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Yeast Infections
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Mouth Teeth

Yeast Infections

Candida is a fungus that lives on and in the body, but when it multiplies due to illness or antibiotics, it can lead to various types of infections.

Overview

Candida is the scientific name for yeast. It is a fungus that lives almost everywhere, including in your body. Usually, your immune system keeps yeast under control. If you are sick or taking antibiotics, it can multiply and cause an infection.

Types of Yeast Infections

Yeast infections affect different parts of the body in different ways:

  • Thrush is a yeast infection that causes white patches in your mouth.
  • Candida esophagitis is thrush that spreads to your esophagus, the tube that takes food from your mouth to your stomach. It can make it hard or painful to swallow.
  • Women can get vaginal yeast infections, causing vaginitis.
  • Yeast infections of the skin cause itching and rashes.
  • Yeast infections in your bloodstream can be life-threatening.

Treatment

Antifungal medicines get rid of yeast infections in most people. If you have a weak immune system, treatment might be more difficult.

Frequently Asked Questions

To prevent vaginal yeast infections, wear breathable cotton underwear, avoid tight-fitting clothing, change out of wet swimsuits or sweaty workout clothes promptly, and avoid douching or scented feminine products. For skin infections, keep skin folds dry and clean, especially in warm, moist areas. Avoid prolonged use of broad-spectrum antibiotics if possible, and manage underlying conditions like diabetes.
While most yeast infections are localized, signs of a more serious or spreading infection include fever, chills, widespread rash,
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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