Oil pulling has become a popular home remedy for oral health, especially with coconut oil as the oil of choice. It is simple, inexpensive, and easy to try. But like any wellness practice, it is worth understanding what it actually does, what it does not do, and where it can go wrong. This guide walks through the real coconut oil pulling dangers, the documented side effects, and how to practice it safely, using findings from peer reviewed research rather than assumptions.
What Is Coconut Oil Pulling?
Oil pulling is a traditional Ayurvedic practice that involves swishing oil around the mouth for several minutes, then spitting it out. The idea is that the oil “pulls” bacteria and debris away from the teeth and gums.
Coconut oil is a common choice because it is affordable, widely available, and has a mild taste compared to sesame oil, which is the oil traditionally used in Ayurveda. It is made up largely of medium chain fatty acids, roughly half of which is lauric acid, a compound with known antimicrobial and anti inflammatory properties, according to a 2020 systematic review published in Heliyon.
People typically use one to two tablespoons of coconut oil, swish it for 10 to 20 minutes, then spit it into a bin (never a sink, since it can solidify and clog pipes) and rinse with water before brushing as normal.
Oil pulling is not a substitute for brushing, flossing, or fluoride toothpaste. It is best understood as an additional step some people choose to include, not a replacement for standard oral hygiene supported by decades of dental research.
What Are the Potential Coconut Oil Pulling Dangers?
For most healthy adults, oil pulling with coconut oil is low risk when done correctly. Still, several documented dangers of coconut oil pulling are worth knowing before you start.
Accidental swallowing. The oil picks up bacteria, food particles, and saliva during swishing. Swallowing it defeats the purpose and may cause mild digestive upset in some people.
Nausea or stomach discomfort. Swishing oil for an extended period, especially on an empty stomach, can trigger nausea in people who are sensitive to the sensation or the taste.
Jaw soreness or fatigue. Ten to twenty minutes of continuous swishing works the jaw muscles more than normal talking or chewing. People with existing jaw issues, such as temporomandibular joint (TMJ) disorders, may notice soreness or fatigue afterward.
Mouth irritation. Overly vigorous swishing, or doing it too frequently, can irritate the soft tissue of the cheeks and gums.
Risk of accidentally inhaling oil. This is one of the more serious, if rare, dangers. There are documented case reports of exogenous lipoid pneumonia, an inflammatory lung condition, occurring in people who habitually aspirated oil into the airway during oil pulling or nasal oil rinsing over months, as documented in case reports published in BMC Pulmonary Medicine. This appears to be uncommon, but it underscores why the oil should be swished gently and never inhaled or performed while lying down.
It should not replace regular dental care. None of the current evidence suggests oil pulling can substitute for professional cleanings, fillings, or treatment of gum disease. Using it as a stand in for dental visits can allow real problems to progress untreated.
What Are the Side Effects of Oil Pulling?
Most oil pulling side effects are mild and temporary. The most commonly reported ones include:
- Nausea, particularly during the first few attempts or with longer swishing times.
- Jaw discomfort from the sustained muscle activity.
- Mild mouth or gum irritation, especially with vigorous technique.
- Stomach upset, usually linked to accidentally swallowing oil.
If any of these effects are more than mild, or they persist beyond the first few sessions, it is reasonable to stop and reassess. Oil pulling should feel like a gentle, low effort habit, not something that causes ongoing discomfort. Anyone who develops facial swelling, difficulty breathing, or a persistent cough after oil pulling, particularly if the oil may have been inhaled, should seek medical attention promptly.
Are There Any Olive Oil Pulling Dangers?
Olive oil is sometimes used as an alternative to coconut or sesame oil for pulling, largely because it is already a kitchen staple.
The general risks are similar across oils: possible nausea, jaw fatigue, mouth irritation, and the same rare aspiration concern if the oil is inhaled rather than swished and spat out. Olive oil pulling dangers are not meaningfully different from coconut oil pulling dangers in this respect.
