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What causes jock itch?

Jock itch is a common fungal skin infection, caused by a group of fungi called dermatophytes. The fungi live off dead skin cells and thrive in warm, moist surfaces, such as those found in the groin when it gets sweaty. You can catch these fungi from close contact with someone who has tinea, or from being in contact with unwashed clothing or towels used by someone with tinea.

FAQ Frequently asked questions

What is jock itch?

Jock itch, medically known as tinea cruris, is an uncomfortable itchy, red rash in the groin area, caused by a fungal skin infection.

What are the symptoms of jock itch?

The common symptoms of jock itch are itching, chafing and/or burning in the groin, the thigh and the anal area. There is often a characteristic red, raised ring-shaped rash that spreads down the inner thighs from the groin area.

How is jock itch diagnosed?

Jock itch can be diagnosed by the following tests: 1) Potassium hydroxide exam - a scraping of your skin from the affected area is added to potassium hydroxide (KOH) and examined under a microscope. KOH destroys non-fungal cells, making it easier to see if any …

How is jock itch treated?

Treatment for jock itch includes: Good hygiene practices: bathing regularly, then thorough drying with clean towels, particularly using a separate towel for the affected area compared to the rest of the body (to prevent spread), will help to contain the infection. …

Will jock itch clear on its own?

Jock itch will not clear on its own. If you have jock itch you will need to use antifungal medications to get rid of the fungus causing the infection. Medication has to be taken for some time after symptoms disappear, otherwise the infection can return.

Can jock itch be prevented?

Maintaining good hygiene by washing and drying yourself properly, washing linen and towels in hot water and not sharing them with others, can help prevent the spread of jock itch.

Who gets jock itch?

Anyone can get jock itch, however, athletes are more prone to it due to regular sweating whilst playing sports, chafing from wearing protective clothing, and/or sharing clothes. It is also more common in men. The risk of developing jock itch can be increased by being …

Is jock itch contagious?

Jock itch is contagious; it is passed by direct contact with the dermatophyte fungus.

Will jock itch keep coming back?

Although jock itch can usually be cured, it is common for it to come back. To prevent it from returning, you will need to continue treatment for some time after symptoms have cleared.

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About this article

Author: Jonathan Meddings BMedLabSc (Hons)
First answered: 18 Sep 2014
Last reviewed: 19 May 2018
Rating: 4.3 out of 5
Votes: 444 (Click smiley face below to rate)
Category: Tinea

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