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Erythema (Ancient Greek: ἐρύθημα, from Greek erythros 'red') is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. [1] It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology include nervous blushes. [2]
The International Red Cross wound classification system is a system whereby certain features of a wound are scored: the size of the skin wound(s); whether there is a cavity, fracture or vital structure injured; the presence or absence of metallic foreign bodies. A numerical value is given to each feature (E, X, C, F, V, and M).
Common signs include redness and pain around the area of the surgical wound. A cloudy or purulent fluid may drain from the wound , indicating infection. Fever is another common symptom , which may accompany other signs such as increased warmth, swelling , or delayed healing at the surgical site.
The term "cheilocandidiasis" describes exfoliative (flaking) lesions of the lips and the skin around the lips, and is caused by a superficial candidal infection due to chronic lip licking. [26] Impetigo (caused by Streptococcus pyogenes and/or Staphylococcus aureus ), can manifest as an exfoliative cheilitis-like appearance.
The wound usually appears red and can be accompanied by drainage. Clinicians delay re-opening the wound unless it is necessary due to the potential of other complications. If the surgical wound worsens, or if a rupture of the digestive system is suspected the decision may be to investigate the source of the drainage or infection. [2] [3]
Perianal cellulitis manifests as multiple symptoms that are inconsistent with a systemic disease. The most notable feature is a very distinct redness around the anus, and other signs of inflammation which can include swelling and itching at the site. [4] Other associated symptoms with perianal cellulitis include pain when defecating and bleeding.
Chronic wound exudate contains proteolytic enzymes and other components that degrade skin integrity and predispose it to inflammation. [ 8 ] [ 9 ] Moisture-associated skin damage can also be caused by bodily fluids or other contaminants that enter the periwound areas, for example, in patients with urinary or fecal incontinence , or colostomy ...
Wheal: A wheal is a rounded or flat-topped, pale red papule or plaque that is characteristically evanescent, disappearing within 24 to 48 hours. The temporary raised skin on the site of a properly delivered intradermal (ID) injection is also called a welt, with the ID injection process itself frequently referred to as simply "raising a wheal ...