Ask a trusted person if your breath smells bad
Check for a persistent bad taste in your mouth
Notice if your mouth feels dry often
Look for a coated tongue
See if floss or dental picks smell bad after use
Pay attention if others step back when you talk
Smell your breath by licking your wrist, letting it dry, then sniffing it
Exhale into a clean cup or mask and smell it after a few seconds
Check whether bad breath returns soon after brushing
Notice if you have gum bleeding, tooth pain, or mouth sores
Watch for morning breath that stays all day
See whether strong-smelling foods, smoking, or alcohol make it worse
Notice if your breath stays bad even after brushing, flossing, and using mouthwash