Ringworm stages

Mar 1, 2023 · This skin infection is a ring-like rash that appears anywhere on the body or face. It happens in people of all ages, but it is more common in children. It is also more common in warmer climates. The symptoms may include: Red, ring-like rash with raised edges. The middle of the rash may become less red as the lesion grows.

Ringworm stages. Advanced Stages. The majority of pictures of ringworm are taken in the advanced stage of the skin disease when the infection has fully presented itself. Ringworm on skin is typically a red raised rash. Small bumps or blisters may form on the border and it will itch like crazy. Scalp ringworm usually leads to reddening, scaling, and crusting of ...

Ringworm is the common name given to a fungal infection of the skin, hair, and nails. Ringworm infections can occur in humans and in all domesticated species of animals. The name comes from the classical appearance of the round, red, raised 'ring' marking the boundary of inflammatory lesions in people infected with the disease.

Ringworm, dog. Infected dogs develop bald, scaly patches with broken hairs. Dogs may also develop acne-like bumps on the skin. The most common sites affected by ringworm are the face, ear tips, tail, and feet. Ringworm is diagnosed by fungal culture, examination with an ultraviolet lamp, and direct microscopic examination of hair or skin scale.Over time, the bump turns into a ring- or circle-shaped patch. It may turn into several rings. The inside of the patch is usually clear or scaly. The outside might be slightly raised and bumpy ...Apr 16, 2021 · Healing Stage of Ringworm During the First 2 Weeks. There is one way to describe the healing stage of ringworm. It’s a slow and gradual process. If you have contracted this fungal infection, your symptoms will most likely appear during the early part of the second week after contracting the disease. Stage 1: Less itching The first symptoms of ringworm that will diminish during treatment are the itching and redness. Blisters and the ring-shaped rash will still be present, but may look less red and irritated.Ringworm (also called tinea or dermatophytosis) is a very common fungal infection of the skin and nails that has nothing to do with worms. ( 1) The condition is called ringworm because it tends to ...

May 19, 2023 · Ringworm symptoms. The most common symptom of ringworm is the emergence of a small area of infected skin that tends to spread outwards. In most cases, ringworm develops into a rounded, red, inflamed patch of skin. The outer edge is more inflamed and scaly than the paler centre. Ringworm is a fungal infection that causes ring-shaped lesions on the outer layers of the skin. These lesions are typically red and itchy, and they can appear on the scalp, outer extremities, or ...Apr 18, 2022 · Common signs of ringworm in dogs include: Roughly circular areas of hair loss (but not always circular) Red, inflamed, or scabby skin. Rough, brittle, broken claws (if nails are infected) Affected skin isn’t usually itchy. If left untreated, ringworm lesions become larger and irregular in shape, and the fungus spreads to other areas of the ... Stages Of Ringworm - Introduction. Before we look at the stages of Ringworm I think it is important to understand what Ringworm is and isn't. It has nothing whatsover to do with any type of worm and is in fact a contagious fungus infection. It can appear on the body, usually around the groin area but also on the scalp and the nails. Ringworm (Tinea corporis) Photo Credit: Bernard Cohen. Description: Ringworm is a common skin infection that is caused by a fungus. It’s called “ringworm” because it can cause a ring-shaped rash that is usually red and itchy with raised edges.Dec 29, 2020 · CDC Fungal Diseases Types of Fungal Diseases Ringworm Ringworm is a common skin infection that is caused by a fungus. It’s called “ringworm” because it can cause a circular rash (shaped like a ring) that is usually red and itchy. Anyone can get ringworm. Sep 3, 2023 · Stage 4: Complete Healing and Disappearance of Ringworm. This stage develops when the lesion has healed completely and there are no visible signs of the infection. During this time, the skin is back to normal and there are no signs of redness or inflammation. Usually, it takes between two and four weeks for a ringworm infection to heal completely. Mar 10, 2023 · Ringworm (Tinea corporis) Photo Credit: Bernard Cohen. Description: Ringworm is a common skin infection that is caused by a fungus. It’s called “ringworm” because it can cause a ring-shaped rash that is usually red and itchy with raised edges.

