No black box warning on record for Uretron D/s
As of the latest FDA labeling reviewed, Uretron D/s (METHENAMINE, SODIUM PHOSPHATE MONOBASIC, PHENYL SALICYLATE, METHYLENE BLUE, AND HYOSCYAMINE SULFATE) does not carry a black box warning. Standard warnings and precautions still apply — see the full Uretron D/s medicine page for the complete safety profile.