Human breath is composed of highly complex substances with varying odors which results in unpleasant situations like halitosis. Bad breath or Halitosis is a condition where the breath is altered in an unpleasant manner for the affected individuals and produces variable odors that can generate unpleasant situations.
Bad breath is not a disease in itself but an irritating symptom which can bring botheration in social and personal rapport. Most of the time it is a temporary symptom that settles on its own depending upon the cause, but sometimes this small symptom can be intricate enough to deal with. This leads to loss of confidence and self-esteem.
Also different medical conditions, impart different odor on the patient's breath.
Drink sufficient water to prevent excessive dryness of the mouth.