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  2. Petechia - Wikipedia

    en.wikipedia.org/wiki/Petechia

    The most common cause of petechiae is through physical trauma such as a hard bout of coughing, holding breath, vomiting, or crying, which can result in facial petechiae, especially around the eyes. Excessive scratching and friction, especially on thin and poorly circulated parts of the body may also cause petechiae.

  3. These Pictures Will Help You Identify the Most Common ... - AOL

    www.aol.com/pictures-help-identify-most-common...

    Petechiae What it looks like : “Petechiae is essentially blood leakage into the skin,” explains Dr. Lal. It looks like small red blotches or tiny, red pinpoint marks on the skin.

  4. List of skin conditions - Wikipedia

    en.wikipedia.org/wiki/List_of_skin_conditions

    Black heel and palm (black heel, calcaneal petechiae, chromidrose plantaire, post-traumatic punctate intraepidermal hemorrhage, tache noir) Callus (callosity, clavus, corn, heloma, heloma durum, heloma molle, intractable plantar keratosis, tyloma) Carbon stain Chilblains; Chilblains (pernio, perniosis)

  5. Non-blanching rash - Wikipedia

    en.wikipedia.org/wiki/Non-blanching_rash

    Individual purpura measure 3–10 mm (0.3–1 cm, 3 ⁄ 32-3 ⁄ 8 in), whereas petechiae measure less than 3 mm. [2] A non-blanching rash can be a symptom of bacterial meningitis , [ 3 ] but this is not the exclusive cause.

  6. Erysipelas - Wikipedia

    en.wikipedia.org/wiki/Erysipelas

    Erysipelas (/ ˌ ɛ r ə ˈ s ɪ p ə l ə s /) is a relatively common bacterial infection of the superficial layer of the skin (upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright red rash, typically on the face or legs, but which can occur anywhere on the skin.

  7. Purpura - Wikipedia

    en.wikipedia.org/wiki/Purpura

    Purpura (/ ˈ p ɜːr p jʊər ə / [1]) is a condition of red or purple discolored spots on the skin that do not blanch on applying pressure. The spots are caused by bleeding underneath the skin secondary to platelet disorders, vascular disorders, coagulation disorders, or other causes. [2]

  8. Thrombocytopenia - Wikipedia

    en.wikipedia.org/wiki/Thrombocytopenia

    Oral petechiae/purpura - immune thrombocytopenic purpura. Many cases of immune thrombocytopenic purpura (ITP), also known as idiopathic thrombocytopenic purpura, can be left untreated, and spontaneous remission (especially in children) is not uncommon. However, counts under 50,000/μL are usually monitored with regular blood tests, and those ...

  9. Rocky Mountain spotted fever - Wikipedia

    en.wikipedia.org/wiki/Rocky_Mountain_spotted_fever

    This causes the host cell membrane to protrude outward and invaginate the membrane of an adjacent cell. [21] The bacteria are then taken up by the neighboring cell in a double membrane vacuole that the bacteria can subsequently lyse, enabling spread from cell to cell without exposure to the extracellular environment.