Respiratory: Leukotriene receptor antagonists Flashcards
1
Q
What are the two LTRA?
A
Montelukast and zafirlukast.
2
Q
How do LTRA work?
A
They block the effects of cysteinyl leukotrienes in the airways. They are effective in asthma or when used alone or with an inhaled corticosteroid.
3
Q
The LTRA may of benefit in exercise-induced asthma and in those with concomitant rhinitis, but they are less effective in what?
A
those with severe asthma who are also receiving high doses of other drugs.
