Merck Canada manufactures drugs in the treatment of a•allergic rhinitis •allergies •asthma e•exercise-induced bronchospasm h•hay fever n•nasal polyps •non-small cell lung cancer p•perennial rhinitis •pneumonia r•respiratory tract infections •rhinitis s•seasonal allergies •seasonal rhinitis •sleep apnea y•year-round allergies

Drugs manufactured by Merck Canada include

•Asmanex® Twisthaler® inhaler •Capvaxive® vaccine •Keytruda® injection •Nasonex® nasal spray •Singulair® chewable tablets •Singulair® oral granules •Singulair® oral tablets •Vaxneuvance® vaccine