Could Singulair lead to seppuku?

Reuters

U.S. health regulators are probing a possible connection between Merck & Co Inc's blockbuster Singulair asthma drug and suicidal behavior in adults and children, the Food and Drug Administration said on Thursday. The FDA said it is reviewing the issue after receiving reports of mood and behavior changes, suicidal thinking and suicide in patients who took the drug, which is used to treat stuffy nose, sneezing and other allergy symptoms, as well as asthma.