Hello friend ,
There are various reasons of bad breath . It may occur due to stomach or digestions related problems . Or it may be due to lung problems .. digestion related problems which result in bad breath are eating lots of junk foods and oily foods. Not eating at correct time . Outside foods and use of non branded oil also result in bad breath.
Smoking, and asthmatic patients may also have bad breath .
Reduced water intake may also result in bad breath .
Deponts present over the tongue may also result in bad breath . Please rule out all these possibilities then it's easy to correct your problem. If taking any nutritional supplements please stop that might also cause bad breath
Next Steps
need a general medicine doctor to rule out systemic condition
Health Tips
drink copious amounts of water
avoid junk and oily foods
eat regularly at time
don't have heavy oily foods later night
take foods that are easily digestible at night time
don't change cooking oil frequently.
avoid outside foods