Sinus infections: 90 to 98% are caused by viruses, guidelines say

A new set of guidelines from the Infectious Diseases Society of America say that anywhere from 90 to 98 percent of sinus infections aren’t caused by bacteria, meaning antibiotics won’t work.
“There is no simple test that will easily and quickly determine whether a sinus infection is viral or bacterial, so many physicians prescribe antibiotics ‘just in case,’” explained guidelines panel chair Dr. Anthony W. Chow, MD, a professor emeritus of infectious diseases at UBC.
A version of this story also appeared in the Vancouver Sun.

Huffington Post, Wed Mar 21 2012, By: Amanda L. Chan, Link to full text