Bad Breath | MouthHealthy - Oral Health Information from the ADA (2024)

Bad breath happens. If you’ve ever gotten that not-so-fresh feeling on a date, at a job interview or just talking with friends, you’re not alone. Studies show that 50 percent of adults have had bad breath, or halitosis, at some point in their lives.

What Causes Bad Breath?

There are a number of reasons you might have dragon breath. While many causes are harmless, bad breath can sometimes be a sign of something more serious.

Bacteria

Bad breath can happen anytime thanks to the hundreds of types of bad breath-causing bacteria that naturally lives in your mouth. Your mouth also acts like a natural hothouse that allows these bacteria to grow. When you eat, bacteria feed on the food left in your mouth and leaves a foul-smelling waste product behind.

Dry Mouth

Feeling parched? Your mouth might not be making enough saliva. Saliva is important because it works around the clock to wash out your mouth. If you don’t have enough, your mouth isn’t being cleaned as much as it should be. Dry mouthcan be caused by certain medications, salivary gland problems or by simply breathing through your mouth.

Gum Disease

Bad breath that just won’t go away or a constant bad taste in your mouth can be a warning sign of advanced gum disease, which is caused by a sticky, cavity-causing bacteria called plaque.

Food

Garlic, onions, coffee… The list of breath-offending foods is long, and what you eat affects the air you exhale.

Smoking and Tobacco

Smoking stains your teeth, gives you bad breath and puts you at risk for a host of health problems. Tobacco reduces your ability to taste foods and irritates gum tissues. Tobacco users are more likely to suffer from gum disease. Since smoking also affects your sense of smell, smokers may not be aware of how their breath smells.

Medical Conditions

Mouth infections can cause bad breath. However, if your dentist has ruled out other causes and you brush and floss every day, your bad breath could be the result of another problem, such as a sinus condition, gastric reflux, diabetes, liver or kidney disease. In this case, see your healthcare provider.

How Can I Keep Bad Breath Away?

Brush and Floss<.p>

Brush twice a day and clean between your teethdaily with floss to get rid of all that bacteria that’s causing your bad breath.

Mouthwash

Over-the-counter mouthwashescan help kill bacteria or neutralize and temporarily mask bad breath. It’s only a temporary solution, however. The longer you wait to brush and floss away food in your mouth, the more likely your breath will offend.

Clean Your Dentures

If you wear removable dentures, take them out at night, and clean them thoroughly before using them again the next morning.

Keep That Saliva Flowing

To get more salivamoving in your mouth, try eating healthy foods that require a lot of chewing, like carrots or apples. You can also try chewing sugar-free gum or sucking on sugar-free candies. Your dentist may also recommend artificial saliva.

Quit Smoking

Giving up this dangerous habit is good for your body in many ways. Not only will you have better breath, you’ll have a better quality of life.

Visit Your Dentist Regularly

If you’re concerned about what’s causing your bad breath, make an appointment to see your dentist. Regular checkups allow your dentist to detect any problems such as gum disease or dry mouth and stop them before they become more serious. If your dentist determines your mouth is healthy, you may be referred to your primary care doctor.

Need a dentist? Find an ADA member near you.

Bad Breath | MouthHealthy - Oral Health Information from the ADA (2024)

FAQs

Are there medical conditions that cause bad breath? ›

Poor oral hygiene also causes other oral health conditions such as cavities, dental plaque buildup, and gum disease which are also associated with bad breath. Keeping a consistent and thorough oral care routine with brushing, flossing, and using mouthwash is one of the best defenses against bad breath.

Is bad breath caused by poor dental hygiene? ›

Halitosis — or bad breath — may be due to poor oral hygiene, but this isn't always the case. It can also occur due to a number of health conditions, including dry mouth, heartburn or even disease in another part of your body. Treatment for halitosis depends on the underlying cause.

What is the medical term for bad breath from mouth? ›

Halitosis is an oral health problem where the main symptom is bad smelling breath. In most cases, finding the cause of the bad breath is the first step toward treating this preventable condition.

Do dentists care if you have bad breath? ›

Your dentist will work with you to help you better control bad breath caused by mouth issues. Dental measures may include: Mouth rinses and toothpastes. If your bad breath is due to a buildup of bacteria called plaque on your teeth, your dentist may recommend a mouth rinse that kills the bacteria.

