PHILADELPHIA--(BUSINESS WIRE)--Lannett Company, Inc. (NYSE AMEX: LCI) today announced that it has received approval from the U.S. Food and Drug Administration (FDA) for its Abbreviated New Drug Application (ANDA) of Diethylproprion HCl Tablets, 25 mg. Diethylproprion HCl Tablets, 25 mg, is therapeutically equivalent to the reference listed drug, Tenuate® Tablets, 25 mg, of Watson Pharmaceuticals. Retail pharmacy sales of Diethylproprion HCl Tablets, 25 mg, at Average Wholesale Price (AWP) were approximately $3.3 million for the year ending May, 2011, according to Wolters Kluwer. Additional sales of this drug are made through bariatric clinics. The company expects to commence shipping the product shortly.