They cause stress, anger, and fear. What’s worse, they can drive a wedge between you and your furry friend. Fortunately, canine urinary incontinence due to sphincter hypotonus doesn’t have to take away the fun of having a pet. PROIN® (phenylpropanolamine hydrochloride) is an FDA-approved chewable tablet that safely and effectively controls urinary leaking. And with the frustration gone, you can get back to treasuring everything about your beloved pet.