Allergies and Asthma: Singulair (montelukast) was first approved for the treatment of asthma, but was later found to effective and was approved for the the treatment of allergic rhinitis. Alavert, or loratidine is an antihistamine used for treating allergies.
Answered 3/17/2013
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Allergies: Singulair (montelukast) is used to treat allergies and asthma. Alavert is for allergies.
Answered 11/17/2013
5.5k views
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