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AGEP is characterized by sudden skin eruptions that appear on average five days after a medication is started. These eruptions are pustules, i.e. small red white or red elevations of the skin that contain cloudy or purulent material . [1] The skin lesions usually resolve within 1–3 days of stopping the offending medication. [2]
Sweet syndrome (SS), or acute febrile neutrophilic dermatosis, [1] [2] is a skin disease characterized by the sudden onset of fever, an elevated white blood cell count, and tender, red, well-demarcated papules and plaques that show dense infiltrates by neutrophil granulocytes on histologic examination.
The red-purple color of the lesions is due to the inflammation in the blood vessels causing red blood cells to escape into the dermis skin layer. [6] Small fluid-filled blisters (or "vesicles"), pus-filled bumps resembling a pimple (or "pustules"), or shallow ulcers may also develop but are less common. [6] [5]
Rosacea. What it looks like: Rosacea causes redness and thick skin on the face, usually clustered in the center.Easy flushing, a stinging sensation, and small, pus-filled pimples are other common ...
Pus is an exudate, typically white-yellow, yellow, or yellow-brown, formed at the site of inflammation during infections, regardless of cause. [ 1 ] [ 2 ] An accumulation of pus in an enclosed tissue space is known as an abscess , whereas a visible collection of pus within or beneath the epidermis is known as a pustule , pimple or spot.
Pustular psoriasis presents as small, noninfectious, pus-filled blisters. [11] Inverse psoriasis forms red patches in skin folds. [5] Erythrodermic psoriasis occurs when the rash becomes very widespread and can develop from any of the other types. [4] Fingernails and toenails are affected in most people with psoriasis at some point in time. [4]
Pustule: A pustule is a small elevation of the skin usually consisting of necrotic inflammatory cells. [30] Cyst: A cyst is an epithelial-lined cavity. [10] Wheal: A wheal is a rounded or flat-topped, pale red papule or plaque that is characteristically evanescent, disappearing within 24 to 48 hours.
Generalized pustular psoriasis (GPP) is a rare type of psoriasis that can present in a variety of forms. [1] Unlike the most general and common forms of psoriasis, GPP usually covers the entire body and with pus-filled blisters rather than plaques. GPP can present at any age, but is rarer in young children.