Posts tagged "cruris"

Tinea Corporis Tinea Cruris

What is Tinea Corporis Tinea Cruris?

Tinea is the fungus that causes ringworm, jock itch and athlete’s foot or in medical terms tinea corporis, tinea cruris and tinea pedis respectively. These infections are typically not serious, but they can be extremely uncomfortable. They can be contracted by touching or contact with an infected person, from damp surfaces such as shower floors, or even from a pet.

Tinea Corporis Tinea CrurisTinea corporis, is the name given to a fungus infection of the skin also called “ringworm of the body,” and often affects children and adults who live in hot, humid climates. The typical appearance of this infection is a circular plaque with a well outlined border. Since tinea corporis can be asymptomatic, it can spread rapidly among children and in day-care and school settings.  It may be spread from person to person, from contact with an infected animal, most often a cat, or from exposure to fungus in the soil. Itchy red scaly patches come up anywhere the animal has rubbed. They often develop into a ring. This kind of tinea usually clears up with appropriate creams.  If the condition was transferred by an animal, even if it has no signs of a skin problem the animal will need to be treated also.

Tinea Corporis Tinea Cruris Definition

Tinea cruris is usually referred to as “jock itch,” because as this condition implies, it causes itching or a burning sensation in areas of the groin, thigh skin folds, or anus.  It may involve the inner thighs and genital areas. Unlike yeast infections, tinea cruris generally does not involve the scrotum or the penis.  It is very common and affects men more often than women and rarely affects children.

Tinea Corporis Tinea Cruris Facts

The itchy red patches will spread in the warm moist areas of the body. Variations of red, tan, or brown coloration may appear in the infected areas.  Flaking, rippling, peeling, or cracking skin will also be present. Tinea cruris is often treated with antifungal drugs topically applied. Topical therapy is adequate in most patients with tinea cruris.  Oral therapy is the preferred treatment in cases where the infection spreads to the lower thighs or buttocks,. Customarily creams containing anti-fungal agents work by deterring the fungi from producing a substance called ergosterol, which is a necessary part of fungal cell membranes. If ergosterol synthesis is completely or partially blocked, the cell is no longer able to produce an intact cell membrane. This effectively kills the fungus.

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-Tinea Corporis Tinea Cruris-


Ringworm Athletes Foot Groin

Ringworm Athlete’s Foot Groin

Superficial fungal infections of the skin, known as dermatophytes, are some of the most common self-treatable trivial medical conditions affecting the population today. As many as one in five Americans have a dermatophyte infection at any particular time. When talking about the number of people affected the overall frequency is exceeded only by acne. Dermatophytes are limited to the upper layer of skin, where they subsist on the dead skin cells called keratin. There are several common dermatophytic infections constantly active in the United States. Ringworm, athlete’s foot, groin infection or what is commonly referred to as jock itch, are also quite common. It is difficult to determine the exact incidence of groin infections. It is not a reportable disease. Another factor that hinders documenting cases is the fact that patients are able to recognize it and treat it until it is cured.

Itching of the groin and in the genital area can be bacterial, but more often than not is caused by fungal infections. Humidity and moisture are contributing factors to coming down with any fungal infection. What occurs is similar to the growth patterns that are seen in molds, mildew, and similar plant species. They prefer warmth and moisture to be more specific. Clothing that fits tightly is thought to be an influencing factor in most fungal groin infections. For women, wearing pants instead of dresses has been labeled as one such influencing factor. Two significant factors come into play here. The first is the potential for moisture to accumulate underneath tight confining garments. Another is the risk of wearing clothing that has become contaminated and is not cleaned well. That is why most experts will recommend boiling the underclothing or contaminated garments thoroughly to minimize the occasion of the infection coming back.

The fungi that cause athlete’s foot also may cause jock itch or tinea cruris, which is an infection of the groin.  Toenail infection (onychomycosis), and fungal infection of the hand called tinea manuum can also be spread by athlete’s foot fungi. Vice versa having any of these other fungal infections is a risk factor for athlete’s foot. Most people who get this rash are in good health. Ringworm, athlete’s foot, groin infections occur more often in teenagers and young adults.   These infections are also more likely to show up if a person is experiencing hormonal imbalances or has a suppressed immune system.


Tinea Capitis Diagnosis

Tinea Capitis Diagnosis

ringworms - Tinea Corporis - Tinea CapitisA fungal infection of the scalp by mold-like fungi is called tinea capitis. Tinea capitis is also called ringworm of the scalp.  Tinea Capitis  is a skin disorder that affects children almost exclusively.  Fungal organisms known as dermatophytes cause scalp ringworm or Tinea Capitis  by superficially infecting certain kinds of tissue found in hair, skin, and nails. Tinea Capitis can be persistent and very contagious. Tinea Capitis  Symptoms may consist of itching, scaly, and inflamed balding areas on the scalp. Oral antifungal medications are required to treat the Tinea Capitis  infection.

A health care provider may suspect scalp ringworm by the tinea capitis symptoms on the scalp but tests should be done to confirm the tinea capitis diagnosis. Tinea Capitis  Tests may include skin lesion biopsy with microscopic examination or culture or a Wood’s lamp test to confirm a fungal scalp infection.

More About Tinea Capitis Diagnosis

Most dermatophytes do not fluoresce. There are exceptions.  Two of those exceptions are zoophilic dermatophytes. Zoonotic means the disease can be passed from animals to humans.  Cats are more likely to be infected of all animals.  The skin changes in cats are very similar to those of affected people, but cats can carry the infection without exhibiting obvious signs.  It is sometimes hard to tell the source of the fungus.  Microsporum canis and Microsporum andoui are zoonotic minor causes fluoresce a blue-green color. A Wood’s light examination can also help to differentiate erythrasma caused by the bacterium Corynebacterium minutissimum from tinea cruris.  The former fluoresces coral-red and the latter does not fluoresce.

The Wood’s light examination can be helpful in evaluating the scope of infection, identifying areas for sampling and determining treatment response when the tinea capitis diagnosis is positive. The examination can also be helpful for examining the contacts of an infected person.

Microscopic examination is fundamental to the office diagnosis of any Tinea Capitis infection. A biopsy is scraped from an active area of the lesion, placed in a drop of potassium hydroxide solution and examined by microscope. The examination is highly for Tinea Capitis is sensitive and specific for dermatophyte identification but can be done quickly and easily,

If hyphae are identified in fungal infections and if pseudohyphae or yeast forms are seen in Candida or Pityrosporum infections, microscopy is positive. A positive examination is adequate to justify starting Tinea Capitis treatment.  Species identification does not usually influence treatment choices.

There are several different options that are often used to treat this Tinea Capitis condition.  Suggestions for prevention include things like keeping the area clean.   Using a medicated shampoo, with ingredients like ketoconazole or selenium sulfide, may reduce the spread of infection.  It may be necessary for other family members and pets to be examined, diagnosed and treated. Treat Tinea Capitis now!

Tinea Capitis Treatment!

ringworms - Tinea Corporis - tinea capitisRingworm Medicine Pack

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All About Tinea Capitis.


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