Otc equivalent of singulair. . . . In many cases, OTC Claritin® and OTC Alavert®, an equivalent product, are less expensive . . . . . . there is no generic of Singulair available yet. . I took a Singular pill at bedtime. Learn about the prescription medication Singulair (Montelukast Sodium), drug uses . . . 4 mg montelukast sodium, which is equivalent . . . = OTC Product. class should be carefully monitored to ensure proper use of Singulair . . I have been on a prescription medicine called S... more