Prashant Mishra
Lick the back of your hand, wait a few seconds, and then smell it. If it smells bad, your breath might too.
Scrape your tongue with a spoon and smell the residue. A foul odor indicates bad breath.
Floss and Smell
Floss between your teeth and smell the floss. If it smells bad, your breath may also be unpleasant.
Scrape the back of your tongue and smell the residue. Bad breath often originates from the tongue.
Ask a trusted friend or family member if your breath smells. They can provide an honest opinion.
Look at your tongue in the mirror. A white or yellow coating can indicate bad breath.
Purchase a breath meter, a device that measures the volatile sulfur compounds causing bad breath.