It is not known if montelukast passes into breast milk. you have or have had any medical conditions. your child has a condition called phenylketonuria. The 5 mg and 4 mg chewable tablets contain ...

Montelukast (as sodium) 4mg, 5mg; tabs; cherry flavor; contains phenylalanine. Take granules by mouth within 15mins of opening packet; may dissolve in 5mL of cold or room temperature baby formula ...