expansion) takes longer than most encounters allow it — often 15–20 minutes, not 3. If pain is burning or raw and shows up early, the first-line fix costs nothing: dramatically more warm-up time, plus a good lubricant even if you don't think you need one. Lube is an upgrade, not an admission.
- The wall — vaginismus. If penetration of any kind (including tampons or a finger) hits what feels like a closed door, plus burning or panic, the pelvic floor muscles may be clenching involuntarily — a reflex, not a choice, and emphatically not "in your head." The gold-standard treatment is pelvic floor physical therapy: specialist physios treat this successfully all the time, often combined with dilator work at your own pace. Success rates are genuinely high.
- Skin-level pain — infections and dermatology. Thrush, bacterial imbalances, some STIs, and skin conditions like lichen sclerosus cause burning, itching, or fissuring. These need a look and a swab, not guesswork — treatment is usually straightforward once named. Persistent unexplained vulvar burning with no visible cause has its own name (vulvodynia) and its own treatment ladder; a clinician who takes it seriously is the entry requirement.
Pain deep inside
Deep, positional pain — a bruised or stabbed feeling on thrusting, often worse in some positions — points to different suspects: endometriosis, adenomyosis, ovarian cysts, pelvic inflammatory disease from untreated infections, or simply a cervix that certain angles bother. Two practical notes while you arrange an appointment: positions where you control depth and angle (you on top, or adjusting with a pillow) often help immediately, and a symptom diary — when, where, which positions, cycle timing — turns a vague complaint into a fast diagnosis.
Hormonal chapters
Estrogen keeps vaginal tissue thick, elastic, and self-lubricating. When it drops — menopause and perimenopause, breastfeeding, some contraceptives — tissue gets drier and more fragile, and sex that was comfortable for decades can start to hurt. This is among the most treatable causes on this page (moisturizers, lubricants, and highly effective local estrogen that a clinician can prescribe), and among the least discussed. Our sex and menopause guide goes deeper, and sex as you age covers the wider picture.
Pain in people with penises
Less talked about, just as real: a tight foreskin that hurts on erection (phimosis — treatable with steroid cream, stretching, or minor surgery), a new bend or pain in the shaft (Peyronie's disease — see someone early, it's most treatable at the start), burning after ejaculation (often prostatitis — very treatable), or skin reactions to latex or a partner's products. The same rule applies: recurring pain is a clinic visit, not a personality trait.
The spiral, and how to exit it
Pain has a cruel feedback loop: one painful experience teaches the body to brace next time; bracing kills arousal and tightens muscles; sex hurts more; repeat. Exiting the spiral means taking painful acts off the menu entirely for a while — not soldiering on with gritted teeth — and rebuilding with things that feel good, at whatever pace the body actually accepts. A partner worth having will hear "this hurts, let's do other things while I sort it out" as the useful information it is. If saying that sentence feels impossible, that's a communication problem worth its own attention.
When to see a clinician
Book an appointment if pain recurs across multiple encounters, shows up with tampons or exams too, comes with bleeding after sex, unusual discharge, or pelvic pain outside of sex — and today if pain is severe and sudden. Say the sentence exactly: "Sex hurts, it's [entrance/deep], it's been [duration]." If a clinician shrugs it off with "that's normal" — a thing that unfortunately still happens — the correct response is a different clinician, and if available, a referral to a pelvic pain specialist or pelvic floor physio.
Sources
- American College of Obstetricians and Gynecologists. When sex is painful — FAQs.
- NHS. Why does sex hurt?.