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The majority of people say they developed a rash after taking penicillin as a child. Those patients are given an oral tablet of amoxicillin, and then watched for up to 90 minutes for a reaction ...
Allergic rashes, like a drug rash, occur when you ingest an allergen, including certain foods, such as peanut allergies, or medications. And viral infections, like coronavirus, can also result in ...
This type of rash can be as a result of large doses of niacin or no-flush niacin (2000 – 2500 mg), [citation needed] used for the management of low HDL cholesterol. [4] This type of rash can also be a symptom of Sea bather's eruption. This stinging, pruritic, maculopapular rash affects swimmers in some Atlantic locales (e.g., Florida ...
Anaphylactoid reaction, non-immune anaphylaxis, or pseudoanaphylaxis, is a type of anaphylaxis that does not involve an allergic reaction but is due to direct mast cell degranulation. [ 10 ] [ 42 ] Non-immune anaphylaxis is the current term, as of 2018, used by the World Allergy Organization [ 42 ] with some recommending that the old ...
The term morbilliform refers to a rash that looks like measles. [ 1 ] [ 2 ] The rash consists of macular lesions that are red and usually 2–10 mm in diameter but may be confluent in places. [ 3 ] A morbilliform rash is a rose-red flat ( macular ) or slightly elevated ( maculopapular ) eruption, showing circular or elliptical lesions varying ...
Children with acute otitis media who are younger than six months of age are generally treated with amoxicillin or other antibiotics. Although most children with acute otitis media who are older than two years old do not benefit from treatment with amoxicillin or other antibiotics, such treatment may be helpful in children younger than two years old with acute otitis media that is bilateral or ...
Those peptides expressing a drug-related, non-self epitope on their HLA-A, HLA-B, HLA-C, HLA-DM, HLA-DO, HLA-DP, HLA-DQ, or HLA-DR proteins may bind to a T-cell receptor to stimulate the receptor-bearing parent T cell to attack self tissues. Alternatively, a drug or metabolite may also stimulate T cells by inserting into the groove on a HLA ...
The underlying mechanism can be immunological (such as in drug allergies) or non-immunological (for example, in photodermatitis or as a side effect of anticoagulants). A fixed drug eruption is the term for a drug eruption that occurs in the same skin area every time the person is exposed to the drug.