The outcomes of two scientific tests had been released this season (during the Global Microbicides Conference) which, some may think, phone into question the security of employing lubricants for anal intercourse. But just what do these total outcomes reveal? Could be the proof sufficient to alter our safer intercourse texting? we do not think therefore — take a look at the explanation for why we don’t believe our texting about lube usage for anal intercourse should alter.
Lubes and Tissue Harm
For starters regarding the studies, scientists analyzed lubricants that are differentlubes) in a lab. They discovered that most of the lubes had greater levels of dissolved salts and sugars than generally present in a mobile. This is why, a few of the lubes possessed a toxic influence on the anal tissue examined in a test pipe when you look at the lab. This caused anal tissues to be stripped away. 1 If these items have actually the effect that is same found in individuals, the damaged anal tissue could possibly be more in danger of HIV along with other sexually transmitted infections (STIs) than it currently is.
The scientists tested six lubes that are being sold over-the-counter. Five had been water-based lubes (Astroglide, Elbow Grease, ID Glide, KY Jelly and Prй genital lubricant) and something ended up being silicone-based (damp Platinum).
The real properties of this lubes had been calculated and four (Astroglide, Elbow Grease, ID Glide and Jelly recommended you read that is KY discovered to draw water out from the cells lining the anus and in to the anus itself, damaging the cells. Whenever these four lubes were tested on anal muscle in a test pipe, they certainly were discovered to remove cells into the external layer of anal muscle. Two of this lubes, Prй and Wet Platinum, caused reasonably small harm.
Lubes and Intimately Sent Infections
The second research discovered that gents and ladies whom reported making use of lubes for receptive rectal intercourse in yesteryear had been around three times almost certainly going to have rectal STI once they had been tested throughout the research than those whom failed to report utilizing a lube. This increased risk for an STI had been current even though a condom ended up being utilized. 2
Between October 2006 and December 2008, 879 women and men from a rectal microbicide research effort had been surveyed about their intimate behavior and had been tested for just two anal STIs (gonorrhea and chlamydia). Somewhat not even half of this research individuals (421) reported having receptive rectal intercourse into the year that is past. Associated with the 229 males and 192 ladies who had had receptive anal intercourse, intimate behavior interviews and anal tests for chlamydia and gonorrhea had been readily available for 302 of the study participants. The last time they had anal sex within this group, about three-quarters (230) said they had used a lube. Of these, 67% utilized a water-based lube, 28% utilized a silicon-based lube, 17% utilized an oil-based lube ( ag e.g., Crisco), and 6% used numbing lubes. These figures total up to significantly more than 100% because some social people used one or more types of lube.
Anal gonorrhea or chlamydia had been present in 5.6% of females and 10.2% of males. About one out of nine (11.7%) for the participants who used lube the time that is last had anal intercourse had an anal STI, in comparison to about one in 22 (4.5%) regarding the individuals that has maybe perhaps not utilized lube. Over two-thirds (68%) of individuals identified as having a lube has been used by an anal STI when compared with one-third (32%) that has maybe perhaps not utilized a lube. Once the scientists looked over other factors such as for instance condom usage, amount of lovers, how many times some one had intercourse, their sex, or HIV status, the analysis revealed that the utilization of some lubes for rectal intercourse may raise the threat of finding a rectal sti by about 3 x.
What Exactly Performs This Suggest?
Definitive conclusions can not be made according to these studies alone. The researchers looked at the effects of lube in a test tube in the first study. This doesn’t reveal in regards to the aftereffect of making use of lube during intercourse. Regardless if lubes may damage anal muscle, it may possibly be that their usage results much more good than damage. Utilizing a lube during intercourse causes it to be more unlikely that a condom shall break or slip down. This alone decreases the possibility of HIV or STI transmission. Even though condoms aren’t utilized, lube usage might reduce injury to anal tissues, reducing the danger for illness with HIV or any other STI. It is impossible for us to understand with this research whether making use of lube during rectal intercourse, with or with out a condom, will certainly reduce or increase harm to anal muscle or impact the danger for disease with HIV or any other STI.
The 2nd research shows a correlation involving the usage of lubes while the transmission of STIs. But, correlation and causality are a couple of various things: an analytical correlation will not show a causal relationship. The scientists attempted to eliminate other factors that are causal. Nonetheless, this sort of analysis cannot rule out all possible factors that are causal. For instance, individuals who utilize lubes may become more prone to transfer STIs involving the penis and rectum using their hands if they use lube before having anal intercourse. Additionally, this research only investigated the connection between lubes and STIs that are certaingonorrhea and chlamydia). This research would not have a look at HIV transmission so we can not draw conclusions in regards to the results of lube on HIV transmission.
There isn’t enough proof from both of these studies to state without a doubt (a) simply how much harm lubes can perform to your rectal muscle whenever useful for rectal intercourse and (b) whether lube usage make a difference the possibility of getting HIV or any other STI. More research should be done to determine what lubes are safe, which lubes can harm rectal muscle, if some lubes are far more harmful than the others, and exactly exactly exactly what the results of the feasible harm on HIV and STI transmission are.
Truly, individuals must not surrender lubes that are using combination with condoms, which offer optimal security during anal intercourse.
Zak Knowles is CATIE’s supervisor of site content. A sexual health clinic in downtown Toronto before coming to CATIE he worked as an HIV counsellor at Hassle Free Clinic. Zak happens to be coping with HIV for 20 years.