What is oral thrush?
Oral thrush is overgrowth of Candida yeast in the mouth — white patches on tongue, cheeks, palate. Common in infants, denture wearers, inhaled steroid users, diabetics, and immunocompromised people.
Easy to treat. Recurrent cases warrant looking for underlying cause (uncontrolled diabetes, immunosuppression).
Do I have oral thrush? Common signs
If most of these describe what you're experiencing, telehealth may be a good next step:
What causes it
Candida albicans overgrowth. Risk factors: inhaled steroids without rinsing mouth, dentures, dry mouth, antibiotics, uncontrolled diabetes, smoking, immunosuppression, infancy, HIV.
Is it contagious?
Minimally. Some breast/bottle-fed transmission between mother and infant. Generally low person-to-person spread.
If you use a steroid inhaler — rinse your mouth out after every dose. That alone prevents most thrush in those patients.
Can it be treated online?
Oral thrush is well-suited to telehealth. Severe or recurrent cases, esophageal involvement (difficulty swallowing), immunocompromised patients, infants with feeding problems — may need in-person care.
How oral thrush is treated
Topical: nystatin oral suspension swish and swallow 4x daily for 7–14 days. Clotrimazole troches dissolved in mouth 5x daily. Oral: fluconazole 100mg daily for 7–14 days for severe or recurrent cases. Treat underlying cause.
Self-care while you wait
- Rinse mouth after using steroid inhaler
- Brush teeth and tongue twice daily
- Clean dentures daily, soak in chlorhexidine if recurrent
- Manage diabetes if applicable
- Probiotics may help prevent recurrence
- Avoid mouth dryness — stay hydrated
- Treat any vaginal candidiasis simultaneously in babies' mothers
- Replace toothbrush after treatment
How long does it last?
Most clear in 1–2 weeks with antifungal treatment.
Frequently asked questions
Why do I keep getting it?
Recurrence often points to: uncontrolled diabetes, inhaled steroid use without rinsing, dentures not cleaned, immunosuppression, dry mouth from medications.
Can my baby give it to me through breastfeeding?
Yes — and vice versa. Treat both mother (nipple cream) and baby (oral nystatin) simultaneously.
Will antibiotics cause it?
Yes — antibiotics disrupt normal flora, allowing Candida overgrowth. Common temporary side effect.
Should I see a doctor about immune system if it keeps coming back?
Recurrent severe thrush without obvious cause warrants HIV testing and immune workup.
Do probiotics help prevention?
Some evidence — particularly Lactobacillus strains. Reasonable to try.


