Anal sex doesn’t offer specific health benefits, but it isn’t inherently harmful either. Whether it’s “good for you” depends on how it’s practiced. Done with care, proper lubrication, and communication, it can be a pleasurable and safe part of a person’s sex life. Done without preparation, it carries real risks to tissue integrity, infection, and long-term function. Here’s what the evidence actually says.
Why It Can Feel Pleasurable
The anal canal is one of the most densely innervated areas of the body. It contains multiple types of specialized nerve endings that respond to touch, pressure, temperature, and friction. This concentration of sensory receptors is why anal stimulation can produce intense physical sensation for people of any gender.
For people with prostates, the gland sits just a few centimeters inside the rectum and can be stimulated through the rectal wall. While the Cleveland Clinic notes there’s no medical evidence that prostate massage treats any health condition, many people find direct or indirect prostate stimulation pleasurable during sex.
A nationally representative U.S. survey published in PLOS ONE found that about 44% of women reported experiencing pleasure from some form of anal touch. Over a quarter of women said anal stimulation made their orgasms feel more intense, and 40% said it enhanced other sexual touch happening at the same time. Notably, roughly two-thirds of women who now enjoy penetrative anal touch did not find it pleasurable the first time. Enjoyment tended to develop with experience and comfort.
The Real Physical Risks
The rectum differs from the vagina in two important ways: it doesn’t produce its own lubrication, and its lining is thinner and more fragile. This makes the tissue more susceptible to small tears, which create entry points for bacteria and viruses.
HIV transmission risk illustrates this clearly. CDC data estimates that receptive anal sex carries an HIV transmission risk of about 1 in 72 exposures (with an HIV-positive partner not on treatment), compared to 1 in 1,250 for receptive vaginal sex. That’s roughly a 17-fold difference. For the insertive partner, the gap is smaller but still present: 1 in 909 for anal versus 1 in 2,500 for vaginal. Other STIs, including gonorrhea, chlamydia, and HPV, also transmit more efficiently through anal tissue. Condoms and barriers significantly reduce these risks.
There is also limited evidence linking frequent anal intercourse with fecal incontinence over time. Bowel Research UK notes that placing objects in the anus risks damage to the anal muscles, and the available data shows an association between anal intercourse and incontinence issues, though the research base remains small.
Lubrication Matters More Than You Think
Because the rectum doesn’t self-lubricate, using an external lubricant isn’t optional. But not all lubricants are equally safe for rectal use. Research has shown that water-based products with very high osmolality (a measure of how concentrated the solution is) can damage rectal tissue, trigger inflammation, and cause cells to slough off the rectal lining. Some products with low pH levels or certain chemical additives can make the problem worse.
If you’re choosing a lubricant for anal use, look for water-based or silicone-based products that are closer to the body’s natural osmolality and have a neutral to slightly alkaline pH. Thicker formulas tend to stay in place better. Avoid anything with numbing agents, which mask pain signals your body uses to tell you something is wrong.
How Preparation Practices Affect Your Body
Many people douche or use enemas before anal sex, but this practice comes with trade-offs. Research published in The Journal of Infectious Diseases found that douching significantly alters the rectal microbiome, reducing microbial diversity and richness. People who douched had measurably different bacterial communities compared to those who didn’t, along with elevated levels of multiple inflammatory markers in their rectal tissue.
Commercial enemas and soapy water can strip away the rectal surface lining. About 1 in 10 men in the study reported bleeding after douching. This combination of tissue damage, inflammation, and disrupted microbial balance can make the rectum more vulnerable to infections. If you do choose to douche, using plain lukewarm water in small volumes and allowing time for the tissue to recover before sex may reduce (but not eliminate) these effects.
Pelvic Floor Awareness and Control
The pelvic floor muscles play a central role in how comfortable anal sex feels. These muscles have three states: neutral, contracted (a Kegel), and bearing down. During penetration, bearing down gently relaxes the pelvic floor and straightens the angle between the anal canal and rectum, making insertion easier and less likely to cause injury. Clenching from anxiety or fear activates the fight-or-flight response and tightens everything, which is when pain and tearing are most likely.
Learning to isolate and control your external sphincter and pelvic floor independently gives you the ability to regulate pressure and comfort during sex. This is a trainable skill. Practicing pelvic floor exercises outside of sexual activity, including both contracting and deliberately relaxing, builds the kind of muscle awareness that makes a significant difference. Physical therapists who specialize in pelvic floor health can help with this if you’re struggling.
Emotional and Psychological Dimensions
Beyond the physical, people report a range of emotional responses to anal play. In the PLOS ONE survey, about 14% of women described it as feeling “profoundly intimate and emotional,” while 12.5% said it produced a unique sensation they found pleasurable on its own terms. About 10% described the pleasure as feeling “fuller” or “bigger” than other types of sexual stimulation.
Context matters enormously. Consensual, communicative anal sex where both partners feel safe tends to produce positive experiences. Pressured, painful, or uninformed experiences tend to produce negative ones, and the body remembers both. If anxiety or past negative experiences are part of the picture, the physical tension they create makes the experience worse in a self-reinforcing cycle. Going slowly, communicating throughout, and stopping when something hurts aren’t just suggestions. They’re what separates an experience that works from one that causes harm.