DEAR DR. ROACH: Three months ago, I caught a respiratory virus on a trip to South America. According to my ENT doctor, my ear canals are clear, and my sinus infection (if I, indeed, had one) is all ...

A stuffy nose can be caused by an infection, weather changes, and how you sleep. A humidifier, nasal decongestants, and sleeping upright can help.

You may experience a blocked nose and congestion due to a viral illness like the flu, common during the winter. But if it lasts longer, doctors say it may indicate an underlying health condition, such ...