Does singulair have sudafed in it?

No, Singulair (montelukast) does not contain Sudafed (pseudoephedrine). Singulair is a medication used to manage Asthma and allergic rhinitis by blocking leukotrienes, while Sudafed is a decongestant that relieves nasal congestion. They are different medications with distinct mechanisms of action and uses. Always consult a healthcare professional for personalized medication advice.