The rash usually develops 4–14 days after the person comes into contact with the fungi and develops the infection. A person with a weakened immune system is more likely to experience symptoms of the infection. Beyond the rash, ringworm can occur with itchiness, cracked skin, and hair loss. What are the ringworm stages? Recognizing ringworm symptoms can result in red, itchy, or scaly patches on the skin, as well as raised skin areas known as plaques. Blisters or pustules form on patches. On the outside edges, patches that may be redder or resemble a ring appear to be redder. Patches with defined and raised edges. Aug 29, 2023 · Additionally, tinea capitis, which is the ringworm of the scalp, is more commonly found in Africa, Southeast Asia, and Central America (because of the heat and humidity). So, you might be more likely to get this infection if you live in such regions. What Are The Stages Of Ringworm Infection? Ringworm can incubate for 1-3 weeks. Jan 22, 2022 · Signs and symptoms of ringworm of the scalp may include: One or more round, scaly or inflamed patches where the hair has broken off at or near the scalp. Patches that slowly get bigger and have small, black dots where the hair has broken off. Brittle or fragile hair that can be easily broken or pulled out. Tender or painful areas on the scalp.

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Foul odor Rash on one or both hands because touching the infected foot can spread the infection to your hands Ringworm infection between the toes Signs of a ringworm infection on the feet can be indicated by itching, burning, and stinging on your soles and between your toes. Ringworm infection on the sole of footRingworm infection on the arm af a caucasian adult male Ringworm infection on the arm of a caucasian adult male. This fungal skin infection causes itching, redness and scaly skin and the rings are called plaques. ringworm stock pictures, royalty-free photos & images Stages Of Ringworm - Introduction. Before we look at the stages of Ringworm I think it is important to understand what Ringworm is and isn't. It has nothing whatsover to do with any type of worm and is in fact a contagious fungus infection. It can appear on the body, usually around the groin area but also on the scalp and the nails.Intense redness and swelling. Pus-filled bumps. Hair loss (hair often returns when ringworm is treated) Swollen lymph nodes. Raw, open skin. Raised soft, spongy skin that weeps fluid. A skin problem that looks like acne, folliculitis, or another skin condition. Some men feel tired and rundown.The symptoms of ringworm include: a ring-like red or silvery rash on your skin – your skin will look red and irritated around the ring, but healthy inside. scaly, itchy and inflamed skin. the rings may multiply, grow in size and merge together. the rings may feel slightly raised and the skin underneath may be itchy.

Feline ringworm is among the most frequently occurring skin disorders affecting the worldwide cat population. Clinical signs include circular areas of hair loss, broken and stubbly hair, scaling or crusty skin, alterations in hair or skin color, inflamed areas of skin, excessive grooming and scratching, infected claws or nail beds, and dandruff.While a diagnosis of ringworm might give you the heebie-jeebies, it rarely causes serious problems and it is both treatable and, to an extent, preventable. Identifying ringworm infections at an early stage can prevent transmission and limit contamination, so dog owners should become familiar with the common signs. RISK FACTORSRingworm is a type of skin infection. It looks like a red skin rash that forms a ring around normal-looking skin. Ringworm infection is not caused by an actual worm but by fungi on the skin, hair, and nailbeds. The symptoms of ringworm vary, depending on which part of the body is affected. Most cause itching.Aug 8, 2017 · Ringworm is a superficial skin condition affecting a few specific areas of the body (primarily the head, ears, paws and forelegs), and typically, you will notice inflammation at the site of infection. In canines, the fungus lives and grows in the outermost epidermal layer and in the hair follicles, and sometimes the nail beds. Ringworm, dog. Infected dogs develop bald, scaly patches with broken hairs. Dogs may also develop acne-like bumps on the skin. The most common sites affected by ringworm are the face, ear tips, tail, and feet. Ringworm is diagnosed by fungal culture, examination with an ultraviolet lamp, and direct microscopic examination of hair or skin scale. The different types of ringworm include the following: Tinea corporis: When fungus affects the skin of the body, it often produces the round spots of classic ringworm. The first stage of symptoms involves a red, scaly area of skin that may be slightly raised (plaque). This stage tends to worsen rapidly.Stage 1: Less itching The first symptoms of ringworm that will diminish during treatment are the itching and redness. Blisters and the ring-shaped rash will still be present, but may look less red and irritated.The rash usually develops 4–14 days after the person comes into contact with the fungi and develops the infection. A person with a weakened immune system is more likely to experience symptoms of the infection. Beyond the rash, ringworm can occur with itchiness, cracked skin, and hair loss. The ancient Greeks called ringworm "herpes," meaning "ring," while the ancient Romans called it "tinea," referring to the larval stage of a clothes moth. Characterized by round skin lesions (rings) and early belief that the infection was caused by a parasitic worm, the English word "ringworm" was born sometime in the early 15th century.Scabies is caused by a mite, whereas ringworm is a fungal infection. (5,6) Other rashes, such as poison ivy, are due to an allergic reaction. (4) And some sores and rashes result from a viral ...

