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Skin Problems & Treatments Health Center

Medical Reference Related to Skin Problems & Treatments

  1. 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.

  2. 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.

  3. Polymorphous Light Eruption

    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. Poison Ivy Exposure

    Allergic contact dermatitis. Linear arrangement of vesicles on the wrist and bulla on the foot of a child exposed to poison ivy.

  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 Rubra Pilaris

    Pityriasis rubra pilaris. Diffuse salmon-colored plaques with characteristic islands of sparing on the chest of a child.

  7. Pyogenic Granuloma

    Pyogenic granuloma. Sudden appearance of a vascular nodule on the cheek of an infant.

  8. 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.

  9. Port-Wine Stain

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

  10. Port-Wine Stain

    Port-wine stain. This unilateral vascular malformation has a markedly different histology, significance, and natural history from that of the salmon patch. The port-wine stain is made up of capillary ectasias that may be present throughout the dermis and that gradually increase with age. The color changes from pink to purple as the patient grows, and the lesions may become nodular during adult life. Because port-wine stains show no tendency to involute, they may represent a significant, lifelong cosmetic problem.

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