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Safe Anal Sex: A Practical Guide for Gay Men

Preparation: What Actually Matters

Safe anal sex for gay men starts with preparation, and the preparation conversation is often more complicated in people’s heads than it needs to be in practice. The main concern for most men is cleanliness. The practical answer is: the rectum does not permanently store faeces. The lower rectum is generally clear unless a bowel movement is imminent. For most men, a shower, emptying the bowel before play, and avoiding a meal 1-2 hours before is sufficient preparation for sex without penetration beyond the lower rectum.

For more thorough preparation or deeper penetration: a simple anal douche or bulb syringe with lukewarm water is the most common approach. Fill, insert gently, release, and repeat until the water runs clear. Use lukewarm water only, never soap, never tap water at significant pressure, never enemas with additives. The rectum absorbs water and compounds introduced into it.

Douching: How to Do It Correctly

A bulb syringe holds about 150-200ml of water. This is enough to clean the lower rectum. Fill with lukewarm water, insert the nozzle gently with a small amount of water-based lube, squeeze slowly, retain briefly, and release over the toilet. Repeat 2-3 times until the water is clear.

Do not use a full enema bag with high volume. Do not add soap or other compounds to the water. Do not douche immediately before sex as the tissue needs a short recovery period after water contact.

Over-douching disturbs the rectal microbiome and can make the tissue more vulnerable. It is not something to do multiple times per day.

Lube: The Most Important Variable

The single factor that makes the biggest difference to comfort and safety in anal sex is lube quality and quantity. The anal canal does not self-lubricate. Without sufficient lubrication, microtears occur in the delicate tissue. Microtears increase STI transmission risk and cause pain.

Use more lube than you think is necessary. Apply it to both the penetrating partner and the external anal area. Reapply during the session if there is any sensation of drag or friction. There is no such thing as too much lube for anal sex.

For lube types and which to use in different situations, see the Manatomy lube guide for men.

Protection and STI Risk

Receptive anal intercourse has the highest per-act STI transmission risk of any sexual activity, including HIV, gonorrhoea, chlamydia, and syphilis. Condoms, when used consistently and correctly, significantly reduce transmission risk for all of these.

PrEP (pre-exposure prophylaxis) is available in Australia and is highly effective at preventing HIV transmission when taken as directed. It is not a replacement for testing and does not protect against bacterial STIs. Regular STI testing (every 3 months for men with multiple partners) is part of practising safe anal sex in the full sense of the term.

Positions for Comfort

Positions that allow the receiving partner control over the depth and pace are most comfortable for first-time or less experienced anal sex.

Riding: receiving partner on top, controls all movement and depth. This position gives the most autonomy to the person receiving and is often recommended for firsts.

Missionary with elevated hips: pillow under the lower back changes the angle and can reduce strain. The Inflatable Fuck Pillow is designed for exactly this purpose, allowing the angle to be set precisely.

Doggy style: the angle can be very comfortable but gives the penetrating partner more control, which is worth factoring in.

Pain: What Is Normal and What Is Not

Some sensation during anal sex is normal. Pain that causes you to want to stop is a signal to stop. The distinction between the mild stretch of penetration and actual pain is worth paying attention to rather than pushing through.

If penetration is consistently painful: more lube and slower approach. If discomfort persists, try a different position. If pain is persistent across multiple sessions regardless of preparation, talking to a doctor about whether there is an underlying anatomical reason is worthwhile.

After-Sex Care

Post-sex, the anal tissue has been stretched and stimulated. A gentle warm wash is sufficient. If there is minor bleeding, this is usually a minor tear and typically resolves within a day. Significant bleeding warrants medical attention.

Rest is natural after extended anal activity. For solo toy use, see the butt plug guide and dildo guide for care-specific information.

Related guides: Lube Guide for Men: Which Type to Use and When  •  How to Use Your First Butt Plug: A Relaxed Guide for Men

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Lube Guide for Men: Which Type to Use and When

Why Lube Is Not Optional for Anal

A lube guide for men has to start with a statement of principle: anal sex without lube is not a good idea. The anus and rectum do not self-lubricate. The tissue is more delicate than vaginal tissue and microtears from insufficient lubrication create routes for STI transmission and cause pain. Lube is not an accessory for anal play. It is a requirement.

The same applies to toy use: most toys benefit from lube, and for any toy used anally, generous lube application is non-negotiable.

Water-Based Lube

Water-based lube is the most versatile option and the correct choice for toy use. It is compatible with all toy materials including silicone, TPE, glass, and metal. It does not degrade condoms. It rinses off easily. For anyone using toys, water-based is the default.

The limitation of water-based lube for sex rather than toy use is that it dries out during use more quickly than other types, particularly in the absence of additional moisture. Reapplication is normal and expected during extended sessions.

Silicone-Based Lube

Silicone lube is longer-lasting than water-based, does not dry out during use, and is excellent for anal sex where reapplication needs to be minimal. It feels smoother and more slippery than water-based.

The critical limitation: silicone lube degrades silicone toys. Using silicone lube with a silicone dildo or plug will eventually damage the toy surface. Silicone lube is suitable for use with metal, glass, and condom-covered toys. Not suitable for direct use with silicone, TPE, or rubber toys.

Oil-Based Lube

Natural oils like coconut oil are sometimes used as lube and are effective for anal sex and masturbation. The limitations are significant for some use cases: oil degrades latex condoms (do not use oil with latex condoms), oil is difficult to clean thoroughly from toys and from the body, and oil can disrupt vaginal or rectal flora balance in some people.

For solo use without condoms and with non-latex or no toys in play, oil-based options are reasonable. For partnered sex with condoms, stick to water-based or silicone.

Anal-Specific Lube

Anal-specific formulations are typically thicker water-based lubes with longer-lasting texture. Some also include a desensitising ingredient. The desensitising component is worth approaching carefully: pain during anal play is useful information that tells you to slow down or stop. Numbing the area removes that feedback. Using a desensitising lube in a first session is not recommended.

How Much Lube Is Enough?

More than you think. This comes up in every lube conversation because it is genuinely one of the most common mistakes. Start with what feels like a significant amount applied to both the toy or partner and the external area. Once insertion begins, reapply at the first sign of any resistance or dragging sensation. Running out of lube mid-session is avoidable with a little over-preparation.

Lube and Condoms

Water-based lube is compatible with all condom types: latex, polyurethane, and polyisoprene. Silicone lube is compatible with all condom types. Oil-based lube is compatible with polyurethane and polyisoprene only, not latex.

A small amount of water-based lube inside the condom before fitting improves sensation for the wearer and reduces friction.

Note on Poppers and Lubricants

Several products in the Manatomy shop are listed under machine lubricant for legal compliance reasons. These include the Jungle Juice Black Label, Gold Label, and Platinum Label, and the Amsterdam 30ml. For session-related use of inhalants alongside lubricants, see the BDSM guide for context on how they are used in kink settings.

Related guides: Safe Anal Sex: A Practical Guide for Gay Men  •  Sex Toy Materials Guide: Silicone, TPE, Metal, Glass and More

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