Oral Thrush
Oral thrush is a common fungal infection that can cause white patches, soreness and discomfort in the mouth. Our pharmacy team can assess your symptoms and, where appropriate.
Box pharmacy - Helping the local community in Corsham, Box, Neston, Biddestone, Colerne, Lacock and beyond.
About Service
The Common Ailments Service in Wales provides convenient and effective treatment for oral thrush. Our pharmacy team can assess your symptoms and, where appropriate, provide suitable treatment and advice to help relieve discomfort and clear the infection.
Symptoms and Diagnosis
Oral thrush is a fungal infection of the mouth caused by Candida species, most commonly Candida albicans. It appears as white or creamy patches on the tongue, inner cheeks, gums, tonsils, or throat and can cause soreness, burning, and a cottony sensation. Diagnosis is usually clinical, sometimes aided by swabs or microscopy when infections are recurrent or severe. Common risk factors include recent antibiotics, inhaled steroids, diabetes, denture use, and immunosuppression. While many cases are mild and respond to topical antifungals, persistent or extensive infections may require systemic treatment and evaluation of underlying causes.
White patches on tongue
Sore or burning mouth
Difficulty swallowing sometimes
Associated with poor oral hygiene
Frequently Asked Questions
Answers to common concerns about causes, treatment, and prevention of oral thrush.
What causes oral thrush?
An overgrowth of Candida yeast, often after antibiotics, steroid inhalers, or with weakened immunity.
How is thrush treated?
Topical antifungals like nystatin or miconazole for mild cases; oral fluconazole for more severe infections.
Is thrush contagious?
Candida can be transmitted, but infection depends on host susceptibility; maintain hygiene and avoid sharing utensils when symptomatic.
Can children get thrush?
Yes, infants commonly get oral thrush and may need topical antifungal treatment and sterilizing feeding equipment.
When to see a doctor?
If patches are painful, persistent, recurrent, or accompanied by fever or difficulty swallowing, seek medical assessment.
Key Points
Treatment choice depends on severity and underlying factors. Mild localized infections often clear with topical agents applied in the mouth over several days to weeks. For deeper or recurrent infections, systemic antifungals such as fluconazole may be required. Address contributing issues like poorly controlled diabetes, inhaled steroid use, or ill-fitting dentures. Follow-up is important for recurrent thrush to investigate possible immunosuppression or chronic conditions. Preventive measures and lifestyle adjustments reduce recurrence risk and support faster resolution.
Caused by Candida yeast
Common in infants and immunocompromised
Treated with antifungal medication
Maintain good oral hygiene
Preventing Oral Thrush
Preventing oral thrush centers on good oral hygiene and reducing conditions that favor yeast growth. Brush twice daily, floss, and clean dentures nightly—remove dentures during sleep and soak them as recommended. Rinse the mouth after using inhaled corticosteroids and discuss spacer use with your clinician. Reduce excessive sugar intake, stay hydrated to avoid dry mouth, and manage chronic conditions like diabetes that increase susceptibility. For infants, sterilize feeding equipment and treat caregiver or maternal yeast infections when present. Regular dental check-ups help identify early issues that can predispose to thrush.
Diagnosis
Clinical exam, swab testing if needed
Treatment
Topical or systemic antifungals depending severity
Prevention
Oral hygiene, denture care, manage risk factors
When to seek care
When to See a Clinician
See a healthcare professional if white patches are intensely painful, widespread, fail to improve with initial measures, or recur frequently. Immediate evaluation is advised for associated fever, difficulty swallowing, weight loss, or suspected spread beyond the mouth. Clinicians will confirm the diagnosis, rule out other causes of oral lesions, and check for underlying contributors such as diabetes or immune suppression. Prompt, appropriate treatment reduces discomfort and complications and can prevent spread to the esophagus or other sites in high-risk patients.
