Singulair 10mg is a prescription medication containing Montelukast, manufactured by MSD. It comes in a calendar pack of 28 film-coated tablets, with each tablet containing 10mg of the active ingredient. The pack is divided into 4 strips of 7 tablets each. This medication is manufactured by Merck Sharp & Dohme Limited (MSD) and requires a prescription. The calendar pack format helps patients track their daily doses over a 4-week period. Each film-coated tablet contains 10mg of Montelukast as the active ingredient.