a) Use a tongue scraper to reduce malodorous coating on the tongue and floss or use a water pik to remove particles of food between the teeth. 

b) Get a dental checkup to rule out active gum disease or other mouth disease or poorly fitted dental crowns and bridges that can trap food particles. 

c) Get a medical checkup to rule out causes outside the mouth such as acid reflux from the stomach and sinus infections and side effects of medications.

d) Floss or use a water pick to keep the space between the teeth free from plaque and food particles 

e) Use an antimicrobial mouthwash containing zinc, tricloson, cetylpyridinum, or chlorhexidine. 

f) Use a herbal lozenge with antimicrobial properties.

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