Pain during sex is common, affecting roughly 10% to 20% of women in the U.S. alone, and it happens to men too. It’s not something you should write off as normal or expect to push through. The pain is real, it has identifiable causes, and in most cases it can be treated once you understand what’s behind it.
Where the Pain Happens Matters
One of the most useful things you can figure out is whether the pain is at the entrance or deeper inside. These two patterns point to very different causes.
Entry pain, sometimes called superficial dyspareunia, is felt right at the vaginal opening during initial penetration. It’s often linked to dryness, irritation, infection, skin conditions, or involuntary muscle tightening. Deep pain happens further in during thrusting and may feel worse in certain positions. This type is more commonly tied to conditions affecting the uterus, ovaries, bladder, or bowel.
Paying attention to when and where the pain shows up, whether it’s every time or only in certain positions, and whether it started suddenly or built over time, gives you (and a healthcare provider) a much clearer starting point.
Common Causes of Entry Pain
The most frequent reason sex hurts at the entrance is insufficient lubrication. This can happen because of hormonal shifts (menopause, breastfeeding, certain birth control), not enough arousal time, medications like antihistamines, or simply stress. During and after menopause, declining estrogen thins the vaginal lining, makes it less stretchy, reduces natural moisture, and changes the vagina’s acid balance. For many people, the first noticeable sign is dryness during sex.
Vulvodynia is another possibility. It’s chronic pain or burning at the vulva that can make even light touch uncomfortable. The exact cause isn’t fully understood, but nerve irritation, past infections, pelvic floor muscle problems, hormonal changes, and inflammation all appear to play a role. About 10% to 28% of women of reproductive age experience it at some point in their lives.
Then there’s vaginismus, where the muscles around the vaginal opening involuntarily clamp down. It can start as a response to fear of pain or past painful experiences and then become self-reinforcing: the anticipation of pain triggers muscle tightening, which causes more pain, which increases anxiety, which reduces lubrication, and the cycle continues. Vaginismus is both a physical and psychological pattern, and treating it usually means addressing both sides.
Skin conditions, yeast infections, bacterial infections, and irritation from soaps or products can also make the tissue at the entrance raw and sensitive.
What Causes Deep Pain
Deep pain during sex often signals something happening further inside the pelvis. Endometriosis is one of the most well-studied causes. In endometriosis, tissue similar to the uterine lining grows in places it shouldn’t, particularly in the space behind the uterus. During penetration, pressure against this area contacts those abnormal growths directly. The tissue develops an unusually dense network of nerve fibers, making it far more sensitive than surrounding tissue. Scar tissue and adhesions from endometriosis can also tether the uterus in place, so that contact during sex physically pulls on those adhesions, creating a sharp or aching pain.
Pelvic inflammatory disease, an infection that spreads from the vagina or cervix into the uterus, fallopian tubes, or surrounding tissue, can also cause deep pain. The acute inflammation makes the entire area tender. Uterine fibroids, ovarian cysts, and conditions affecting the bladder or bowel are other potential culprits.
Pelvic floor dysfunction deserves its own mention. The pelvic floor is a group of muscles that supports the bladder, uterus, and bowel. When these muscles are chronically tight or in spasm, penetration can feel painful at any depth. This is surprisingly common and often overlooked.
Pain During Sex in Men
Men experience painful sex less often, but it’s not rare. Pain can occur in the penis, testicles, or pelvis, and it can happen during penetration, erection, or ejaculation.
A tight foreskin that doesn’t retract properly (phimosis) can cause pain during penetration. Peyronie’s disease, where scar tissue inside the penis creates a pronounced curve, can make erections and intercourse painful. Skin conditions on the penis, including inflammation of the head (balanitis), can make any friction uncomfortable. Prostate inflammation is a common source of pain felt during or after ejaculation, often described as a burning or aching sensation deep in the pelvis. Varicoceles, which are enlarged veins in the scrotum, can cause a dull ache that worsens with activity.
