Medically reviewed by Alicen Nelson MD, MPH Allergic rhinitis (allergies or hay fever) and sinusitis (sinus infections) can cause similar symptoms, making them difficult to tell apart. However, they ...

Learn the essential facts about fungal sinus infections, from recognizing early warning signs to understanding treatment ...

There is a great deal of evidence supporting an association between rhinosinusitis and asthma. Allergic rhinitis and asthma may have common triggers. The concept of 'one airway disease' has ...