Aches and pains. Pain (think: body aches and a sore throat) is also a tip off that you’re dealing with a virus like a cold.

"Sinus passages can become inflamed from an infection or allergies leading to the trapping ... This can cause nasal congestion and runny nose, Dr. Bellak says. When mucus is thin, your sinuses ...

Post-nasal drip occurs when excess mucus accumulates in the back of the throat or nose, primarily due to allergies, ...

If your cold symptoms won't quit, you may have something else. Doctors explain what it could mean if you've got a lingering ...