How to use condoms and lubricant aidsmap Condoms protect against unplanned pregnancy and most sexually transmitted infections, including HIV, gonorrhoea, chlamydia, and syphilis. Use only water or silicone based lubricant with a condom during vaginal and particularly anal sex Ultra Thin Condoms with Spermicide Trojan Trojan Ultra Ribbed Plus Spermicide Latex Lubricated Ribbed Condoms The difference between spermicidal and non spermicidal condoms