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Ringworm Information
Everyday parents flock to available resources to find treatment for that unmistakable “ring” that gives indication their child has been infected with ringworm. Seeking information on ringworm can be frustrating when realizing the condition is highly contagious and causes some discomfort to their child.
The term "ringworm" refers to fungal infections that are on the surface of the skin. It was formerly believed that that the infection was caused by a worm, which it is not, but the term stuck with the infection anyway. Only a portion of these fungi produces round spots. On the other hand, many round spots are not associated with fungus infections at all. A physical examination of the affected skin, evaluation of skin scrapings under the microscope, and culture tests can help doctors make the appropriate distinctions. A proper diagnosis and accurate ringworm information is essential to successful treatment.
The world is full of yeasts, molds, and fungi, however only a few cause problems associated with the skin. These agents are called the dermatophytes, which means, "skin fungi." Skin fungi can only thrive on the dead layer of keratin protein on top of the skin. These skin conditions rarely invade deeper into the body and cannot live on mucous membranes, such as those in the mouth or vagina.
Some fungi live only on human skin, hair, or nails. Others live on animals and rarely cause human infections. While other fungi thrive in the soil. It is often difficult or in some cases, impossible to identify the causing source of a particular person's skin fungus.
Heat and moisture help fungi thrive and grow, which makes them more common in folds of the skin such as those in the groin or between the toes. This also accounts for the reputation of these fungus infections being transmitted through showers, locker rooms, and swimming pools. This reputation is overly exaggerated since many people with "jock itch" or "athlete's foot" are neither jocks nor athletes.
Among the types of ringworm, or tinea, are the following:
Tinea barbae: Ringworm of the face and neck, with swellings and marked crusting, often with itching, sometimes causing facial hair to break off. In the days when men went to the barber daily for a shave, tinea barbae was called barber's itch.
Tinea capitis: Ringworm of the scalp commonly affects children, mostly in late childhood or adolescence. This condition may spread in schools. Tinea capitis often appears as scalp scaling that is associated with bald spots
Tinea corporis: When fungus affects the skin of the body, it often produces the round spots of classic ringworm. Sometimes, these spots have an "active" outer border as they slowly grow and advance. It is important to distinguish this rash from other even more common rashes, such as nummular eczema. This condition, and others, may appear similar to ringworm, but they are not fungal and require different treatment.
Tinea cruris: Tinea of the groin ("jock itch") tends to have a reddish-brown color and to extend from the folds of the groin down onto one or both thighs. Other conditions that can mimic tinea cruris include yeast infections, psoriasis, and intertrigo, a chafing rash which results from the skin rubbing against the skin.
Tinea faciei: Ringworm on the face except in the area of the beard. On the face, ringworm is rarely ring-shaped. Characteristically, it causes red, scaly patches with indistinct edges.
Tinea manus: Ringworm involving the hands, particularly the palms and the spaces between the fingers. It typically causes thickening (hyperkeratosis) of these areas, often on only one hand. Tinea manus is a common companion of tinea pedis (ringworm of the feet). It is also called tinea manuum.
Tinea pedis: "Athlete's foot" may cause scaling and inflammation in the toe webs, especially the one between the 4th and 5th toes. Another common form of tinea pedis produces a thickening or scaling of the skin on the heels and soles. This is sometimes referred to as the “moccasin distribution.” In still other cases, tinea causes blisters between the toes or on the sole. Aside from "athlete's foot", tinea pedis is known as tinea of the foot or, more loosely, fungal infection of the feet. Tinea pedis is an extremely common skin disorder. It is the most common and perhaps the most persistent of the fungal (tinea) infections. It is rare before adolescence. It may occur in association with other fungal skin infections such as tinea cruris (jock itch).
Tinea unguium: Finally, fungus can make the fingernails and, more often, the toenails yellow, thick, and crumbly. They are called fungal nails or onychomycosis.
Sometimes, the diagnosis of ringworm is obvious from its location and appearance. Otherwise, skin scrapings for microscopic examination and a culture of the affected skin can establish the diagnosis of tinea or other causes of infection.
Ringworm can be treated topically with external applications or systemically with oral medications. Following is ringworm information outlined for seeking proper treatment.
Topical treatment: When fungus affects the skin of the body or the groin, many antifungal creams or essential oils developed for fungal infections can clear the condition in two weeks or so. Examples of such preparations include those that contain clotrimazole (Cruex cream, Desenex cream, Lotromin cream, lotion, and solution, and Lotrisone cream); miconazole (Monistat-Derm cream and Lotrimin cream, powder, and spray); ketoconazole (Nizoral cream and shampoo); and terbinafine (Lamisil cream and solution). These treatments are effective for many cases of foot fungus as well.
Systemic treatment: Some fungus infections do not respond well to external applications. Examples include scalp fungus and fungus of the nails. To penetrate these areas, oral medications may be necessary.
For a long time, the only effective antifungal tablet was griseofulvin (Fulvicin, Grifulvin, and Gris-PEG). In recent years, newer agents have been introduced that are both safer and more effective. These include terbinafine (Lamisil), itraconazole (Sporanox), and fluconazole (Diflucan). Reputations die hard, however, and many people continue to fear that even these newer agents are "bad for the liver."
Conventional wisdom holds that minimizing sweat and moisture can help prevent fungal infections. Common recommendations along these lines are for men to wear boxer shorts, for women to avoid panty hose, and so forth. One thing is certain, white socks, often recommended for athlete's foot are really not necessary. Many times ringworm information is outdated or relies on old wives tales for proper treatment and prevention. It is advised that you consult a physician to make certain you are not taking extreme measures that may not be necessary.
Dermatologist’s can rarely get through a week without seeing a few patients who are having trouble clearing up a fungus that they have self-diagnosed or had a physician misdiagnose for them. Nine times out of ten frustrations follow from the fact that they never had fungus to begin with. In such cases, the diagnosis of ringworm must be reconsidered and a proper diagnosis needs to be established.
