Accolate is a prescription medicine used to prevent and treat chronic asthma in adults and children 5 years of age and older. This is a drug that belongs to the class of leukotriene receptor antagonists. It works by blocking the actions of the leukotriene that causes people with chronic asthma, which is a natural substance that causes swelling and tightening of the airways. In this article, we will provide useful information for you to better understand the uses, indications and precautions when using Accolate.