7 Home Remedies for Bad Breath

Brushing your teeth, cleaning between your teeth, and gently cleaning your tongue are the top home remedies for bad breath.

These habits address common sources of odor in the mouth, but they do not replace an examination if bad breath persists. For a hydration-focused overview, see the best drinks for bad breath.

What are 7 home remedies for bad breath?

The ai symptom analyzer can help you organize symptoms before an appointment, but it cannot diagnose the cause of bad breath.

Bacteria in the mouth can produce smelly sulfur compounds as they break down material left on the tongue and around teeth. A 2019 review of oral malodor identifies plaque control as the basis of managing bad breath, while other products are supplementary. The remedies below start with oral hygiene; they are not a ranking from head-to-head trials.

Avoid putting undiluted essential oils or peroxide in your mouth, as they can irritate or injure tissue. Oil pulling is not a substitute for brushing, cleaning between teeth, or dental care.

1. How should you brush your teeth?

Brushing removes food and plaque from tooth surfaces. Plaque contains bacteria that can contribute to bad breath, particularly when it collects along the gumline.

Brush twice a day for 2 minutes with fluoride toothpaste and a soft-bristled toothbrush. Clean the outer, inner, and chewing surfaces of your teeth, using gentle strokes along the gumline. Spit out excess toothpaste rather than swallowing it.

Pay attention to hard-to-reach back teeth, but avoid scrubbing aggressively: that can irritate your gums. Brushing also does not clean every space between teeth, so use it alongside an interdental cleaning method.

Evidence: Plaque control is the best-supported starting point in the review, although the review does not establish how quickly brushing alone will resolve a particular person's bad breath.

2. How can you clean between your teeth?

Food and plaque can collect where a toothbrush cannot easily reach. Cleaning those spaces helps remove material that mouth bacteria can break down into odor-producing compounds.

Use floss or an appropriately sized interdental brush once a day. With floss, guide it gently between the teeth, curve it against the side of each tooth, and slide it just under the gum edge without snapping it into the gums. Use a clean section as you move from space to space.

If an interdental brush will not fit comfortably, do not force it. A dentist or dental hygienist can help you choose a size or method, especially if you have braces, bridges, or limited dexterity. Arrange a dental visit if your gums continue to bleed.

Evidence: Cleaning between teeth supports plaque control, but the evidence cited here does not rank floss against other interdental methods specifically for bad breath.

3. How do you clean your tongue safely?

The coating on the tongue, especially toward the back, can harbor bacteria involved in bad breath. Gently removing some of that coating may reduce a source of odor rather than simply covering it up.

Once a day, use a tongue scraper or a soft toothbrush. Reach only as far back as is comfortable, then move gently toward the front of your tongue. Rinse the tool between passes and clean it after use.

Avoid pressing hard or scraping repeatedly until the tongue is sore. Stop if cleaning causes pain, bleeding, or significant irritation. Tongue cleaning complements brushing and interdental cleaning; it does not replace either one.

Evidence: The review describes tongue bacteria as an important source of odor-producing compounds. It does not prove that a scraper works better than a toothbrush or that tongue cleaning will fix every cause of bad breath.

4. How should you clean dentures and retainers?

Removable dental appliances can collect food and plaque. If they are not cleaned regularly, buildup on their surfaces can contribute to bad breath even when you brush your natural teeth.

Clean dentures daily with a soft denture brush and a cleanser intended for dentures. Rinse them before putting them back in your mouth, and do not put denture cleanser directly in your mouth. Gently clean your gums and any remaining natural teeth as well.

Follow your dentist's instructions for removing and storing dentures overnight. For retainers and other appliances, use the cleaning method recommended by the dental professional or manufacturer; avoid boiling water, which can damage an appliance. Ask your dentist to check the fit if an appliance causes sores.

Evidence: Removing plaque and food from appliances is a practical extension of plaque control. The cited review does not provide a specific trial showing how much appliance cleaning reduces bad breath.

5. Can drinking water help bad breath?

A dry mouth can make bad breath more noticeable. Saliva helps keep the mouth moist and clear away food, so sipping water may provide temporary relief when dryness is part of the problem.

Drink water regularly according to your thirst and usual needs. After a meal, you can also rinse your mouth with water and spit it out to help clear loose food. Water is useful between brushing sessions, but it cannot remove hardened plaque or treat a dental infection.

If your mouth stays dry, ask a dentist or doctor about possible causes, including medicines or a health condition. If you have been told to limit fluids because of heart, kidney, or another condition, follow that advice rather than increasing your intake on your own.

Evidence: Hydration is a reasonable measure for a dry mouth, but evidence that drinking extra water treats persistent bad breath is limited.

6. Can sugar-free gum help bad breath?

Chewing sugar-free gum stimulates saliva, which can help when a dry mouth contributes to bad breath. It may also help clear some food remnants after eating.

Chew a piece after a meal when brushing is not practical, and choose a sugar-free product rather than sugary gum or candy. Treat it as a short-term aid, not a replacement for cleaning your teeth or finding the reason bad breath persists.

Gum may be uncomfortable if you have jaw pain or may not suit you if you wear certain dental appliances. It is also a choking risk for young children, so do not give it to a child who cannot chew it safely.

Evidence: The saliva-stimulating effect offers a plausible way to help with dryness, but evidence that gum alone resolves persistent bad breath is limited.

7. Can avoiding food triggers help bad breath?

Foods such as garlic and onions can cause temporary bad breath. Some odor-producing compounds can affect the air you exhale after eating, so brushing may not remove the smell immediately.

Notice whether bad breath consistently follows a particular food. If it bothers you, try reducing that food or saving it for a time when temporary odor is less inconvenient. Continue your normal oral care and rinse with water after eating, but do not expect a rinse to eliminate every food-related odor.

A brief food and symptom diary may help you identify a pattern without unnecessarily cutting out a wide range of foods. If bad breath continues regardless of what you eat, look beyond food triggers and arrange a dental assessment.

Evidence: Avoiding an identified trigger is a practical way to limit food-related odor, but it is not an established remedy for bad breath caused by gum disease, dry mouth, or another condition.

When should you see a dentist or doctor about bad breath?

See a dentist if bad breath persists despite consistent oral care, keeps returning, or occurs with bleeding gums, loose teeth, tooth pain, mouth sores, or a persistent coating or change in your mouth. A dentist can check for problems that home care cannot fix, including gum disease or tooth decay.

Seek prompt dental or medical care for significant facial swelling, fever with dental pain, or worsening mouth pain. Get emergency care if swelling makes it difficult to breathe or swallow. Fruity-smelling breath together with vomiting, abdominal pain, rapid breathing, confusion, or extreme drowsiness also needs emergency assessment, especially in someone with diabetes.

If a dentist does not find an oral cause, or if you have persistent dry mouth, reflux symptoms, or ongoing nasal symptoms, speak with a doctor. Medicines can contribute to dry mouth; do not stop or change a prescribed medicine without discussing it with its prescriber.

During pregnancy, ask a dentist about persistent bad breath, bleeding gums, or mouth pain rather than relying on home remedies alone. Children with persistent bad breath or mouth pain should also be assessed by a dentist or doctor; supervise their brushing and keep choking risks such as gum away from young children.