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The origin of the name tretinoin is uncertain, [42] [43] although several sources agree (one with probability, [42] < one with asserted certainty [44]) that it probably comes from trans-+ retinoic [acid] + -in, which is plausible given that tretinoin is the all-trans isomer of retinoic acid. The name isotretinoin is the same root tretinoin plus ...
Red ear syndrome (RES) is a rare disorder of unknown etiology which was originally described in 1994. The defining symptom of red ear syndrome is redness of one or both external ears, accompanied by a burning sensation. [1] A variety of treatments have been tried with limited success. [1]
Tretinoin Tretinoin (retinoic acid)causes dispersion of pigment granules in keratinocytes,interferes with pigment transfer,and acceler-ates epidermal transfer,thus causing pigment to be lost more rapidly.Tretinoin also accelerates epidermal turnover,shorten-ing the "transit time"from the basal layer and accelerating pig-ment loss.Retinoic acid ...
The main reason why an increasing number of dogs suffer from allergies has to do with the warming planet. “Allergy season has been extended because of climate change and the dramatic change in ...
Individuals with OAS may have any of a number of allergic reactions that usually occur very rapidly, within minutes of eating a trigger food. The most common reaction is an itching or burning sensation in the lips, mouth, ear canal, or pharynx. Sometimes other reactions can be triggered in the eyes, nose, and skin.
Flushing is to become markedly red in the face and often other areas of the skin, from various physiological conditions. Flushing is generally distinguished from blushing, since blushing is psychosomatic, milder, generally restricted to the face, cheeks or ears, and generally assumed to reflect emotional stress, such as embarrassment, anger, or romantic stimulation.
Perioral dermatitis, also known as periorificial dermatitis, is a common type of inflammatory skin rash. [2] Symptoms include multiple small (1–2 mm) bumps and blisters sometimes with background redness and scale, localized to the skin around the mouth and nostrils. Less commonly, the eyes and genitalia may be involved. [3]
Topical steroid withdrawal, also known as red burning skin and steroid dermatitis, has been reported in people who apply topical steroids for 2 weeks or longer and then discontinue use. [ 4 ] [ 5 ] [ 2 ] [ 1 ] Symptoms affect the skin and include redness, a burning sensation, and itchiness, [ 2 ] which may then be followed by peeling.