Add Yahoo as a preferred source to see more of our stories on Google. Sinus infections (also known as sinusitis) strike more than 30 million Americans each year. And if you’re one of them, you’re ...

A sinus infection can spread to the brain, although this is rare. People require immediate medical treatment if a sinus infection reaches the brain. Sinusitis is an inflammation of the sinuses and ...

Waking up with a painful or throbbing tooth can quickly ruin your morning. While occasional tooth discomfort may not seem ...

A toothache that lingers is easy to dismiss, but sometimes, it signals something far more serious. Some dental infections may start as a slight discomfort and rapidly get worse without treatment, ...

While most sinus infections clear up on their own, it is important to monitor symptoms, as bacterial infections can sometimes spread to other areas. If a sinus infection lasts longer than 10 days, or ...

Cutaneous dental (or odontogenic) sinus tracts are uncommon occurrences in which a channel forms from a dental focus of infection to a drainage site on the skin of the face or neck. Odontogenic sinus ...

Ectopic eruption of a tooth into the maxillary sinus represents an uncommon but clinically significant anomaly. Patients may present with facial pain, nasal discharge, obstructive sinus symptoms or ...