A year and a half old baby has bad breath.

One and a half years old baby has halitosis is more considered to be caused by cold, eating too much caused by indigestion, may also be caused by oral ulcers, oral mucosa disease. You need to take your child to the hospital pediatric examination, for the cause of treatment. Usually appropriate control of the child's food intake, so that children develop the habit of brushing their teeth in the morning and evening.