Not indicated for use in the reversal of bronchospasm in acute asthma attacks, including status asthmaticus. Montelukast therapy can be continued during acute asthma exacerbations. Should not be abruptly substituted for inhaled or oral corticosteroids. Not to be used as monotherapy for the therapy & management of EIB. Patients w/ known aspirin sensitivity should continue avoidance of aspirin or NSAIDs during treatment. Be alert to eosinophilia, vasculitic rash, worsening pulmonary symptoms, cardiac complications, &/or neuropathy.