Singulair

Another Wonder Drug Isn’t So Great Once It Goes Off Patent

Did you or your children use the blockbuster asthma drug Singulair? World sales of Merck’s drug were about $5 billion a year until 2012 when its patent expired and it was the U.S.’s seventh best-selling drug. But last month, data from an FDA committee were presented that acknowledge “safety concerns” about “neuropsychiatric adverse events, including suicide and suicide attempts” with the drug.