** Shares of drugmaker Cumberland Pharmaceuticals CPIX.O rise ~108% to $2.57 premarket

** CPIX said on Monday the U.S. FDA approved co's supplemental new drug application to treat paracetamol overdose

** Paracetamol, chemically known as acetaminophen, is the leading cause of acute liver failure in the U.S. - CPIX

** The drug, branded as Acetadote, simplifies dosing and reduces risk of medication errors while staying effective - co

** As of last close, stock had fallen 30.7% YTD

(Reporting by Kamal Choudhury in Bengaluru)

((Kamal.Choudhury@thomsonreuters.com;))