What kills bad breath quickly? ›

5 Quick Fixes for Constant Bad Breath
  • Pop a Sugar-Free Mint. Sugar-free mints can be used to freshen your breath before important business meetings. ...
  • Drink Water. Constant bad breath can be caused by a dry mouth, which means that your mouth isn't producing enough saliva. ...
  • Chew Sugar-Free Gum. ...
  • Use Breath Spray. ...
  • Use Mouthwash.

Why does my breath smell so bad even though I brush my teeth? ›

Mouth infections can cause bad breath. However, if your dentist has ruled out other causes and you brush and floss every day, your bad breath could be the result of another problem, such as a sinus condition, gastric reflux, diabetes, liver or kidney disease. In this case, see your healthcare provider.

What drink kills bad breath? ›

DON'T SKIP TEA TIME: BLACK TEA FIGHTS HALITOSIS IN MORE WAYS THAN ONE. Think tea is just for British folks? You may want to reconsider. Black tea is one of the best drinks for controlling bad breath.

How to treat bad breath that smells like poop? ›

Use proper dental hygiene, especially flossing. Remember that mouthwashes are not effective in treating the underlying problem. Fresh parsley or a strong mint is often an effective way to fight temporary bad breath. Avoid smoking.

How to know if bad breath is from the stomach? ›

Patients with gut problems have described multiple noticeable smells from the mouth. These include a: Rotten smell that resembles the scent of rotten eggs or sulphur. This is the most common smell people describe when experiencing chronic bad breath due to a gastrointestinal disorder.

What is it called when your breath stinks even after brushing? ›

Halitosis. The uneven surface of the tongue can trap bacteria that produce odors, leading to bad breath. Bad breath, also called halitosis, can be embarrassing and in some cases may even cause anxiety.

Why do I have bad breath every day? ›

Halitosis is caused by sulphur-producing bacteria in the tongue and throat. The major causes include a dry mouth caused by certain foods, smoking, poor oral hygiene and a coated tongue. The treatment of halitosis will depend on the underlying cause.

How to stop really bad breath? ›

Do
  1. gently brush your teeth and gums at least twice a day for 2 minutes.
  2. use a fluoride toothpaste.
  3. gently clean your tongue once a day using a tongue scraper or cleaner.
  4. clean between your teeth with interdental brushes or floss at least once a day.
  5. get regular dental check-ups.
  6. keep dentures clean and remove them at night.

How do dental hygienists deal with bad breath? ›

Dental hygienists play a crucial role in addressing bad breath by conducting comprehensive oral examinations, performing professional dental cleanings, managing gum disease, providing guidance on proper oral hygiene practices, recommending tongue cleaning techniques, suggesting mouthwashes, assessing and addressing dry ...

Do oral probiotics work for bad breath? ›

If you suffer from chronic bad breath, also known as halitosis, ongoing research indicates that oral probiotics might offer exciting possibilities for long-term relief.

Can a dental cleaning remove bad breath? ›

Cleanings are essential for both prevention and treatment of bad breath because they remove harmful bacteria before it has a chance to cause tooth decay or gum disease. At your next appointment, be sure to bring up any concerns you have about bad breath and how it's impacting your life.

What autoimmune disease causes bad breath? ›

Dry mouth is one of the leading causes of halitosis and can be the result of stress, medications, radiation or chemotherapy, tobacco or recreational drug use, and autoimmune diseases such as Sjorgren's syndrome.

Which deficiency causes bad breath? ›

Vitamin B12 helps to form red blood cells, which carry oxygen to the tissues in your mouth. It also helps to break down hom*ocysteine, an amino acid that can damage tooth enamel. A lack of Vitamin B12 can lead to bad breath, mouth ulcers, and the detachment of the connective tissues supporting your teeth.

How do you know if your bad breath is from your stomach? ›

Patients with gut problems have described multiple noticeable smells from the mouth. These include a: Rotten smell that resembles the scent of rotten eggs or sulphur. This is the most common smell people describe when experiencing chronic bad breath due to a gastrointestinal disorder.

What organ failure causes bad breath? ›

Kidney failure impairs the ability of this organ to filter out minerals and they accumulate in the bloodstream. As a result, you experience a metallic taste and bad breath.

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