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It has therefore been argued that the terms "sulfonamide allergy" or "sulfa allergy" are misleading and should be replaced by a reference to a specific drug (e.g., "cotrimoxazole allergy"). [20] Two regions of the sulfonamide antibiotic chemical structure are implicated in the hypersensitivity reactions associated with the class.
Sulfonamides (such as sulfanilamide, sulfamethoxazole, and mafenide), thiazolesulfone, methylene blue, and naphthalene should also be avoided by people with G6PD deficiency as they antagonize folate synthesis, as should certain analgesics (such as phenazopyridine and acetanilide) and a few non-sulfa antibiotics (nalidixic acid, nitrofurantoin ...
Use of sulfasalazine is contraindicated in people with sulfa allergies and in those with urinary tract obstructions, intestinal obstructions, and severe liver or kidney problems. [4] Sulfasalazine metabolizes to sulfapyridine. Serum levels should be monitored every three months, and more frequently at the outset.
Cross-reactivity should not occur between medications with an aromatic amine and medications without an aromatic amine (e.g., sulfonylureas, thiazide diuretics, furosemide, and acetazolamide); therefore, these medications can be safely used in the future. [1]
Author of The Demon Under the Microscope, a history of the discovery of the sulfa drugs; A History of the Fight Against Tuberculosis in Canada (Chemotherapy) Presentation speech, Nobel Prize in Physiology and Medicine, 1939; The History of WW II Medicine "Five Medical Miracles of the Sulfa Drugs". Popular Science, June 1942, pp. 73–78.
Allergy medications may cause brain damage, increase dementia risk because of course they can, everything can. Alex Lasker. Updated July 14, 2016 at 7:50 PM.
One study has shown the allergic reaction rate to be about 3.0% over 359 courses of therapy. [11] Of the allergic reactions, skin rashes, eosinophilia and drug fever were the most common, while serious reactions were less common. Sulfamethoxazole is contraindicated in people with a known hypersensitivity to trimethoprim or sulfonamides. [9]
Many medications and conditions can cause sun sensitivity, including: Sulfa used in some drugs, among them some antibiotics, diuretics, COX-2 inhibitors, and diabetes drugs. [1] Psoralens, coal tars, photo-active dyes (eosin, acridine orange) Musk ambrette, methylcoumarin, lemon oil (may be present in fragrances) PABA (found in sunscreens)