Doses - METHENAMINE MANDELATE, METHENAMINE HIPPURATE

Dogs:

a) Methenamine hippurate: 500 mg PO q12h; Methenamine mandelate: 10 - 20 mg/kg POq8-12h (Papich 1992)

Cats:

a) Methenamine hippurate: 250 mg PO q12h (Papich 1992)
Monitoring Parameters - 1) Urine pH; 2) Efficacy
Client Information - Give after meals if GI distress occurs; encourage compliance.
Dosage Forms/Preparations/FDA Approval Status/Withholding Times - Veterinary-Approved Products: None

Human-Approved Products:

Methenamine Mandelate Oral Tablets enteric coated 500 mg, 1 g; Mandelamine® (Parke-Davis),
Generic; (Rx)
Methenamine Mandelate Oral Suspension 50 mg/ml in 480 ml Mandelamine® (Parke-Davis),
Generic; (Rx)
Methenamine Hippurate Oral Tablets 1 g; Hiprex® (Hoechst Marion Roussel); Urex® (3M
Pharmaceuticals); (Rx)