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Skin Problems & Treatments Health Center

Medical Reference Related to Skin Problems & Treatments

  1. Pityriasis Versicolor

    Pityriasis versicolor. Scaly, hypopigmented macules of pityriasis versicolor on the chest of a child.

  2. Pigmented Nevi

    Pigmented nevi (moles) are growths on the skin that usually are flesh-colored, brown or black. Moles can appear anywhere on the skin, alone or in groups.

  3. Polymorphous Light Eruption on Nose

    Polymorphous light eruption. Patients with this condition develop papules, papulovesicles, or erythematous plaques in response to sun exposure. The lesions erupt a few hours to several days after the subject has been exposed to sunlight. Lesions are most often located on the face, upper chest, and exposed parts of the extremities. Ocular inflammation and cheilitis may also occur. Among North American and Latin American Indians, polymorphous light eruption tends to be a familial disease with childhood onset.

  4. Ringworm of the Groin (Tinea Cruris)

    Jock itch (tinea cruris) is a form of ringworm. Ringworm is not a worm at all; it is a fungal infection of the outer layers of skin, hair, or nails.

  5. Rash from Poisonous Plants

    Poison ivy, poison oak and poison sumac are plants that contain an irritating, oily sap called urushiol. Urushiol triggers an allergic reaction when it comes into contact with skin, resulting in an itchy rash, which can appear within hours of exposure or up to several days later.

  6. Pityriasis Rosea

    Pityriasis rosea is a harmless, common skin problem that causes a rash. Although it can occur at any age, it is seen most often in those between the ages of 10 and 35.

  7. Ringworm

    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.

  8. Rocky Mountain Spotted Fever

    Rocky Mountain spotted fever. This disease is caused by Rickettsia rickettsii and is transmitted by a number of different ticks. Despite its geographical title, Rocky Mountain spotted fever is present in many locations throughout the United States and the entire Western Hemisphere. After infection by tick bite, there is an incubation period of 2–14 days. The abrupt onset of the disease includes severe headache, fever, chills, arthralgia, and myalgia. After 2–3 days of these constitutional symptoms, erythematous macules erupt on the wrists, hands, forearms,legs, and ankles, as seen in these figures. Lesions then spread to the palms and soles and the trunk. The macules originally blanch with pressure but soon become purpuric and even necrotic. The disease causes a severe vasculitis and complications include disseminated intravascular coagulation, hemorrhage into the gastrointestinal and urinary tracts, and cardiovascular collapse.

  9. Port-Wine Stain

    Extensive port-wine stain on the right neck of a young female.

  10. Portuguese Man of War Sting

    The sting of the Portuguese man-of-war. One of the most painful effects on skin is the consequence of attack by oceanic hydrozoans known as Portuguese men-of-war, which are amazing for their size, brilliant color, and power to induce whealing. They have a small float that buoys them up and from which hang long tentacles. The wrap of these tentacles results in linear stripes, which look like whiplashes, caused not by the force of their swing but from deposition of urticariogenic and irritant substances.

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