A sinus infection is inflammation of the sinuses, which are the air spaces around your nose, eyes, cheeks, and forehead. It is also called sinusitis. When the sinuses are inflamed, drainage is blocked ...

Other kinds of headaches that keep coming back, such as migraines or tension headaches, are often mistaken for sinus headaches. Because the treatment you need depends on the type of headache you ...

Sinus arrhythmia is a natural and periodic variation in the heart’s rhythm and represents a normally functioning heart. In a normal sinus rhythm, the time between heartbeats is equal, which can be ...

Human spaceflight subjects the body to numerous and unique challenges. Astronauts frequently report a sense of sinonasal congestion upon entering microgravity for which the exact pathomechanisms are ...

Medically reviewed by John Carew, MD Nasal vestibulitis is an infection of the nostrils. This condition gets its name because ...

Sinus infections that do not clear up on their own may need treatment with antibiotics. Common antibiotics for bacterial sinus infections include the Z-pak, also ...

CT revealed a mass of slightly high density in the saddle area and cavernous sinus area that was irregular in size, about 2.4 × 2.1 × 1.8 cm, with osteolytic and distending changes, localized bone ...

Nasal and sinus cancer are rare types of head and neck cancer that develop inside the nose or paranasal sinuses. The space inside the nose is called the nasal cavity. This space warms, moistens and ...