The main island of Puerto Rico is the smallest and most eastern of the Greater Antilles. With an area of 3,515 square miles (9,104 km 2), it is the third largest island in the United States and the 82nd largest island in the world.
Answers. Best Answer: SINGULAIR is a prescription medicine approved to help control symptoms of asthma in adults and children 12 months and older and for relief of symptoms of indoor and outdoor allergies. But it is NOT an antihistamine, but rather an antileukotriene medication. Leukotrienes are chemicals released from a variety of allergic and immune cells, and may cause allergy symptoms, primarily nasal congestion.
This may help to improve symptoms of asthma and allergic rhinitis. SINGULAIR does not contain a steroid. SINGULAIR is used to: 1  Prevent asthma attacks and for the long-term treatment of asthma in adults and children ages 12 months and older. 2  Do not take SINGULAIR if you need relief right away for a sudden asthma attack.ay 4, 2011 -- The drugs Singulair and Accolate proved to be just as effective as steroid inhalers for the prevention of asthma symptoms with better patient compliance in two new studies published in this week's New England Journal of Medicine...