Medically reviewed by Cordelia Nwankwo, MD Most vaginal bumps are harmless, but some might signal an infection. Other causes may include cysts, ingrown hairs, and, in rare cases, vaginal cancer.

Vaginal boils can be caused by ingrown hairs, injuries ... boils are caused by the bacterial infection staphylococcus, aka staph, says Gaither. Your skin contains a certain amount of staph ...