Halitosis is common and can affect people of all ages. Severe halitosis is less common but it can affect confidence and quality of life. It can even result in social isolation. So it is important that we get the diagnosis and management of this condition right.

In this BMJ Best Practice podcast on halitosis, Kieran Walsh talks with Professor Stephen Porter, Director of the UCL Eastman Dental Institute in London.

Competing interests: none declared