 [ Symptoms ] can mucinex dm and z pack be taken together  my son a college freshman likely has walking pneumonia today his second trip to the health center in a week he was prescribed a z pack for his symptoms hacking cough fatigue fever and chills his cough sounds alarming over the phone and is preventing him from getting much sleep can he take mucinex dm to suppress his cough so he can sleeprest [ Disease ] i am sorry to hear your son is going through this and i am glad he sought medical attention z pack is the common name for a particular dosing regimen of azithromycin which is an antibiotic mucinex dm is the brand name of a combination medication that includes an expectorant which thins and loosens mucus in the airways and a cough suppressant it should be safe to take both the z pack and the mucinex dm at the same time in telling you this i am assuming your son has no known drug allergies there are no known interactions between azithromycin and the ingredients in mucinex best wishes to your son for a speedy recovery