Aluminum Hydroxide, An Over-The-Counter Medication For Kidney Disease Just What is Aluminum Hydroxide?   ALUMINUM HYDROXIDE (brand names:  Alternagel,  Amphojel) is an over-the-counter oral antacid and phosphate binder,  more commonly used to treat high phosphate levels secondary to kidney dysfunction.  It can also be used to reduce stomach acid production. Its use in cats,  dogs,  […]