Fungal skin infections
Updated · SkinWise Clinic
Fungal skin infections can cause itchy, scaly or spreading rashes, but other conditions can look similar. Diagnosis and the affected site guide treatment. Persistent disease may reflect several factors, including resistant fungi, so repeated treatment without reassessment is not appropriate.
Ringworm is a fungal infection, not a worm. It can affect the body, feet, scalp or nails, with different treatment needs.
Bring all creams and tablets already used. Steroid-containing combination creams can mask or worsen ringworm and make its appearance less typical.
How fungal infections show up
- Itchy or scaly patches
- A spreading edge in some infections
- Changes between toes, on the scalp or in nails
- A rash altered by prior creams
What drives fungal infections
- Exposure to an infecting fungus
- Skin contact or shared contaminated items in some infections
- Conditions that favour persistence or recurrence
- Treatment resistance in selected infections
When to see a dermatologist
Seek assessment for a spreading, recurrent or uncertain rash, scalp involvement or worsening after treatment. Fever, significant pain or rapidly spreading inflammation warrants prompt care.
How fungal infections is treated at SkinWise
Examination and suitable testing help confirm the diagnosis. Drug, route and duration depend on the organism, site, extent, health history and previous response. A persistent rash needs reassessment, not an automatic longer course or dose increase.
Services that treat fungal infections
Evidence behind these choices
- Dermatophyte infections and antifungal resistance: expert review (2024)
Diagnosis, treatment history and possible resistance matter when an infection persists. Drug choice and duration depend on the clinical problem; an automatic longer course is not a substitute for reassessment.
Read more
Frequently asked questions
Should I use a steroid combination cream?
Do not self-treat a possible fungal rash with a steroid combination. It can mask or worsen ringworm. Bring the product for review.
Why has treatment not worked?
Possibilities include a different diagnosis, treatment-use problems, re-exposure or resistance. Reassessment helps determine the next step.
Does every fungal rash need tablets?
No. The site and clinical picture determine whether topical or systemic treatment is appropriate.
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