How to Get Rid of White Tongue (and Which Mouthwash Helps)
May 26, 2026
Adèle & Dvir
Zoral Founders
On this page
- First, check that home treatment is right for you
- Step 1: Clean your tongue every day
- Step 2: Drink more water
- Step 3: Brush and floss properly
- Step 4: Use mouthwash for white tongue, the right way
- Step 5: Deal with mouth breathing
- Step 6: Change what irritates or dries your tongue
- Is there a cure for white tongue?
- What not to do
- How long does it take to get rid of white tongue?
- The bottom line
- Frequently asked questions
To get rid of white tongue, clean your tongue once a day with a scraper or soft toothbrush, drink more water, brush and floss properly, and cut back on smoking and alcohol; most ordinary white tongue clears within a few days to a few weeks. Cleveland Clinic says white tongue usually goes away within a few weeks and that most people can get rid of it with good oral hygiene and enough fluids. Mouthwash helps a little but cannot do the job alone, and white patches that will not scrape off are not something home care can fix. Here is the step-by-step plan, which mouthwash is worth using, and when to see a dentist instead.
First, check that home treatment is right for you
Most white tongue is a coating of dead cells, bacteria and food debris trapped between the papillae, the tiny bumps on the tongue (Cleveland Clinic). That kind responds to the steps below. Before you start, run through this quick check:
- Home care is reasonable if the white is a soft film that scrapes or brushes off, the tongue underneath looks pink, it does not hurt, and it has been there less than a couple of weeks.
- See a dentist or doctor instead if the white patches do not come off, there is pain, burning or bleeding, it has lasted more than a few weeks, or you have a weakened immune system. Patches that do not rub off can be leukoplakia or lichen planus, and creamy patches that leave red, sore spots when wiped can be thrush (NHS).
Not sure which you have? Our thrush or white tongue guide walks through the differences, and the white tongue hub covers every common cause.
Step 1: Clean your tongue every day
This is the step that does the most. Both Cleveland Clinic and the NHS list brushing the tongue or using a tongue scraper as a way to clear white tongue (Cleveland Clinic, NHS). In a two-week study, regular tongue cleaning with either a scraper or a toothbrush significantly reduced tongue coating (Quirynen et al., 2004).
- Stick your tongue out and place the scraper (or a soft toothbrush) as far back as is comfortable.
- Pull forward to the tip in one slow stroke with light pressure.
- Rinse and repeat across the middle and both sides until little comes off.
- Do it once a day, ideally in the morning, when the coating is thickest.
Light pressure is enough. If it stings or bleeds, you are pressing too hard. The full technique is in how to use a tongue scraper, and why scrapers suit this job is covered in tongue scraper for white tongue.
Step 2: Drink more water
Saliva constantly rinses the tongue, so when your mouth is dry, coating builds up fast. Cleveland Clinic's home advice for white tongue includes drinking at least eight glasses of water a day (Cleveland Clinic), and the NIDCR suggests 8 to 12 cups a day for people with dry mouth (NIDCR).
- Drink a glass of water when you wake up.
- Sip through the day rather than drinking a lot at once.
- Cut back on alcohol, which dries the mouth; Cleveland Clinic names more than one drink a day as a cause of white tongue.
- Chew sugar-free gum to get saliva going.
If your mouth stays dry despite drinking more, a medication or condition may be the cause. See white tongue from dry mouth and white tongue from dehydration.
Step 3: Brush and floss properly
Brush twice a day with a soft toothbrush and fluoride toothpaste, floss or use interdental brushes once a day, and see your dentist for checkups. That is Cleveland Clinic's prevention advice for white tongue, and it keeps down the overall bacterial load that feeds the coating (Cleveland Clinic). Replace your toothbrush every three to four months or sooner if the bristles fray (ADA).
Step 4: Use mouthwash for white tongue, the right way
Mouthwash is a supporting step. It can reduce bacteria for a while, but it does not physically remove the coating, so on its own it rarely clears a white tongue. What to choose:
- Pick a therapeutic rinse, not a cosmetic one. The ADA separates cosmetic mouthwashes, which only mask odor temporarily, from therapeutic ones with active ingredients. Cetylpyridinium chloride (CPC) is added to reduce bad breath, and fluoride helps prevent decay (ADA).
