Throw in the common cold, and you’ve got a symphony of similar symptoms ... View this interactive chart on Fortune.com Most ...

A runny or stuffy nose can be a symptom of the flu, a cold or allergies, and it can be hard to discern ... especially if there is a defined start date of symptoms, but if your runny nose or congestion ...

When you have a cold ... might be the flu, call your doctor right away so you can start treatment to help prevent serious complications. For adults, call your doctor if your symptoms are really ...