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