Answer
Seek medical or pharmacy assessment first. Similar symptoms can have other causes, and this product is intended for previously diagnosed thrush.
Sources for this answer
- Canesten Thrush Duo Oral Capsule & External Cream 150mg / 2% w/w capsule and cream — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.