Having taken strong flavoured food.
Oral Diseases or Oral Problems.
Oral Diseases such as:
If tooth decay has extended into the pulp, the necrotic pulp will emit foul odour.
The accumulation of dental plaque and calculus irritates the gum, which leads to gum disease and causes bad breath.
Oral Problem:
Reducted saliva secretion (Dry mouth).
If saliva secretion is insufficient, the oral cleaning effect of saliva will be reduced.
Diabetes
Avoid eating strong flavoured food.
If you have just had strong flavoured food, you can try:
Pay attention to your regular oral hygiene practices to prevent oral problems.
Visit a dentist for regular dental check-up.
Quit smoking.
Visit a doctor for body check-up.