Pain during sex is surprisingly common, affecting roughly 7 to 15 percent of women at any given time, with some surveys putting the number even higher. It is not something you should write off as normal or just push through. The pain has a real, identifiable cause in nearly every case, and most of those causes are treatable once you know what’s going on.
The medical term is dyspareunia, but the experience varies enormously from person to person. Pain at the entrance feels completely different from deep internal aching, and those two types of pain point to very different underlying problems. Understanding where and when you feel the pain is the single most useful starting point for figuring out what’s happening.
Pain at the Entrance vs. Deep Pain
If the pain hits right at the vaginal opening, during initial penetration or even from tampon use, the most likely culprits involve the skin, nerves, or muscles at the surface. This includes dryness, infections, skin irritation, or conditions affecting the nerve endings in the vulvar tissue. If the pain is deeper, felt more in the pelvis or lower abdomen during thrusting, it usually points to something happening further inside: inflammation, endometriosis, or scar tissue affecting the uterus and surrounding structures.
Some people experience both. Paying attention to exactly when and where it hurts, whether it’s a burning sensation, a sharp sting, a dull ache, or a feeling of pressure, gives you and a healthcare provider the clearest path to an answer.
Dryness and Tissue Changes
Insufficient lubrication is one of the most common and most fixable causes of painful sex. Without enough moisture, friction against the vaginal walls creates a raw, burning sensation that can persist for hours afterward. Dryness can happen for straightforward reasons: not enough arousal time, stress, certain medications (especially antihistamines and some antidepressants), or dehydration.
Hormonal shifts cause a more persistent form of dryness. When estrogen levels drop, whether from breastfeeding, certain birth control methods, or menopause, the vaginal lining becomes thinner, less stretchy, and produces less natural lubrication. The vaginal canal can actually narrow and shorten. The acid balance changes too, making the tissue more fragile and easily irritated. For many people, reduced lubrication during sex is the very first sign of these changes.
A good lubricant helps enormously. Silicone-based lubricants last longer and tend to be less irritating than water-based options, which sometimes contain high salt concentrations that sting sensitive tissue. If you’re prone to yeast infections, avoid lubricants with glycerin, a common ingredient in flavored products. Parabens, used as preservatives in many brands, also irritate some people. Oil-based lubricants break down condoms and aren’t a great choice for vaginal use. For hormonal dryness that doesn’t respond to lubricant alone, topical estrogen therapy can restore the tissue over time.
Pelvic Floor Muscle Problems
Your pelvic floor is a hammock of muscles stretching across the base of your pelvis. These muscles need to relax and stretch to allow comfortable penetration. When they’re chronically tight or in spasm, penetration feels like hitting a wall, or it triggers a sharp, clenching pain.
Vaginismus is an involuntary tightening of the vaginal muscles, often triggered by fear of pain or past trauma. The key word is involuntary: it’s not something you’re choosing to do, and you can’t simply will yourself to relax. Even people who genuinely want to have sex and feel mentally ready can experience this reflex. Treatment typically combines pelvic floor physical therapy, where a specialist teaches you to identify and release tension in those muscles, with gradual desensitization using vaginal dilators of increasing size. Talk therapy or work with a sex therapist can address the anxiety and fear that feed the cycle. Improvement usually takes several weeks to months, but the success rates are high.
Pelvic floor dysfunction can also develop after childbirth, surgery, chronic constipation, or prolonged stress. You don’t need a history of trauma for these muscles to become problematic.
Nerve Sensitivity and Vulvodynia
Some people experience burning, stinging, or raw soreness at the vulva that makes any contact painful, not just sex. When this pain lasts three months or longer without an obvious cause like an infection or skin condition, it’s classified as vulvodynia. The pain can be constant or only triggered by touch (provoked vulvodynia), and it can be localized to one spot, often the vestibule right around the vaginal opening, or spread across the entire vulvar area.
Diagnosing vulvodynia involves ruling out everything else first. A provider will typically do a cotton swab test, gently pressing different areas of the vulva to map exactly where the pain is and how severe it is at each spot. This helps distinguish it from infections, skin disorders, or other identifiable causes. Treatment is individualized and can include topical medications, pelvic floor therapy, nerve-targeting medications, or a combination.
Endometriosis and Internal Inflammation
Deep pain during sex, the kind that feels like something is being pushed or hit inside, often points to endometriosis. In this condition, tissue similar to the uterine lining grows outside the uterus. It frequently attaches in the space between the vagina and the rectum, called the cul-de-sac. Normally, the upper vagina expands and shifts during intercourse. When endometriosis is present, inflammation and scar tissue fuse the front wall of the rectum to the back wall of the vagina, making that normal movement painful.
Endometriosis pain tends to be position-dependent: certain angles or depths of penetration are much worse than others. It often correlates with painful periods, but not always. Diagnosis can be difficult because the tissue doesn’t always show up on standard imaging.
Infections That Cause Pain
Yeast infections, bacterial vaginosis, and urinary tract infections can all make sex painful, usually with a burning quality. These are generally easy to identify because they come with other symptoms: unusual discharge, itching, odor, or urinary discomfort.
Sexually transmitted infections like chlamydia and gonorrhea can cause pain too, especially if they progress to pelvic inflammatory disease (PID), an infection that spreads to the uterus, fallopian tubes, or ovaries. PID causes deeper pelvic pain during sex along with potential bleeding. Left untreated, it creates scar tissue that can cause long-term pelvic pain even after the infection clears. Because chlamydia and gonorrhea are frequently asymptomatic in their early stages, infection is worth ruling out even if you don’t have obvious symptoms.
What a Medical Evaluation Looks Like
If painful sex is persistent, a pelvic exam is the first step. Your provider will look for visible signs of irritation, infection, or anatomical issues, and will gently press on different areas of the genitals and pelvic muscles to locate the source of pain. A speculum exam allows a visual check of the vaginal walls and cervix. Depending on what the exam suggests, you might also have a pelvic ultrasound to look at internal structures.
Being specific about your pain makes a real difference in getting the right diagnosis. Think about whether the pain is at the surface or deep inside, whether it happens with every attempt or only in certain positions, whether it started suddenly or gradually, and whether it’s accompanied by burning, aching, or sharp sensations. These details help narrow down the cause faster than any single test can.
Why You Shouldn’t Push Through It
Continuing to have painful sex doesn’t just hurt in the moment. It trains your nervous system and pelvic muscles to anticipate pain, which makes the muscles tighten reflexively before penetration even happens. Over time, this creates a self-reinforcing cycle: pain causes tension, tension causes more pain, and the anxiety of expecting pain makes everything worse. Breaking that cycle early, whether through treating the underlying cause, using lubricant, switching positions, or working with a pelvic floor therapist, prevents a short-term problem from becoming a chronic one.