The biggest cause of bad breath is a bacteria building up on the back of your tongue and on the under layers. This can be treated with a bunch of tools like oral tongue cleaners and good oral cleaning regime. Bacteria in your throat and mouth help to break down certain proteins. When some Amino acids which got a lot of Sulfur inside, start to get broken down, they produce foul smelling compounds from the back of the mouth and throat.
Rotting teeth is obvious a cause of halitosis. If this is the cause, then dental treatment is a must, as it can get rid of bad breath overnight. Getting rid or or treating a rotting tooth can get rid of the problem instantly, as once the rotting part of the tooth get’s identified, the source of the problem will have been removed.
Spicy food is a big culprit and a lot of people are shocked because they thought that bad breath caused by such food only occures the day after consuming the foods in question. Spicy food can actually give you bad breath for two to three days after a meal and this is why people think the cause is from something else.
Smoking is an obvious cause of bad breath and there is no breath treatment on the market that is able to combat this area of halitosis. Nicotine is able to come out from every part of your body, inside and out, so the smart way of geting rid of bad breath if you smoke, is to kick the habit.