May 18, 2023 / Skin Care & Beauty A Rash Decision: How To Cure Ringworm Over-the-counter antifungal creams usually get the job done Being told you have a case of ringworm is enough to make your skin crawl. Thankfully, the condition is not nearly as creepy-crawly as it sounds. There aren’t even any worms involved. (Cue sigh of relief.)

Ringworm is the common name given to a fungal infection of the skin, hair, and nails. Ringworm infections can occur in humans and in all domesticated species of animals. The name comes from the classical appearance of the round, red, raised 'ring' marking the boundary of inflammatory lesions in people infected with the disease. Scabies is caused by a mite, whereas ringworm is a fungal infection. (5,6) Other rashes, such as poison ivy, are due to an allergic reaction. (4) And some sores and rashes result from a viral ...Symptoms of Ringworm in Cats. Clinical signs associated with ringworm are areas of hair loss (alopecia), as well as crusty, scabby areas, increased skin scales (like dandruff) and a variable level of inflammation (a form of dermatitis, with redness, soreness and itchiness). Sometimes, distinct focal patches of alopecia are seen (the classic ...Common signs of ringworm in dogs include: Roughly circular areas of hair loss (but not always circular) Red, inflamed, or scabby skin. Rough, brittle, broken claws (if nails are infected) Affected skin isn’t usually itchy. If left untreated, ringworm lesions become larger and irregular in shape, and the fungus spreads to other areas of the ...Foul odor Rash on one or both hands because touching the infected foot can spread the infection to your hands Ringworm infection between the toes Signs of a ringworm infection on the feet can be indicated by itching, burning, and stinging on your soles and between your toes. Ringworm infection on the sole of footFeet (tinea pedis or “athlete’s foot”): The symptoms of ringworm on the feet include red, swollen, peeling, itchy skin between the toes (especially between the pinky toe and the one next to it). The sole and heel of the foot may also be affected. In severe cases, the skin on the feet can blister. Scalp (tinea capitis): Ringworm on the ...Ringworm is a contagious fungus that can be spread from cat to cat with direct contact. Direct contact can include touching an infected cat, touching an infected person, or contact with any contaminated objects. Ringworm spores can persist on food bowls, blankets, furniture, toys, combs, carpet, and virtually any porous surface. Ringworm is a contagious fungus that can be spread from cat to cat with direct contact. Direct contact can include touching an infected cat, touching an infected person, or contact with any contaminated objects. Ringworm spores can persist on food bowls, blankets, furniture, toys, combs, carpet, and virtually any porous surface.

