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 Lubricants & Erectile Dysfunction : Links , Effects & Safer Options Allo Health Blog Yeast Infections and Sex, Condoms, Lubes and Toys Trojan Why Does It Burn After Sex: Causes, Relief, & Prevention Thomson Medical Four things you should never ever use as lubricants during coitus 1. Vaseline Petroleum jelly It traps bacteria, increases risk of infections (especially yeast & BV), and can damage condoms. 2. Saliva ( Is It Safe to Use Coconut Oil as a Lube During Sex?