There are many things you can do to reduce your chances of getting an STD.  Have sex with only one other person whom you trust. Having sexual contact only with someone who is not infected means that you won’t get an STD from them and they won’t get one from you.  Use condoms. Used correctly every time you have sex, latex or polyurethane condoms can be very good protection against many STDs.  Have fewer partners. The more people you have sex with, the greater your chances of getting an STD. Go with new partners to get tested.  Don’t mix drugs and alcohol with sex. Getting drunk or high can affect your ability to make smart decisions about sex.  Don’t use IV street drugs and never share needles. Many STDs are transmitted through blood.  Don’t have sex. Abstinence is the surest way to avoid getting an STD.