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Yes, CPAP therapy can potentially contribute to oral thrush (oral candidiasis). The warm, moist environment created by the CPAP mask and humidifier can promote fungal growth in some users. The Candida fungus naturally exists in our mouths, but these conditions can allow it to overgrow.

To reduce your risk of developing thrush while using CPAP:

  • Clean your mask, tubing, and water chamber regularly according to manufacturer instructions

  • Replace your equipment as recommended (typically mask every 3 months, tubing every 6 months)

  • Use distilled water in your humidifier

  • Allow equipment to dry completely after cleaning

  • Consider using heated tubing to reduce condensation

If you're experiencing symptoms like white patches in your mouth, unusual taste, or discomfort, you should address this. Thrush is typically treated with antifungal medications. Don't discontinue your CPAP therapy, as the benefits for sleep apnea generally outweigh this manageable side effect.

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Hospital419ru

Lvl 5
3mo ago

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