True about montelukast is:
It inhibit lipooxygenase pathway
It decreases the frequency of asthma attacks as com pared to glucocoicoids
It blocks LT receptor
It is effective in acute bronchial asthma
2 LT1 receptor antagonists is montelukast and zafir lukast, they competitively antagonize LT1 receptor zileuton- inhibits the synthesis of Leukotrienes ESSENTIALS OF MEDICAL PHARMACOLOGY SEVENTH EDITION KD TRIPATHI PG NO .228
Respiratory system