This is what many women worry about when they feel their vaginas burning. Luckily, there's a greater chance of having a bacterial or yeast infection than an STD, especially if you've had protected sex.

If you haven't had protected sex, you may have contracted an STD. Some of the most common ones that include a burning sensation as a symptom include chlamydia, genital herpes, genital warts, trichomoniasis and gonorrhea.

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To treat an STD, a doctor will normally prescribe an antibiotic and request you come in for a follow-up appointment to make sure you no longer experience symptoms. It's important to treat an STD as soon as possible because it can cause internal problems if left untreated.

Lichen Sclerosus

While this condition is rare and occurs mainly in postmenopausal women, some younger women do suffer from it. You can tell if it is lichen sclerosis by using a mirror to inspect your vagina.