Some Antibacterial Properties of Mandelamine (Methenamine Mandelate)

Abstract
Bacteriostatic and bactericidal activities of mandelamine, streptomycin and sulfathiazole against microorganisms freshly isolated from urinary tract infections were studied. Sterile urine was used as a culture medium. It was found that the activities of the 3 drugs are not widely different. Organisms developed resistance to sulfathiazole and streptomycin rapidly and to a remarkable degree. In contrast with these results, resistance to mandelamine did not appear at all. Organisms rendered resistant to sulfathiazole or streptomycin retained full susceptibility to mandelamine.
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