Doctors Not Concerned by US FDA Probing Safety of Merck's Singulair

The Food and Drug Administration (FDA) announced an investigation Wednesday examining a link between suicide and Merck's popular allergy and asthma drug, Singulair. Concerns over "behavioral issues" with Singulair developed over the past year. Merck periodically updated the drug's labels to include warnings for tremors, depression and anxiety. FDA spokesperson Susan Cruzan said reports of suicides by "three or four" people who were taking Singulair prompted Merck to clarify suicide warnings on...Full Story