Fungal skin infection (Ringworm): Causes, Symptoms, Risk Factor, Diagnosis and Treatment - PowerPoint PPT Presentation

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Fungal skin infection (Ringworm): Causes, Symptoms, Risk Factor, Diagnosis and Treatment


Ringworm is a fungal skin infection that causes a red, circular, itchy rash. Ringworm is officially known as tinea or dermatophytosis. Ringworm is referred to by other names depending on the part of the body that is affected. – PowerPoint PPT presentation

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Title: Fungal skin infection (Ringworm): Causes, Symptoms, Risk Factor, Diagnosis and Treatment

Fungal skin infection (Ringworm)
Fungal skin infection (Ringworm)
  • Ringworm infection  can affect both humans and
    animals. The infection initially presents with
    red patches on affected areas of the skin and
    later spreads to other parts of the body. The
    infection may affect the skin of the scalp, feet,
    groin, beard, or other areas.
  • The infection is caused by fungus, not any worm
  • Ringworm occurs in people of all ages, but it is
    particularly common in children.
  • It occurs most often in warm, moist climates.
    Ringworm is a contagious disease and can be
    passed from person to person by contact
    with infected skin areas or by sharing combs and
    brushes, other personal care items, or clothing.
  • It is also possible to become infected with
    ringworm after coming in contact with locker room
    or pool surfaces.
  • The infection can also affect dogs and cats, and
    pets may transmit the infection to humans.

Symptoms of ringworm
  • Symptoms vary depending on where youre
    infected. With a skin infection, Following
    symptoms may be seen
  • Red, itchy, scaly, or raised patches
  • Patches that develop blisters or begin to ooze
  • Patches that may be redder on the outside edges
    or resemble a ring
  • Patches with edges that are defined and raise
  • If ringworm is experienced in nails, they may
    become thicker or discoloured, or they may begin
    to crack.
  • If the scalp is affected, the hair around it may
    break or fall off, and bald patches may develop.

Diagnosis of ringworm
  • A ringworm id diagnosed by simple physical
    examination, but in certain cases some other
    tests may be done. Which include
  • Skin biopsy or fungal culture, where doctor will
    take a sample of the skin or discharge from a
    blister and check it for the presence of fungus.
  • KOH exam, in this case doctor will scrape off a
    small area of infected skin and place it in
    potassium hydroxide (KOH). The KOH destroys
    normal cells and leaves the fungal cells
    untouched, so theyre easy to see under a

Types of ringworms
  • Ringworm can have different names depending on
    the part of the body affected.
  • Ringworm of the scalp (tinea capitis) often
    starts as small sores that develop into itchy,
    scaly bald patches. It is most common among
  • Ringworm of the body (tinea corporis) often
    appears as patches with the characteristic round
    ring shape.
  • Jock itch (tinea cruris) refers to ringworm
    infection of the skin around the groin, inner
    thighs, and buttocks. It is most common in men
    and adolescent boys.
  • Athletes foot (tinea pedis) is the common name
    for ringworm infection of the foot. It is
    frequently seen in people who go barefoot in
    public places where the infection can spread,
    such as locker rooms, showers, and swimming pools.

Causes of ringworm
  • Three different types of fungi can cause this
    infection. They are called trichophyton,
    microsporum, and epidermophyton.
  • These fungi may live for an extended period as
    spores in soil. Humans and animals can contract
    ringworm after direct contact with this soil.
  • The infection can also spread through contact
    with infected animals or humans. The infection is
    commonly spread among children and by sharing
    items that may not be clean.

Risk factors of ringworm
  • Anyone can get ringworm infection. But, the
    infection is very common among children and
    people who own pet cats. Both cats and dogs can
    catch ringworm and then pass it on to humans who
    touch them.
  • People may develop ringworm if they come into
    contact with the fungi while they are wet or have
    minor skin injuries or abrasions. Using a public
    shower or public pool areas may also expose
    anyone to the infective fungi.
  • Being barefoot often, ringworm of the feet
    (athletes foot) may be developed. Those who
    often share items such as hairbrushes or unwashed
    clothing also have an increased risk of
    developing the infection

Treatment of ringworm
  • Tropical treatment- Use of antifungal cream
    externally can cure ringworms in two weeks. Some
    of such creams may include contain clotrimazole
    (Cruex cream, Desenex cream, Lotrimin cream,
    lotion, and solution), miconazole (Monistat-Derm
    cream), ketoconazole (Nizoral cream), econazole
    (Spectazole), naftifine (Naftin) etc.
  • Systematic treatment- Some cases may not respond
    to external treatment. In such cases anti-fungal
    tablet may be given, which may include
    terbinafine, itraconazole (Sporanox), and
    fluconazole (Diflucan). Oral medications are
    usually given for a three-month course.
  • Ringworm is a preventable codition, certain
    treatment and prevention can cure a patient in 2
    weeks to 1 month.

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