What Class Drug Is Singulair

Singulair (montelukast) is a leukotriene receptor antagonist (a drug class that blocks substances in the body called leukotrienes). Leukotrienes are chemical messengers in the immune system that can cause inflammation and swelling. By blocking leukotrienes, Singulair (montelukast) helps your asthma and/or allergies.

Is Singulair an antihistamine?

Singulair (montelukast) and Claritin (loratadine) are used to treat allergy symptoms. Singulair is also used to treat asthma and to prevent exercise-induced narrowing of the airways. Singulair and Claritin belong to different drug classes. Singulair is a leukotriene receptor antagonist and Claritin is an antihistamine.

Why is Singulair bad for you?

May cause psychiatric-type effects including agitation, aggressive behavior, anxiety, depression, abnormal dreams, and hallucinations. These have been reported in people of all ages taking Singulair. May cause dizziness or drowsiness and affect a person’s ability to drive and operate machinery.