Cases are very, very rare, but are almost always deadly.

Caption:You reach for the decongestant nasal spray to clear your head. But what if you can’t stop using it?Photo credit:123rf Nasal spray - sold in New Zealand under brand names like Otrivin, Dimetapp ...

Nasal and sinus congestion are often caused by infections and allergies. You can relieve congestion at home by using a humidifier and staying hydrated. Over-the-counter nasal sprays and decongestants ...

Mouth breathing can cause dental problems, increase the risk of illness, and lead to sleep issues. You can train yourself to breathe through your nose by placing reminders in your home, using ...