Health risks and prevention
There are many health problems that can result from practicing unsafe analingus, because of the presence of bacteria, viruses or parasites on or in the anus or rectum. These include Hepatitis A, Hepatitis B, Hepatitis C, intestinal parasites, chlamydia infection, poliomyelitis, human papillomavirus (HPV), gonorrhea, Herpes simplex virus, conjunctivitis, and other sexually transmitted diseases. Applying the mouth to the genitals immediately after applying it to the anus can inadvertently introduce the bacterium Escherichia coli ("E. coli") into the urethra, leading to a urinary tract infection. HIV/AIDS is not believed to be easily transmitted through anilingus, although experts assert that the risk exists.
Frequent analingus with casual partners increases the health risks associated with the practice. Generally, people carrying infections that may be passed on during rimming will appear healthy. Parasites may be in the feces if poorly cooked meat was consumed. Hepatitis A traces in feces apply only if the infected person has eaten contaminated food. Hepatitis C is rare although possible if the receiver has trace amounts of infected blood through his/her anus or feces.
If the receiving partner has wounds or open sores on their genitals, or if the giving partner has wounds or open sores on or in their mouth, or bleeding gums, this poses an increased risk of STD transmission. Brushing the teeth, flossing, undergoing dental work, or eating crunchy foods such as potato chips relatively soon before or after performing analingus also increases the risk of transmission, because all of these activities can cause small scratches on the inside of the lips, cheeks and palate. These wounds, even when they are microscopic, increase the chances of contracting STDs that can be transmitted orally under these conditions. Such contact can also lead to infections from common bacteria and viruses found in and around the genitals and anus.
Another recent study suggests a correlation between oral sex and throat cancer. It is believed that this is due to the transmission of HPV because this virus has been implicated in the majority of cervical cancers. The study concludes that people who had one to five oral sex partners in their lifetime had approximately a doubled risk of throat cancer compared with those who never engaged in this activity. Those with more than five oral-sex partners had a 250% increased risk.
If you read this, it suggests that you DO NOT brush your teeth or floss immediately after oral anything...do not chew chips or popcorn.
This post has been edited by edopho: Fri Jun 18, 2010 02:20 PM