The Role of Stress, Anxiety, and Past Experiences
Pain during sex is never “just in your head,” but what’s happening in your head absolutely affects what your body does. Anxiety about pain causes real, measurable muscle tension in the pelvic floor. That tension reduces blood flow, limits natural lubrication, and narrows the vaginal opening. The result is more pain, which reinforces the anxiety.
Past sexual trauma, relationship stress, body image concerns, and even general life stress can all feed into this cycle. This doesn’t mean the pain isn’t physical. It means the nervous system and the muscles are responding to emotional signals in ways that produce genuine, tangible pain. Effective treatment often works on both the physical and psychological components at the same time.
After Childbirth
Pain during sex is extremely common postpartum. Among women who have had their first vaginal delivery, about 40% report painful sex at three months and 20% still experience it at six months. Healing tissue, hormonal changes (especially while breastfeeding, which suppresses estrogen), scar tissue from tearing or episiotomy, and pelvic floor changes all contribute. This is worth knowing because many people assume something is wrong with them when this timeline is actually typical.
How It Gets Diagnosed
A medical evaluation usually starts with a detailed conversation: when the pain started, exactly where it occurs, what it feels like, whether it happens with every partner or position, and your surgical and childbirth history. A pelvic exam follows, during which a provider checks for visible signs of irritation, infection, or structural changes and gently presses on different areas of the genitals and pelvic muscles to locate the source of pain. A speculum exam lets them visually inspect the vaginal walls. If deeper causes are suspected, a pelvic ultrasound can help identify fibroids, cysts, or endometriosis.
Being specific about your pain makes a real difference in getting the right diagnosis. “It burns at the opening” and “it’s a deep ache in certain positions” lead a provider down very different paths.
Treatment Options That Work
Treatment depends entirely on the cause, which is why identifying the source of pain matters so much.
For dryness, lubricants are a straightforward first step. Not all lubricants are equal, though. The World Health Organization recommends vaginal lubricants with a pH around 4.5 and an osmolality (a measure of concentration) below 1,200 mOsm/kg. Many popular drugstore brands exceed that threshold, which can actually irritate tissue and disrupt the vaginal environment. Water-based lubricants with simpler ingredient lists tend to be gentler. For dryness caused by low estrogen, topical estrogen therapy applied locally to the vaginal tissue can restore thickness, elasticity, and moisture over time.
Pelvic floor physical therapy is one of the most effective treatments for pain related to muscle tension, vaginismus, or pelvic floor dysfunction. A specialist uses manual therapy to release tight muscles, biofeedback to help you learn to control muscles you can’t easily feel, and sometimes gentle electrical stimulation to retrain contraction patterns. Vaginal dilators, which are smooth, graduated inserts used at home, help the body gradually become accustomed to penetration without a pain response. This process takes time, typically weeks to months, but success rates are high.
For conditions like endometriosis, fibroids, or pelvic inflammatory disease, treatment targets the underlying condition itself. That might mean hormonal therapy to suppress endometrial growth, antibiotics for infection, or in some cases surgical removal of fibroids or endometriotic tissue.
When anxiety or past trauma is part of the picture, working with a therapist who specializes in sexual pain can help break the pain-tension cycle. Cognitive behavioral therapy and mindfulness-based approaches have solid evidence behind them. Many people benefit from a combination: physical therapy for the muscles, therapy for the anxiety, and practical changes like different positions, more foreplay, or temporary use of lubricants to reduce friction while the body heals.
Practical Changes You Can Make Now
While you’re figuring out the cause, a few adjustments can reduce pain. Spending more time on arousal before penetration increases natural lubrication and relaxes pelvic muscles. Experimenting with positions gives you control over depth and angle, which is especially helpful if deep pain is the issue. Using a quality lubricant every time reduces friction even when natural moisture seems adequate. Avoiding scented soaps, douches, and heavily fragranced products near the genitals prevents unnecessary irritation.
Communicating with your partner about what hurts and what feels okay isn’t just emotionally helpful. It directly changes the physical experience by reducing the anxiety and muscle guarding that amplify pain.