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Tinea cruris
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It is a fungal infection of the skin around the groin or the area in between the buttocks. It usually causes a scaly rash that may cause some burning or itching. Treatment is usually with anti-fungus creams or with oral anti-fungus pills.
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- A scaly rash in the groin or in between the buttocks; it usually does not involve the skin around the scrotum.
- The rash is generally red and scaly with sharp margins. It often spreads outward, with the central part becoming clear as the rash spreads.
- In some people, the area may remain darker than normal skin, even after the infection has been fully treated.
- The rash may not cause any symptoms but usually it is very itchy. In some cases, it may also cause stinging or burning. The rash is usually not painful.
- It can also cause the skin to be wet and "weepy."
- The surrounding skin may become infected and cause Cellulitis (inflammation).
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- Jock itch is due to a fungal infection of the skin around the groin and in between the buttocks.
- The bacteria responsible for jock itch are as follows:
- Epidermophyton floccosum
- Trichophyton rubrum
- Trichophyton mentagrophytes
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- Examination -- the doctor usually easily recognizes the typical appearance of the rash.
- The doctor may also scrape the rash and examine it under the microscope.
- Sometimes a culture of the rash may be needed to make the diagnosis.
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- Treatment with any one of the numerous anti-fungul creams.
- Usually, the treatment needs to be continued for 1 to 2 weeks. Sometimes, over-the-counter anti-fungus creams are enough. Other times, one may need a prescription-strength cream.
- For jock itch that does not respond to creams, an oral anti-fungus medicine such as griseofulvin, itraconazole, or terbinafine can be used. However, all of these medications are expensive.
- Treatment is usually successful within 1 to 2 weeks.
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- General measures, used to prevent fungal infections, are important. Keep the skin dry -- moist skin encourages fungal infections.
- Dry all areas of the skin after a bath or after heavy sweating, especially in between skin folds and in the groin area.
- Wear loose-fitting clothing.
- Use talc or other drying powders to keep dry the areas that perspire a lot, especially the groin. You can even use over-the-counter anti-fungus powders for this purpose.
- People using steroid creams, taking steroid pills, or those with diabetes have a higher chance of developing fungal infections, and need to be especially careful.
- People who perspire a lot and obese people should be very careful to keep the area around the groin and buttocks dry. Remember, moist skin encourages fungal infections.
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