Pain during sex is common, and it almost always has an identifiable, treatable cause. The pain can show up as a burning or stinging at the entrance, a deep ache inside the pelvis, or soreness that lingers afterward. Where and when it hurts is the biggest clue to what’s going on, so paying attention to the specifics of your pain is the first step toward fixing it.
Pain at the Entrance vs. Deep Pain
Pain during sex generally falls into two categories, and they point to very different causes. Entry pain, felt at the opening during initial penetration, is most often linked to dryness, skin irritation, infection, or involuntary muscle tightening. Deep pain, felt further inside during thrusting, is often described as “something being bumped into” and tends to involve internal organs or tissues like the uterus, ovaries, or bladder.
Figuring out which type you’re experiencing narrows the list of possibilities considerably. Some people experience both, which can happen when an untreated surface problem creates anxiety and muscle tension that eventually triggers deeper discomfort too.
The Most Common Cause: Not Enough Lubrication
Insufficient lubrication is the single most frequent reason sex hurts, and it’s also the most straightforward to address. Without adequate moisture, friction against delicate tissue causes burning, stinging, and sometimes small tears in the skin. This can happen for a number of reasons: not enough time spent on arousal beforehand, hormonal changes, or medication side effects.
Several widely used medications reduce your body’s natural lubrication by dampening arousal or altering hormone levels. These include antidepressants, blood pressure medications, antihistamines, sedatives, and certain birth control pills. If the pain started around the same time you began a new medication, that connection is worth exploring.
For people going through menopause, postpartum recovery, or breastfeeding, dropping estrogen levels cause the vaginal lining to become thinner, drier, less elastic, and more fragile. The vaginal canal can also shorten and tighten. These tissue changes are a normal part of lower estrogen levels, but they make friction during sex genuinely painful rather than just uncomfortable.
Lubricants vs. Moisturizers
These two products do different things. A lubricant is applied right before or during sex and provides temporary slipperiness to reduce friction. A vaginal moisturizer is used regularly, typically one to three times a week, and works by adhering to the vaginal lining to improve hydration, elasticity, and tissue integrity over time. If your dryness is occasional and only shows up during sex, a lubricant may be enough. If the tissue itself has changed (thinner, less stretchy, persistently dry), a moisturizer addresses the underlying problem.
For sensitive tissue, look for products that are “body-similar,” meaning they match the vagina’s natural pH of 3.5 to 4.5 and have low osmolality (a measure of chemical concentration). Water-based lubricants tend to cause less mucosal irritation than silicone-based ones. Creams with heavy preservatives can actually cause burning on application, so simpler formulations or ointment bases are generally better tolerated.
Infections and Skin Conditions
Yeast infections, bacterial vaginosis, urinary tract infections, and sexually transmitted infections can all make sex painful. The pain is usually at the surface, often accompanied by unusual discharge, itching, redness, or a burning sensation that exists even outside of sex. Skin conditions like eczema in the genital area can cause similar irritation. These causes are typically resolved with appropriate treatment, and the pain goes away once the infection or flare clears.
When Muscles Tighten Involuntarily
Vaginismus is a condition where the muscles around the vaginal opening contract automatically when anything attempts to enter, making penetration painful or impossible. It’s not something you’re choosing to do. The leading explanation is that a fear of painful sex, sometimes rooted in a previous painful experience, triggers your pelvic floor muscles to clamp down reflexively. This creates a self-reinforcing cycle: you anticipate pain, your muscles tighten, penetration hurts, and the fear deepens for next time.
Stress also plays a direct role even without vaginismus. Your pelvic floor muscles tend to tighten in response to life stress, and chronically tense pelvic floor muscles can make any penetration uncomfortable. Anxiety, depression, body image concerns, fear of intimacy, and relationship tension can all lower arousal enough that the physical conditions for comfortable sex (lubrication, muscle relaxation, tissue expansion) never fully develop.
A history of sexual abuse can contribute to painful sex, though not everyone with pain has this history. If past trauma is involved, addressing the psychological component is often just as important as treating the physical symptoms.
Conditions That Cause Deep Pain
When pain is felt deep inside the pelvis, especially in certain positions or with deeper penetration, an internal condition is often involved. Endometriosis, where tissue similar to the uterine lining grows outside the uterus, is one of the most common culprits. Pelvic inflammatory disease, ovarian cysts, uterine fibroids, and a tilted uterus can also cause deep pain. Bladder conditions like interstitial cystitis cause pain that worsens as the bladder fills, which can overlap with sexual activity.
Scarring from pelvic surgery, including hysterectomy, or from cancer treatments like radiation and chemotherapy, can change the internal anatomy enough to create pain in positions that were previously comfortable. Irritable bowel syndrome, hemorrhoids, and other conditions in nearby organs sometimes contribute too, since everything in the pelvis is packed closely together.
Pain During Sex for Men
Men experience painful sex less frequently than women, but it happens. The pain needs to be recurrent and last for three months or more to point to an underlying condition rather than a one-time issue. Common causes include inflammation of the prostate, which can make ejaculation painful. A condition called Peyronie’s disease, where scar tissue inside the penis causes it to curve, can make erections and intercourse painful. Tight foreskin that doesn’t retract easily, inflammation of the head of the penis, and enlarged veins in the scrotum are other possible sources. Infections, including STIs, can also cause pain during or after sex.
What Happens at a Medical Appointment
A provider evaluating painful sex will start by asking specific questions: when the pain began, exactly where it hurts, whether it happens in every position and with every partner, and what it feels like. Your surgical history, childbirth history, and sexual history all help narrow the cause.
A pelvic exam involves checking for visible signs of irritation, infection, or structural issues, and gently pressing on different areas of the genitals and pelvic muscles to pinpoint where the tenderness is. A speculum exam allows a visual look inside the vaginal canal. If deeper causes are suspected, a pelvic ultrasound may be ordered. The whole process is designed to locate the pain precisely, because where it hurts determines what’s causing it.
How Painful Sex Is Treated
Treatment depends entirely on the cause, which is why getting the right diagnosis matters so much. For dryness, lubricants, moisturizers, or topical estrogen can restore comfort. Infections are treated with the appropriate medication. Skin conditions may need specific topical treatments, and ointment-based formulas tend to be gentler than creams on sensitive genital tissue.
For vaginismus and pelvic floor tension, pelvic floor physical therapy is one of the most effective approaches. A pelvic floor therapist teaches you to identify, relax, and strengthen the muscles involved. When the muscles are too tight (the more common problem with painful sex), the focus is on learning to release them. Exercises practiced at home include diaphragmatic breathing, pelvic tilts, bridge poses, and stretches like happy baby pose. The therapy also addresses core stability and muscle control more broadly.
For persistent vulvar pain, treatment often works best as a team effort involving a physical therapist, a psychologist or sexual counselor, and sometimes a pain specialist. This isn’t because the pain is “in your head.” It’s because chronic pain conditions involve both tissue sensitivity and the nervous system’s response to it, and addressing only one side often isn’t enough. Providers should explain this clearly, because many people understandably worry that being referred to a therapist means their pain isn’t being taken seriously.
For deep pain caused by conditions like endometriosis, fibroids, or adhesions, treating the underlying condition is the path forward. In the meantime, changing positions to control the depth of penetration can reduce pain significantly, since much of the deep discomfort comes from contact with the cervix or inflamed tissue.