Leukotriene modifiers
Leukotriene modifiers suppress the effects of leukotrienes, immune system chemicals that trigger asthma symptoms. They prevent symptoms for about 24 hours.
Examples of Leukotriene modifiers include:
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Montelukast (Singulair)
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Zafirlukast (Accolate)
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Zileuton (Zyflo)
Studies show that montelukast is linked to several psychological reactions, such as aggression, depression, suicidal thinking, agitation, and hallucination [1]. Contact your doctor immediately if you experience any unusual reaction.