When was ringworm found

Wilson and T. Durham; Natural History. English Translation by Jones WH. Cambridge: Harvard University Press; Dermatophytosis Qooba a misnomer infection and its management in modern and Unani perspective — A comparative view.

J Med Plants Stud ; Turner D. London: R and J Bonwicke and Others; Turner JP. Ringworm and its Successful Treatment. Ainsworth GC. Medical Mycology: An Introduction to its Problems. Weitzman I, Summerbell RC. The dermatophytes. Clin Microbiol Rev ; An Introduction to Medical Mycology. Chicago: The Year Book Publishers; Swartz JH. Elements of Medical Mycology. Gruby D. Emmons CW. Dermatophytes: Natural groupings based on the form of the spores and accessory organs.

Arch Dermatol Syphylol ; Routine nutritional tests for the identification of dermatophytes. J Bacteriol ; Kligman AM. Pathophysiology of ringworm infections in animals with skin cycles. J Invest Dermatol ; Weitzman I. Variation in Microsporum gypseum. A genetic study of pleomorphism. Sabouraudia ; Over time, it may look like one or more rings with raised, bumpy, scaly borders the center is often clear.

This ring pattern gave ringworm its name, but not every infected person has it. The skin may flake, peel, or crack, and it can itch, sting, burn, or feel uncomfortable. Ringworm on the scalp may start as a small sore that looks like a pimple before becoming patchy, flaky, or scaly.

These flakes may look like dandruff. It can make some hair fall out or break into stubble, leaving a bald spot. It also can make the scalp swollen, tender, and red. Sometimes, it causes a pus-filled mass known as a kerion.

When the scalp is infected, it can cause swollen lymph nodes at the back of the head or neck. Ringworm on the nails may affect one or more nails on the hands or feet. The nails may become thick, white or yellowish, and brittle. Ringworm is caused by fungi that normally live on the skin, hair, and nails called dermatophytes pronounced: der-MAH-tuh-fites.

When the environment they live in gets warm and moist, they grow out of control and start to cause symptoms. Besides spreading from person to person, ringworm can come from pets or other animals usually cats, dogs, or rodents. It thrives in warm, moist environments such as public showers, locker rooms, or pool areas. Ringworm is a contagious fungal infection caused by common mold-like parasites that live on the cells in the outer layer of your skin.

It can be spread in the following ways:. A fungal infection rarely spreads below the surface of the skin to cause serious illness.

Ringworm is difficult to prevent. The fungus that causes it is common, and the condition is contagious even before symptoms appear. Take these steps to reduce your risk of ringworm:. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version. This content does not have an Arabic version. Overview Ringworm on an arm Open pop-up dialog box Close. Ringworm on an arm Ringworm often causes a ring-shaped rash that is itchy, scaly and slightly raised.

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