Hyoscyamine/hexamethylenetetramine/phenyl salicylate/methylene blue/benzoic acid is a combination drug used to treat pain caused by urinary tract infections and spasms of the urinary tract. It is currently sold under multiple brand names in the US, eg. Hyophen, Methylphen, Urophen, Urised. It was formerly sold as Prosed/DS, but this particular brand name was discontinued.

It contains: Hyoscyamine Hexamethylenetetramine Phenyl salicylate Methylene blue Benzoic acid

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