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Apr 17, 2023 · Symptoms of Ringworm in Cats. Clinical signs associated with ringworm are areas of hair loss (alopecia), as well as crusty, scabby areas, increased skin scales (like dandruff) and a variable level of inflammation (a form of dermatitis, with redness, soreness and itchiness). Sometimes, distinct focal patches of alopecia are seen (the classic ... Feline ringworm is among the most frequently occurring skin disorders affecting the worldwide cat population. Clinical signs include circular areas of hair loss, broken and stubbly hair, scaling or crusty skin, alterations in hair or skin color, inflamed areas of skin, excessive grooming and scratching, infected claws or nail beds, and dandruff.Ringworm Rash Stages Ringworm occurs in three main stages: beginning, advanced and recovery stage. In the beginning stage a rash may appear in a circular ring pattern and may or may not be itchy.Ringworm on a dog looks like circular-shaped bald hair patches on multiple areas of the dog’s body including their belly. The patches typically have a crusty covering like dandruff. In serious cases, ringworm isn’t dry-looking. Instead, it appears as red, round-shaped patches of missing hair. Below are pictures of what ringworm looks like ...I was very interested to see various comments about ringworm. My ringworm started 10 months ago and was prescribed various creams until 2 weeks ago. Then I was prescribed oral terminating. Thankfully I have not experienced any of the side effects others on this site have experienced. To date, there has been no improvement in the inflamed area. Ringworm is also known as dermatophytosis. It is a fungal infection on the skin which appears to be round, red, scaly, itchy rash. The incubation period for this infection is fourteen days. Ringworm can be caused by any of forty types of fungi, out of which the most common types are Microsporum, Epidermophyton, and Trichophyton.Jun 25, 2023 · With treatment, a ringworm infection on a part of the body without hair (glabrous skin) is likely to clear up within two to four weeks of the start of treatment. More serious cases, and infections ... Aug 8, 2017 · Ringworm is a superficial skin condition affecting a few specific areas of the body (primarily the head, ears, paws and forelegs), and typically, you will notice inflammation at the site of infection. In canines, the fungus lives and grows in the outermost epidermal layer and in the hair follicles, and sometimes the nail beds. Nov 21, 2011 · Question about ringworm healing stages. My husband and I adopted Wompy off the streets a 9 days ago, on Sunday, and took him to the vet right away. Vet said other than some stomach worms and fleas he looked fine. So we gave him meds for that and he seemed fine until tuesday when i noticed a scaly patch of skin under his fur. Erythema - Redness on the chest, head, forelegs, or the back ridge; Shedding and patchy hair loss at different levels (often associated with “crusty” skin) found on the tail, head, chest, or the back’s ridge; Scaling, reddening, crusting, and thickening patches of the skin and coat if the entire body is infected; A ring of flakey bald ...Jun 25, 2023 · With treatment, a ringworm infection on a part of the body without hair (glabrous skin) is likely to clear up within two to four weeks of the start of treatment. More serious cases, and infections ... ….

