74 Fungal Skin Infection

Fungal Skin Infection

A fungal infection, also called mycosis, is a skin disease caused by a fungus.

Most common type of fungal skin infection are

  • tinea pedis (athlete’s foot) 
  • tinea cruris (jock itch) 
  • tinea corporis (ringworm), and 
  • yeast infections

Tinea pedis

SSX include:

  • Peeling, cracking, and scaly feet
  • Blisters
  • Skin that’s red, softened, or broken down
  • Itching
  • Burning

Types of tinea pedis

  • Interdigital.
    • Most common.
    • It usually occurs between 4th and 5th toes. The infection can spread to the foot sole.
Interdigital type tinea pedis on the web space of foots
  • Moccasin.
    • Start with irritation, dryness, itching, or scaly skin.
    • Over time, skin may thicken and crack.
    • This infection can involve your entire sole and extend onto the sides of your foot.
Moccasin type tinea pedis on the plantar surface of the feet
  • Vesicular.
    • Uncommon
    • Begins with a sudden outbreak of fluid-filled blisters, often on the plantar aspect of foot.
    • They also can appear between toes, heel, or on dorsum of foot.
Vesiculobullous type tinea pedis on the plantar surface of the feet

Tinea cruris

occurs in warm, moist areas like genitals, inner thighs, and buttocks.

Infections happen more often in the summer or warm, wet climates.

SSX include:

  • Itching, chafing, or burning sensation on groin or thigh
  • A red, circular, rash with raised edges
  • Redness on groin or thigh
  • Flaking, peeling, or cracking skin
Tinea cruris over axilla region

Tinea corporis

tinea corporis (ring worm), isn’t a worm but a fungal skin infection.  It’s named for its ring-shaped rash with a winding, worm-like edge.

SSX include:

  • red, circular, flat sore that can happen along with scaly skin.
  • The outer part of the sore might be raised while the skin in the middle appears normal.
  • Patches or red rings may overlap.
Extensive tinea corporis in CGD

Yeast infections

Yeast infections of your skin are called cutaneous candidiasis.

The infections are most common in warm, moist, creased areas of body, (eg: axilla and groin). They often happen in people who are obese or who have diabetes

SSX on skin include:

  • Rash
  • Patches that ooze clear fluid
  • Pimple-like bumps
  • Itching
  • Burning