They're less effective on day three or later. The best medicine for a cough depends on your symptoms and the type of cough you have. For a dry or wet cough, choose an antitussive (cough suppressant).

A 2010 study tested the effects of honey along with cough medicine (dextromethorphan) and antihistamine (diphenhydramine) on nightly coughing due to upper respiratory infection in 139 children. It ...

In that case, a doctor may suggest trying over-the-counter antihistamines, decongestants or other medications to treat the cough. 5. There are ways to treat a lingering cough at home. There are a ...