- Go alcohol-free if your mouth is dry. The ADA notes alcohol can be drying and suggests alcohol-free rinses for people with dry mouth. Cleveland Clinic recommends mild fluoride toothpaste and mouthwash for white tongue.
- Chlorhexidine is a short-term, dentist-guided option. It is dispensed with a prescription label (Cleveland Clinic), and studies report staining of the teeth and tongue and altered taste (ADA). Use it only if your dentist recommends it.
- An antibacterial mouthwash will not treat thrush. Thrush is a fungal infection that needs antifungal treatment; in the UK, pharmacies sell an antifungal mouth gel for it, and a GP can prescribe others (NHS).
Use mouthwash after scraping and brushing, not instead of them. Our mouthwash guide covers ingredients in more detail.
Step 5: Deal with mouth breathing
Breathing through your mouth, especially at night, dries the tongue and leaves a thicker coating by morning (Cleveland Clinic). If your tongue is much whiter on waking than at bedtime, this is a likely culprit. Treating blocked sinuses or allergies, sleeping on your side and using a bedroom humidifier can help. Loud snoring or waking unrested is worth mentioning to a doctor, since sleep apnea can cause both. See white tongue from mouth breathing.
Step 6: Change what irritates or dries your tongue
- Stop or reduce tobacco and vaping. Cleveland Clinic lists smoking, vaping, dipping and chewing tobacco as causes of white tongue. See white tongue from smoking and vaping.
- Eat more fruit and vegetables. A diet short on them and heavy on soft foods is on Cleveland Clinic's list of causes. Firm, fibrous foods also scrub the tongue lightly as you chew.
- Avoid foods that sting. Spicy, salty, acidic or very hot food can irritate a sore tongue.
- Cut down on sugar. It feeds the bacteria and yeast in your mouth.
Is there a cure for white tongue?
For ordinary coating, the "cure" is the routine above: it clears the coating, and keeping it up stops it coming back. Cleveland Clinic notes that white tongue usually goes away without treatment within a few weeks; good hygiene just speeds it up. When white tongue is a symptom of something else, the treatment depends on the cause, which is why a diagnosis matters:
| Cause | What treats it |
|---|---|
| Coating from hygiene, dryness, smoking or diet | Daily tongue cleaning, water, brushing, cutting triggers |
| Oral thrush | Antifungal medicine (Cleveland Clinic) |
| After antibiotics | Often thrush; see a pharmacist or doctor. See white tongue after antibiotics |
| Oral lichen planus | Managed by a doctor, sometimes with steroid rinses or sprays |
| Leukoplakia | Needs assessment; patches at risk may be removed |
| Geographic tongue | Harmless; avoiding trigger foods eases soreness |
| Illness or fever | Clears as you recover. See white tongue when sick |
What not to do
- Do not scrape hard. Pressure does not remove more coating; it irritates the tongue.
- Do not try to scrape off patches that will not move. That is a sign to see a dentist, not to try harder.
- Do not put bleach, undiluted hydrogen peroxide or other household chemicals on your tongue.
- Do not rely on mouthwash alone.
- Do not ignore it if it keeps coming back. Recurring white tongue usually has a cause you have not addressed yet.
How long does it take to get rid of white tongue?
A light coating from a dry night or a few days of illness often looks much better after a day or two of cleaning and drinking more water. A heavier coating from weeks of buildup, smoking or mouth breathing takes longer. Cleveland Clinic's guidance is that white tongue usually goes away within a few weeks and that you should see a healthcare provider if it lasts longer, or sooner if it hurts or affects eating or talking (Cleveland Clinic).
The bottom line
Getting rid of white tongue is mostly about a few daily habits: clean your tongue, drink water, brush and floss, choose an alcohol-free therapeutic mouthwash if you want one, and cut back on what dries or irritates your mouth. Give it a couple of weeks. If the white will not come off, hurts, or keeps coming back, the answer is a diagnosis, not more scraping. A simple scraper like Zoral's 316L stainless steel tongue scraper makes the daily step quicker, but a soft toothbrush works too.