What does a fungal skin infection look like?

Symptoms depend on the location but may include:

An expanding ring-shaped patch
A raised, scaly border
Itching or burning
Peeling
Cracking
Blisters
Discoloration
Moist or softened skin between the toes
Broken hairs or scalp scale
A rash that gradually spreads

On lighter skin, patches may look pink or red. On darker skin tones, they may appear brown, gray, purple or darker than the surrounding skin.

Not every fungal infection forms a complete ring.

How do fungal infections spread?

Dermatophyte fungi can spread through:

Direct contact with an infected person
Contact with an infected animal
Shared towels, clothing or bedding
Locker-room or pool surfaces
Sports equipment
Hair tools
Contaminated soil
Spread from one area of the body to another

Warmth, moisture, sweating and tight clothing can create conditions in which fungus grows more easily.

How are fungal infections diagnosed?

A dermatologist may recognize a fungal infection by examining the rash. Because eczema, psoriasis and other conditions can look similar, testing may be performed before treatment.

Your provider may gently scrape the surface and examine the sample under a microscope. A fungal culture or laboratory test may be recommended for persistent, widespread or scalp infections.

Using a steroid cream before diagnosis can temporarily change the rash’s appearance and allow the fungus to spread.

How are fungal skin infections treated?

Treatment may include:

A topical antifungal cream
Antifungal powder or spray
Prescription-strength topical medication
Oral antifungal medication
Treatment of infected household members or pets when appropriate
Treatment of fungal infection in the feet or nails to prevent reinfection

Scalp, beard and extensive infections commonly require oral treatment because topical creams may not reach the infected hair follicles.

Complete the full treatment course even when symptoms begin improving.

How can I prevent reinfection?

Keep affected areas clean and dry. Change damp clothing and socks promptly and wear footwear in communal showers or locker rooms.

Do not share towels, razors, brushes, hats or clothing. Wash hands after touching an infected person, animal or area of your own skin.

Schedule a fungal-infection consultation

Ring-shaped and scaly rashes can have several causes. The Dermatology Clinic can test the area, confirm whether fungus is present and prescribe the appropriate topical or oral treatment. Contact us today to get scheduled.