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Singulair
Anti-asthma • Leukotriene receptor antagonist
Selectively blocks CysLT1 receptors, inhibiting leukotriene-mediated bronchoconstriction
Drug Class
Anti-asthma
Subclass
Leukotriene receptor antagonist
Half-life
2.7-5.5 hours
Time for plasma concentration to decrease by 50%
Protein Binding
>99%
Fraction bound to plasma proteins
Therapeutic Index
Wide
Margin between therapeutic and toxic doses