An upper respiratory infection is an illness that can cause nasal congestion, runny nose, sore throat, and cough. It can also cause a fever for the first few days. Upper respiratory infections are ...

A headache when lying down can result from various causes, including changes in cerebrospinal fluid pressure, nasal congestion, and brain tumors. Identifying the underlying cause is important, as it ...

When allergies, a cold, the flu or a sinus infection cause nasal congestion, all we want is reliable relief. And for good reason: A study in Current Medical Research and Opinion found that nasal ...

Turbinate hypertrophy refers to an enlargement of structures in the nose, which can make breathing difficult. They often occur due to allergies or infections. Treatment may involve medications and ...