Jock Itch (Tinea Cruris)

Definition

Jock itch is a fungal infection of the skin affecting the groin, pubic region and adjacent thigh. This rash usually is recurrent and may present as a chronic discomfort. These skin lesions are fairly common and affects both genders with a male predominance (3:1). It is particularly common in hot humid tropical climates.

Factors Causing Tinea Cruris?

  • Occlusive clothing
  • Obesity
  • Excessive sweating
  • Diabetes mellitus
  • Steroid cream usage at the groin region
  • Long standing fungal infection of the foot (tinea pedis)

What is The Cause?

It is caused by a dermatophyte fungus: Trichophyton rubrum and Epidermophyton floccosum. This fungus usually spreads from the feet or fingernails by scratching or use of contaminated towels or bed sheets. Poor hygiene is also a causative factor.

Symptoms

  • Starts in the skin fold on ONE side of the inner thigh.
  • The rash can slowly worsen and spread to both sides of the inner thigh or pubic area.
  • Rash will look RED, WET and SCALEY
  • The edges of your rash will be well well defined
  • Very itchy- itchiness worsens when weather is hot and more sweat accumulates between skin folds
  • Darkened skin appearance where the rashes form

When To See Your Doctor?

  • Rashes worsening fast
  • When you notice fluid secretion from the rash
  • Best to come early, as treatment is better before the rashes spread to a larger surface area.
  • Severe itchiness

How To Diagnose?

  • Our doctors at DTAP will conduct a thorough physical examination
  • Skin scrapping or swab cultures may be taken for extensive cases
  • Skin biopsy- optional

Treatments and Home Remedies

Medical treatment:

  • Topical creams
  • Oral antifungal tablets
  • Anti fungal powders
  • Blood tests prior to starting oral anti-fungal, especially for chronic fungal infections
  • Our physicians will rule out any other medical problems that may cause chronic fungal infections.

Home Remedies:

  • Practice good self hygiene
  • Frequent changing of towels and clothing
  • Using soft, cotton innerwear- panties and underwear; for good sweat absorbtion.
  • Applying talcum powder in skin folds for prevention of sweat accumulation
  • Applying apple cider vinegar between groin folds once a week to exfoliate skin
  • Keeping pubic hair trimmed and check yourself regularly for early onset skin lesions in the groin region

In summary, if you do develop Jock itch (Tinea cruris) it is easily treatable if you seek help early. 80-90% of cases resolve without complication. Chronic recurrence of this condition requires a full medical check-up to ensure no other medical condition is causing it. Visit our doctors today for further enquiries.

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