How well do condoms help protect against HIV infection?

When used correctly and consistently, condoms can lower the risk of getting HIV by 85%. For men who have sex with men, ALWAYS using a condom decreased their odds of contracting HIV by 91% and only sometimes or never using a condom increased their chances of contracting HIV by 83%. In heterosexual pairings with one HIV positive partner, consistently using a condom reduced the risk of getting HIV by over 70%.