Being very gentle and moving slowly Using plenty of lubricants not just saliva Using a condom Avoiding spermicide, which may irritate the rectum Never moving from anal to vaginal sex without first changing condoms Stopping if there is severe pain during penetration Anal sex may make a person more susceptible to bacterial infection around the anus and rectum. Additionally, there is some suggestion that anal sex may worsen existing hemorrhoids, so you may want to carefully consider anal sex activities if you have them. Use latex or female condoms during anal intercourse to decrease the risk of sexually transmitted infections. Repetitive anal sex may lead to weakening of the anal sphincter, making it difficult to hold in feces until you can get to the toilet. Even if both partners do not have a sexually-transmitted infection or disease, bacteria normally in the anus can potentially infect the giving partner. For heterosexual couples, pregnancy can occur if semen is deposited near the opening to the vagina. And although you already seem aware, it is important to mention that STIs, including HIV, can be passed to or from an anal sex partner, so using condoms is always a good idea. This is a dangerous problem that requires immediate medical attention. Bleeding after anal sex could be due to a hemorrhoid or tear, or something more serious such as a perforation hole in the colon. Treatment involves a hospital stay, surgery, and antibiotics to prevent infection. Steps to safer anal sex include: While some people find anal sex enjoyable, the practice has downsides and requires special safety precautions. There are a number of health risks with anal sex, and anal intercourse is the riskiest form of sexual activity for several reasons, including the following: However, there can be risks associated with anal sex other than sexually transmitted infections STIs , so it's important to take steps to minimize these risks. Practicing vaginal sex after anal sex can also lead to vaginal and urinary tract infections. With latex condoms , always use a water-based lubricant.