Ringworm on the scalp is also known as tinea capitis. It is more common in children than adults and especially common in kids aged 3–7 . Tinea capitis is contagious , and it can cause scaly ...Over time, the bump turns into a ring- or circle-shaped patch. It may turn into several rings. The inside of the patch is usually clear or scaly. The outside might be slightly raised and bumpy ...Sections of hair may break off near the scalp, leaving scaly, red areas or bald spots. You may see black dots where the hair has broken off. Left untreated, these areas can gradually grow and ...Ringworm is a contagious fungus that can be spread from cat to cat with direct contact. Direct contact can include touching an infected cat, touching an infected person, or contact with any contaminated objects. Ringworm spores can persist on food bowls, blankets, furniture, toys, combs, carpet, and virtually any porous surface. Ringworm on a dog looks like circular-shaped bald hair patches on multiple areas of the dog’s body including their belly. The patches typically have a crusty covering like dandruff. In serious cases, ringworm isn’t dry-looking. Instead, it appears as red, round-shaped patches of missing hair. Below are pictures of what ringworm looks like ...Pityriasis rosea (pih-tuh-RY-uh-sis ROH-zee-uh) is a common skin condition that causes patches of your skin to develop raised, scaly rashes. It may appear on any part of your body, but it usually appears on the trunk (torso), arms and legs. “Pityriasis” means “scaly,” and “rosea” means “pink,” but the rashes may look red, gray ...Ringworm is the common name given to a fungal infection of the skin, hair, and nails. Ringworm infections can occur in humans and in all domesticated species of animals. The name comes from the classical appearance of the round, red, raised 'ring' marking the boundary of inflammatory lesions in people infected with the disease. About Ringworm. Medical illustration of Microsporum canis, one of the types of fungi that causes ringworm. Ringworm is a common infection of the skin and nails that is caused by fungus. The infection is called “ringworm” because it can cause an itchy, red, circular rash. Ringworm is also called “tinea” or “dermatophytosis.”.Ringworm is a fungal infection that affects the fur, skin, and nails of a guinea pig. The fungus, known as dermatophytosis , invades the top layer of a guinea pig’s skin. Although ringworm is uncommon in guinea pigs, infections tend to occur in young, much older, pregnant, or otherwise immunocompromised animals.The different types of ringworm include the following: Tinea corporis: When fungus affects the skin of the body, it often produces the round spots of classic ringworm. The first stage of symptoms involves a red, scaly area of skin that may be slightly raised (plaque). This stage tends to worsen rapidly. Ringworm stages, Feline ringworm is among the most frequently occurring skin disorders affecting the worldwide cat population. Clinical signs include circular areas of hair loss, broken and stubbly hair, scaling or crusty skin, alterations in hair or skin color, inflamed areas of skin, excessive grooming and scratching, infected claws or nail beds, and dandruff., Jan 14, 2016 · Ringworm Rash Stages Ringworm occurs in three main stages: beginning, advanced and recovery stage. In the beginning stage a rash may appear in a circular ring pattern and may or may not be itchy. , Feline ringworm is among the most frequently occurring skin disorders affecting the worldwide cat population. Clinical signs include circular areas of hair loss, broken and stubbly hair, scaling or crusty skin, alterations in hair or skin color, inflamed areas of skin, excessive grooming and scratching, infected claws or nail beds, and dandruff. , Aug 8, 2017 · Ringworm is a superficial skin condition affecting a few specific areas of the body (primarily the head, ears, paws and forelegs), and typically, you will notice inflammation at the site of infection. In canines, the fungus lives and grows in the outermost epidermal layer and in the hair follicles, and sometimes the nail beds. , Aug 13, 2013 · Ringworm Symptoms To properly identify ringworm on your body, it is important to know the appearance of this skin condition on each body part. When it appears on the skin, ringworm makes circular, reddish patches with raised borders as the patches grow larger, and the centers of these patches turn clear, giving them a ring-like appearance, says ... , While a diagnosis of ringworm might give you the heebie-jeebies, it rarely causes serious problems and it is both treatable and, to an extent, preventable. Identifying ringworm infections at an early stage can prevent transmission and limit contamination, so dog owners should become familiar with the common signs. RISK FACTORS, CDC Fungal Diseases Types of Fungal Diseases Ringworm Ringworm is a common skin infection that is caused by a fungus. It’s called “ringworm” because it can cause a circular rash (shaped like a ring) that is usually red and itchy. Anyone can get ringworm., Rarely, athlete’s foot can be caused by non-dermatophytes like yeast ( candida ). Athlete's foot is caused by the same type of fungi (dermatophytes) that cause ringworm. (Photo credit: Science ..., Ringworm (also called tinea or dermatophytosis) is a very common fungal infection of the skin and nails that has nothing to do with worms. ( 1) The condition is called ringworm because it tends to ..., Rarely, athlete’s foot can be caused by non-dermatophytes like yeast ( candida ). Athlete's foot is caused by the same type of fungi (dermatophytes) that cause ringworm. (Photo credit: Science ... , Human ringworm "male with multiple ringworm infections. Any of a number of contagious skin diseases caused by several related fungi, characterized by ring-shaped, scaly, itching patches on the skin and generally classified by its location on the body., Ringworm is characterized by a red ring of small blisters or a red ring of scaly skin that grows outward as the infection spreads. Though children are especially susceptible to catching ringworm, it can affect adults as well. Image: Courtesy of Dr. Lucille K. Georg/ Centers for Disease Control and Prevention (CDC) Text: "Understanding Ringworm ... , Ringworm is a superficial skin condition affecting a few specific areas of the body (primarily the head, ears, paws and forelegs), and typically, you will notice inflammation at the site of infection. In canines, the