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|AHFS/Drugs.com||Micromedex Detailed Consumer Information|
|Chemical and physical data|
|Molar mass||249.29 g/mol|
|3D model (JSmol)|
|(what is this?)|
Sulfapyridine is no longer prescribed for treatment of infections in humans. However, it may be used to treat linear IgA disease. It is a good antibacterial drug, but its water solubility is very pH dependent. Thus there is a risk of crystallization within the bladder or urethra, which could lead to pain or blockage. As with other sulfonamides, there is a significant risk of agranulocytosis, and this, rather than the development of resistance by bacteria, is the main reason for its decline in use.
M&B 693 was one of the first generation of sulphonamide antibiotics. It has been reported as the first chemical cure for pneumonia. It could either be taken in tablet form or the powder could be placed in wounds. It was used so widely during the Second World War that May & Baker had difficulty keeping up with demand. It was later largely superseded by penicillin and other sulfonamides.
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