CARSON, Calif.--(BUSINESS WIRE)--Leiner Health Products, LLC announced today that its development partner Dr. Reddy’s Laboratories, Inc. (NYSE: RDY) has received FDA approval of its Abbreviated New Drug Application (ANDA) for the over-the-counter (OTC) version of Famotidine 20 mg. Marketing exclusivity for the brand (Maximum Strength Pepcid®* AC) ended on September 23, 2006, opening the door for 95 million acid indigestion and heartburn sufferers to get relief at store brand prices.