Search results
Results from the WOW.Com Content Network
Autoimmune progesterone dermatitis (APD) occurs during the luteal phase of a woman's menstrual cycle and is an uncommon cyclic premenstrual reaction to progesterone.It can present itself in several ways, including eczema, erythema multiforme, urticaria, angioedema, and progesterone-induced anaphylaxis. [2]
Petechia of the lower leg in a person with platelets of 3 due to ITP (immune thrombocytopenia).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.
Severe allergies. Prednisone treats these conditions because it stops the immune system from causing inflammation (or swelling). Although inflammation can be a necessary immune system function ...
In general, use a potent preparation short term and weaker preparation for maintenance between flare-ups. While there is no proven best benefit-to-risk ratio, [11] if prolonged use of a topical steroid on a skin surface is required, a pulse therapy should be undertaken.
A patch test (contact delayed hypersensitivity allergy test) [17] is a commonly used examination to determine the exact cause of an allergic contact dermatitis. According to the American Academy of Allergy, Asthma, and Immunology, "patch testing is the gold standard for contact allergen identification". [2]
Purpura (/ ˈ p ɜːr p jʊər ə / [1]) is a condition of red or purple discolored spots on the skin that do not blanch on applying pressure. The spots are caused by bleeding underneath the skin secondary to platelet disorders, vascular disorders, coagulation disorders, or other causes. [2]
He recognised the role of allergy in the pathogenesis of Henoch-Schonlein purpura, hence the understanding of the allergic component in HSP. [34] William Osler is also the first to recognise the underlying allergic mechanism of HSP. [35] In 2012, the International Chapel Hill Consensus Conference Nomenclature of Vasculitides renamed HSP IgA ...
Individual purpura measure 3–10 mm (0.3–1 cm, 3 ⁄ 32-3 ⁄ 8 in), whereas petechiae measure less than 3 mm. [2] A non-blanching rash can be a symptom of bacterial meningitis , [ 3 ] but this is not the exclusive cause.