What can i do to prevent foul smell emanating from my mouth?

Halitosis: You need to determine the cause of your malodorous breath. May be from your tetth or gums, may be from acid reflux, could even be your diet. See a local dentist to have yourself examined and treated if necessary, then see a gastroenterologist regarding and reflux issues.

Halitosis: This can come from dental or medical causes. See the following website for more information: http://smilesapartcosmeticdentist.Com/fresh-breath-control.Htm to see what's causing your issue, start with a dentist who may need to refer you to a physician if he\she feels it's appropriate.