Co-amilofruse (BAN) is a nonproprietary name used to denote a combination of amiloride and furosemide, which are both diuretics.[1] Co-amilofruse is a treatment for fluid retention (oedema), either in the legs (peripheral edema) or on the lungs (pulmonary oedema). Furosemide is a loop diuretic and is more effective than amiloride, but has a tendency to cause low potassium levels (hypokalaemia); the potassium-sparing effects of amiloride may balance this.
Two strengths of co-amilofruse are available: