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Most healthy vaginas have yeast.  But sometimes your yeast grows too much and leads to an infection. Yeast infections can be very irritating and uncomfortable.

Think you may have a yeast infection?

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What causes yeast infections?

A vaginal yeast infection, which is also sometimes called vulvovaginal candidiasis, happens when the healthy yeast that normally lives in your vagina grows out of control. It often leads to itching and other irritating symptoms. The medical name for a yeast infection is "candidiasis," because they’re usually caused by a type of yeast called candida.

If your vaginal chemistry gets thrown off balance, the normal yeast that live in your vagina can grow too much and lead to an infection. Some things that can cause changes in your vagina’s environment are:

  • normal changes in hormone levels (like during your menstrual cycle)

  • antibiotics, cortisone, and other drugs

  • pregnancy

  • diabetes

  • a weak immune system

  • a natural reaction to another person's genital chemistry

Yeast infections can happen on penises and scrotums too, but it’s not as common. They can cause redness and irritation on your penis or scrotum.

Yeast infections aren’t an STD. They aren’t contagious, and can’t spread to another person during sex. But sexual contact sometimes leads to yeast infections — your body chemistry can have a bad reaction to another person’s natural genital yeast and bacteria, which causes yeast to grow.

People can also get a yeast infection on their mouth, throat, or tongue — that’s called "thrush."

What are yeast infection symptoms?

Yeast infections often cause thick, white, clumpy vaginal discharge that usually doesn’t smell (or only smells slightly different than normal). You might also have a creamy, whitish coating in and around your vagina.

Most yeast infections lead to itching, burning, and/or redness in or around the vagina. Vaginal itching usually gets worse the longer you have the infection. Sex may be uncomfortable or painful. In extreme cases, you can get fissures or sores on your vagina or vulva. If you have lots of irritation, it may sting when you pee.

How do I treat yeast infections?

Yeast infections can usually be cured easily in a few days with anti-fungal medicine. You can get medicated creams or suppositories for yeast infections (like Monistat and other brands) at a drugstore, over-the-counter without a prescription.

Make sure you follow the directions and use all of the medicine, even if your symptoms go away before you finish. You can also treat yeast infections with a single pill that you swallow (called Diflucan or Fluconazole). You need a prescription from your doctor to get the yeast infection pill.

Don’t have vaginal or oral sex, or put anything into your vagina, until you’ve finished treatment and your infection goes away. Friction from sex can cause more irritation or make it harder to heal. And some medicines that you use in your vagina have oil in them, which can cause condoms to break.

Even though yeast infections can be really itchy, try not to scratch. It can make irritation worse or cause cuts in your skin, which can spread germs and lead to more infection. There are over-the-counter creams that you can use on your vulva to help calm the irritation. Your doctor can also give you tips on relieving burning and itching.  

If you finish your treatment and your symptoms persist for more than a week, talk to your nurse or doctor to see what’s going on. You may require further treatment or something else may be causing the irritation. You can always schedule an appointment at your local Planned Parenthood health center.

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