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Fungal skin infection - body and groin - Management
Are diagnostic tests required?
- Diagnostic tests are not usually required, but take samples for microscopy and culture if:
- The diagnosis is unclear.
- The infection has not responded to standard topical antifungals.
- Oral antifungal treatment is being considered.
- To take samples for fungal investigation:
- Wipe off any treatment creams before sampling.
- Scrape skin from the advancing edge of the lesion using a blunt scalpel blade or similar implement.
- Collect 5 mm2 of skin flakes for microscopy and culture.
- Collect the sample into folded dark paper squares (secure with a paper clip), or use a commercially available fungal packet.
- Keep samples at room temperature. Do not refrigerate.
- Ensure clinical details are stated, including any treatment, animal contact, and overseas travel.
- Swabs are usually of no value for dermatophyte infections, but may provide a culture result if scrapings are inadequate.
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