fungus lives and grows in the outermost epidermal layer and in the hair follicles, and sometimes the nail beds., The rash usually develops 4–14 days after the person comes into contact with the fungi and develops the infection. A person with a weakened immune system is more likely to experience symptoms of the infection. Beyond the rash, ringworm can occur with itchiness, cracked skin, and hair loss., Ringworm is a type of skin infection. It looks like a red skin rash that forms a ring around normal-looking skin. Ringworm infection is not caused by an actual worm but by fungi on the skin, hair, and nailbeds. The symptoms of ringworm vary, depending on which part of the body is affected. Most cause itching., Ringworm Symptoms To properly identify ringworm on your body, it is important to know the appearance of this skin condition on each body part. When it appears on the skin, ringworm makes circular, reddish patches with raised borders as the patches grow larger, and the centers of these patches turn clear, giving them a ring-like appearance, says ..., Jan 13, 2022 · Symptoms of Ringworm in Cats. The following symptoms are most commonly seen with ringworm in cats. Cats may have circular thickened patches of skin with hair loss. Hair loss occurs when the fungi infect the hair shaft, resulting in weakening of the infected hairs. These hairs are easy to remove with gentle pressure. , The fungal infection can develop on the body, but especially under fingernails and on feet. Ringworm skin lesions normally begin as distinctive, reddish round areas of hair loss, which may progress to reddening, thickening and loss of pigmentation to other skin areas. The Centers for Disease Control and Prevention notes that rash can be dry and ..., Mar 7, 2023 · Pityriasis rosea is a common rash that usually begins as a round or oval-shaped patch and spreads in stages in a characteristic pattern. It may or may not be itchy and usually lasts six to eight weeks before resolving on its own. The four stages of pityriasis rosea are: Preliminary stage: You feel ill for a day or two. , Jun 15, 2020 · Stages of Ringworm. You won’t see ringworm right away when the fungus has infected you. It can take up to 2 weeks before you start noticing symptoms. Some of the stages you may see include: Initial stage. During this stage, you may notice a pink or red irritated patch of skin. , Jan 5, 2023 · Ringworm is a skin infection that causes jock itch and athlete’s foot. Ringworm is usually easy to notice because of its shape. A patch that may itch or be scaly will often turn into a raised ... , Aug 24, 2020 · Oftentimes, vets treat ringworm with a combination of antifungal therapies. Your dog may need medicated ointments or shampoos as well as an oral medication like terbinafine, fluconazole, or griseofulvin. The surest way to beat ringworm is to follow your vet's treatment plan, even if your dog's skin and fur look better. , Ringworm, also known as tinea and dermatophytosis, is a fungal infection that affects the skin. Patients with this condition will notice a red, circular rash on the skin. Typically, the rash begins as a flat, scaly area that is red and itchy, and as the rash progresses, it becomes slightly elevated above the skin's surface, and the edges take ..., Aug 29, 2023 · Additionally, tinea capitis, which is the ringworm of the scalp, is more commonly found in Africa, Southeast Asia, and Central America (because of the heat and humidity). So, you might be more likely to get this infection if you live in such regions. What Are The Stages Of Ringworm Infection? Ringworm can incubate for 1-3 weeks. , Based on all these factors, ringworm is classified into the following stages: Early Stages: In the early stage, you will not get too much symptom of ringworm. It usually takes four to fourteen days for the symptoms of ringworm to appear clearly., Aug 25, 2023 · Athlete's foot is caused by the same type of fungi (dermatophytes) that cause ringworm and jock itch. Damp socks and shoes and warm, humid conditions favor the organisms' growth. Athlete's foot is contagious and can spread through contact with an infected person or from contact with contaminated surfaces, such as towels, floors and shoes. , Ringworm, dog. Infected dogs develop bald, scaly patches with broken hairs. Dogs may also develop acne-like bumps on the skin. The most common sites affected by ringworm are the face, ear tips, tail, and feet. Ringworm is diagnosed by fungal culture, examination with an ultraviolet lamp, and direct microscopic examination of hair or skin scale., Rarely, athlete’s foot can be caused by non-dermatophytes like yeast ( candida ). Athlete's foot is caused by the same type of fungi (dermatophytes) that cause ringworm. (Photo credit: Science ... , May 31, 2020 · 155. May 31, 2020. #1. Hi all, I got a guinea pig from what I thought was a reputable source, but she turned out to have quite a severe case of ringworm. I've taken her to the vet (prescribed oral antifungal meds) and have nearly finished the treatment course. I've also given her 2 baths. The ringworm is looking much better, fur is starting to ... , Tinea corporis, also known as ringworm of the body, tinea circinata, or simply ringworm, is a fungal infection on the surface of the skin. Ringworm may be passed to humans from direct contact with infected people, infected animals, contaminated objects (such as towels or locker room floors), and the soil. The most common type, which appears as ..., Ringworm healing takes time and it passes through several stages. The healing process starts with a reduction in itching followed by a decrease in scaling. After this, the redness subsides and eventually, the rash clears. The length of time it takes to heal will depend on the area involved and if it was treated., Mar 7, 2023 · Pityriasis rosea is a common rash that usually begins as a round or oval-shaped patch and spreads in stages in a characteristic pattern. It may or may not be itchy and usually lasts six to eight weeks before resolving on its own. The four stages of pityriasis rosea are: Preliminary stage: You feel ill for a day or two. , Feb 1, 2022 · Ringworm is a fungal infection that can affect the skin, hair, or nails. The medical term for this type of infection is called dermatophytosis. The most common fungal organisms that can cause ringworm are . The fungus feeds on dead hair or skin cells. While ringworm is most commonly found in cats, it can also be contracted by dogs and humans.