Why can't I get rid of thrush?

Thrush is a yeast infection of the mucus membrane lining of the mouth and tongue, or of the vagina. A small amount of the fungus that causes thrush, called Candida, normally resides in your mouth, and can become drug resistant. When your immune system is weak and less able to fight off infections, the fungus can grow, cause sores, and become difficult to treat.

Many people have weakened immune systems, including:
  • cancer patients receiving chemotherapy
  • people with HIV/AIDS
  • children, the elderly, and the ill
  • patients receiving steroid medications
Call your doctor if you have recurrent thrush. He or she may advise you to take antifungal medication on a regular basis.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.