Acute frontal sinusitis usually occurs in association with ethmoidal or maxillary sinusitis. The front nasal duct is tortuous and easily obstructed by mucosal oedema.
Predisposing factors are any abnormality that interferes with drainage of the frontal sinus, for example:
Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page