MSD Manual

Please confirm that you are not located inside the Russian Federation

honeypot link
Quick Facts

Candidiasis (Yeast Infection)

By

The Manual's Editorial Staff

Last full review/revision Nov 2020| Content last modified Nov 2020
CLICK HERE FOR THE PROFESSONAL VERSION
Get the full details
Topic Resources

What is candidiasis?

Candidiasis is an infection by Candida yeast. Because yeast is a type of fungus, candidiasis is a fungal infection, but it's usually referred to as a yeast infection. Candida yeast usually live on your body in small amounts without causing symptoms. But sometimes an overgrowth or infection can happen.

What causes a yeast infection?

A yeast infection is caused by Candida yeast, a fungus that usually lives on your body in small amounts. In small amounts, you don't notice it. If the yeast grows too much, you get a rash.

Some causes of too much yeast growth include:

Yeast likes to live in dark, moist areas of your body. So yeast infections are more common in these areas:

  • Under folds of skin in obese people

  • In the mouth

  • Under women's breasts

  • In the groin area or vagina

What are the symptoms of a yeast infection?

Symptoms depend on where the yeast infection is:

  • On your skin: Bright red, raw rash

  • Inside your vagina: White patches and white, cheeselike vaginal discharge

  • Inside your mouth: White patches (thrush)

  • Corner of your mouth: Cracks in the skin

Yeast Infections

How do doctors tell if I have a yeast infection?

Doctor can usually tell if you have a yeast infection just by looking at it. To know for sure, doctors may scrape off a tiny bit to view under a microscope.

How do doctors treat yeast infections?

Treatment depends on where the yeast infection is.

For infections on your skin, doctors will have you:

  • Apply antifungal creams, powders, or other products to the infected area

  • Keep the skin dry (for example, by changing a baby’s diaper more often)

  • Take medicine by mouth, if the infection is severe

For a yeast infection in your vagina, doctors will have you:

  • Apply an antifungal cream inside and outside your vagina

  • Sometimes, take medicines by mouth

For thrush in adults, doctors will have you:

  • Take an antifungal medicine

  • Sometimes, gargle with liquid antifungal medicine (nystatin)

For thrush in babies, doctors will have you apply a liquid antifungal medicine to the inside of your baby’s mouth.

NOTE: This is the Consumer Version. DOCTORS: CLICK HERE FOR THE PROFESSONAL VERSION
CLICK HERE FOR THE PROFESSONAL VERSION
Others also read
Download the Manuals App iOS ANDROID
Download the Manuals App iOS ANDROID
Download the Manuals App iOS ANDROID
Test your knowledge
Separation Anxiety and Stranger Anxiety
An important part of normal development is an infant’s growing attachment to its parents. As this bond strengthens, the infant may express fear or anxiety when the parents leave. This “separation anxiety” typically begins at around 8 months of age and resolves at around 24 months of age. Which of the following is the normal and expected infant behavior in reaction to a parent leaving the room during the time period of separation anxiety?
Download the Manuals App iOS ANDROID
Download the Manuals App iOS ANDROID
Download the Manuals App iOS ANDROID

Also of Interest

Download the Manuals App iOS ANDROID
Download the Manuals App iOS ANDROID
Download the Manuals App iOS ANDROID
TOP