Defined as presence of laryngitis for more than three weeks (1).
The incidence of chronic laryngitis is not well established but has been estimated as 3.47 diagnoses per 1000 people per year. (2)
References:
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.