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Postinflammatory hyperpigmentation develops after the original symptoms of an inflammatory skin condition disappear. Common triggers include acne lesions, cuts, burns, or skin conditions like eczema. [1] Additionally, UV sun exposure and sunburn are involved in the development, darkening, and expansion of hyperpigmented skin lesions. [2]
Post-acute infection syndromes (PAISs) or post-infectious syndromes are medical conditions characterized by symptoms attributed to a prior infection. While it is commonly assumed that people either recover or die from infections, long-term symptoms—or sequelae —are a possible outcome as well. [ 1 ]
Some reactions, such as pain, may appear immediately. Others may be delayed, such as erythema which may appear 24–96 hours after injection. [2] ISRs commonly seen with subcutaneous injections include: Bleeding and bruising [3] Erythema (redness) Pain; Pruritis (itching) [4] Swelling [5] Induration (hardening of the skin) [6] Discoloration [6]
EDP does not usually have symptoms beside the macules and patches of discolored skin; however, some itching in these areas may occur. Because EDP is an uncommon disease of the skin, it is important to consider other skin diseases that may resemble erythema dyschromicum perstans, such as infectious diseases (i.e. leprosy or pinta ), reaction to ...
The last revision of 2015 suggested variable diagnostic criteria in low-risk and high-risk populations to avoid overdiagnosis in the first category and underdiagnosis in the last one. [34] Low-risk populations were defined as those with acute rheumatic fever annual incidence ≤2 per 100 000 school-aged children or all-age rheumatic heart ...
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 .
Postinflammatory hypopigmentation is a common consequence of cutaneous inflammatory disorders. Certain conditions, like lichen striatus (LS) and pityriasis lichenoides chronica (PLC), typically cause postinflammatory hypopigmentation as opposed to hyperpigmentation.
Id reactions (also known as disseminated eczema [1] and generalized eczema [1]) are types of acute dermatitis developing after days or weeks at skin locations distant from the initial inflammatory or infectious site. They can be localised or generalised.