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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.
Despite the alternative name for this condition, "denture sore mouth", it is usually painless and asymptomatic. [2] The appearance of the involved mucosa is erythematous (red) and edematous (swollen), [4] sometimes with petechial hemorrhage (pin-points of bleeding). [1] This usually occurs beneath an upper denture.
In about 50% of cases, small reddish-purple spots called petechiae can be seen on the roof of the mouth. [26] Palatal enanthem can also occur, but is relatively uncommon. [16] A small minority of people spontaneously present a rash, usually on the arms or trunk, which can be macular (morbilliform) or papular. [16]
What it looks like: Like seborrheic dermatitis, perioral dermatitis causes red, inflamed skin and small pustules around the nose and mouth. Other symptoms to note : Flare-ups can be itchy and ...
Atrophic glossitis is a non-specific finding, [16] and has a great many causes, usually related to iron-deficiency anemia, pernicious anemia, B vitamin complex deficiencies, [16] unrecognized and untreated celiac disease (which often presents without gastrointestinal symptoms), [17] [18] [19] or other factors such as xerostomia (dry mouth).
Mouth infections, also known as oral infections, are a group of infections that occur around the oral cavity. They include dental infection, dental abscess, and Ludwig's angina. Mouth infections typically originate from dental caries at the root of molars and premolars that spread to adjacent structures. In otherwise healthy patients, removing ...
Palatal petechiae. Petechiae on the soft palate are mainly associated with streptococcal pharyngitis, [6] and as such it is an uncommon but highly specific finding. [7] 10 to 30 percent of palatal petechiae cases are estimated to be caused by suction, which can be habitual or secondary to fellatio. [8]
Petechiae are seen on the chest, axilla, shoulder, and mouth. [5] Occulsion of dermal capillaries by the fat emboli result in petechial rash. Petechiae rash occurs in 50 to 60% of the cases. [7] Neurologic signs such as confusion, stupor, and coma may be present. These are usually temporary and do not happen on one side of the body.