Discover why illness causes bad breath through bacterial growth, dehydration, medications and body chemistry changes. Learn ...

People can lose the ability to smell chronic bad breath — when the nose smells an odor so often that it loses the ability to smell it at all. Accessibility statement Skip to main content.

Bad breath can arise from a problem in your mouth or throat, or from metabolic processes. Depending on the cause, your breath may smell sweet, sour, rotten, musty, fishy, or like ammonia.

Bad breath can usually be improved with thorough oral hygiene. ... And while breath mints can potentially temporarily mask a bad odor, they aren’t doing much to mitigate the underlying problem.

In most cases, bad breath comes from the gums and tongue. Some bacteria in your mouth may produce compounds that result in an odor. But most bad breath is the result of poor oral hygiene ...

Halitosis: 11 Possible Reasons Your Breath Smells Bad. Eating garlic and a lax teeth-brushing routine aren't the only answers to the question, "Why does my breath smell?" By. Maria Masters.

Learn why bad breath persists after brushing in 80% of cases, including causes like dry mouth, ... GERD also causes heartburn and bitter taste sensations that accompany breath odor problems.

A person’s breath may smell like urine or ammonia due to numerous causes, including nasal congestion, stomach infection, and diet. A foul taste in the mouth may indicate bad breath. Read on to ...

If you notice a sulfur smell, gastroesophageal reflux disease (GERD) may be the cause of your bad breath, according to research in the Journal of General Internal Medicine.This type of chronic ...