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Singulair

Singulair is taken to prevent and treat asthma. Singulair is used to treat asthma and the symptoms of allergic rhinitis (sneezing, stuffy nose, runny nose, itching of the nose) and to prevent exercise-induced asthma. Do not take Singulair to relieve an asthma attack. It is not a replacement for the quick help that short acting inhalers provide during an asthma attack. It is very important that you continue taking your other asthma medicines unless your health care provider tells you to stop.
The following are side effects of Singulair.

  • fever
  • feeling tired
  • stomach pain
  • upset stomach
  • intestinal upset
  • heartburn
  • dizziness
  • headaches
  • swelling of face, lips, tongue, throat
  • difficulty breathing or swallowing
  • hives
  • itching

    • Singulair Suicidal Thoughts

    FDA is investigating a possible association between the use of Singulair and behavior/mood changes, suicidality (suicidal thinking and behavior) and suicide.

    Singulair History

    Over the past year, the maker of Singulair, Merck & Co, Inc., has updated the prescribing information and patient information for Singulair to include the following post-marketing adverse events: tremor (March 2007), depression (April 2007), suicidality (suicidal thinking and behavior) (October 2007), and anxiousness (February 2008).

    Singulair Ongoing Safety Review

    FDA is working with Merck to further evaluate a possible link between the use of Singulair and behavior/mood changes, suicidality and suicide in response to inquiries received by FDA. FDA has requested that Merck evaluate Singulair study data for more information about suicidality and suicide. FDA is reviewing the postmarketing reports it has received of behavior/mood changes, suicidality and suicide in patients who took Singulair.