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It can be caused by variety of things including diet, medication, poor oral hygiene
, and diseases or conditions such as diabetes, GERD, lactose intolerance
, gum disease
, and more. Maintaining proper oral health can help reduce or eliminate bad breath.
brush at least twice a day with fluoride toothpaste,
brush the teeth after meals,
brush the tongue,
replace your toothbrush every two to three months,
use dental floss regularly,
see your dentist
at least twice a year.
Hope this helps you.
Wishing you good health...