There is no strong evidence that one oil is clearly safer than another for this practice. Most oral health research on oil pulling has focused on coconut and sesame oil rather than olive oil specifically, so claims about olive oil’s superiority for oral hygiene are not well supported, based on a systematic review and meta-analysis in the International Journal of Dental Hygiene. Regardless of which oil is used, none of them replace brushing, flossing, or professional dental cleanings.
Can You Swallow Coconut Oil During Oil Pulling?
The oil should always be spat out, not swallowed. By the end of a pulling session, it contains bacteria and debris drawn from the mouth, which is the entire point of spitting it out rather than ingesting it.
If you accidentally swallow a small amount, it is generally not dangerous for most healthy people. Coconut oil itself is edible, so a small unintentional swallow is unlikely to cause harm beyond possible mild stomach discomfort or a laxative type effect if a larger amount is consumed.
Swallowing becomes more of a concern if it happens repeatedly, in larger quantities, or in someone with an existing digestive condition. If you notice ongoing stomach upset after oil pulling sessions, it is worth adjusting your technique or stopping altogether.
Can Oil Pulling Help With a Toothache?
Toothaches usually stem from underlying issues such as tooth decay, an abscess, a cracked tooth, or gum infection. These causes require diagnosis and treatment from a dentist, not a home remedy.
Some people report that oil pulling gives a temporary, mild soothing sensation, possibly from the warmth and mechanical action of swishing, or from coconut oil’s antimicrobial effects on surface bacteria. However, there is no clinical evidence that oil pulling treats the underlying cause of a toothache, such as an infection or nerve exposure.
If a toothache is sharp, persistent, worsens with hot or cold, or is accompanied by swelling or fever, that is a sign the problem needs professional evaluation rather than home management.
Does Oil Pulling Help With Bad Breath?
Bad breath, or halitosis, is often caused by bacteria on the tongue and in the mouth, gum disease, dry mouth, certain foods, or in some cases digestive or sinus issues.
Because coconut oil has documented antimicrobial activity against oral bacteria such as Streptococcus mutans, some studies have found that oil pulling can reduce the bacterial load and plaque index in the mouth over short trial periods, per the Heliyon systematic review. A reduction in odor causing bacteria could plausibly improve breath, and a 2022 meta-analysis in Healthcare found a modest benefit for oral hygiene markers across trials.
That said, oil pulling is not a substitute for brushing, flossing, and cleaning the tongue, which remain the most well established ways to manage bad breath. If bad breath persists despite good oral hygiene, it may point to gum disease, a dental infection, or a non dental cause that needs a professional evaluation.
How to Practice Coconut Oil Pulling Safely
If you want to try oil pulling, a few precautions reduce the already low risk involved.
- Use about one tablespoon of coconut oil, no more.
- Swish gently. Do not swallow the oil at any point.
- Avoid aggressive or forceful swishing that strains the jaw or irritates the gums.
- Keep sessions to a reasonable length, generally under 15 to 20 minutes, and avoid doing it multiple times a day.
- Spit the oil into the trash, not the sink, since it can solidify and clog pipes.
- Continue brushing and flossing as you normally would. Oil pulling is an addition, not a replacement.
Is Coconut Oil Pulling Safe for Your Teeth?
Current evidence suggests coconut oil pulling is generally safe for most healthy adults when done in moderation, and some small randomized trials have found modest reductions in plaque and bacterial counts compared to no intervention. A 2020 systematic review of coconut oil pulling trials found consistent, though limited, evidence of benefit for plaque and bacterial reduction, while also noting that the overall quality of the available studies was mixed and that larger, more rigorous trials are still needed.
Importantly, oil pulling has not been shown to deliver fluoride to the teeth or to prevent cavities the way fluoride toothpaste does. It should be viewed as a possible complement to oral hygiene, not a replacement for it. Routine brushing with fluoride toothpaste and regular dental checkups remain the foundation of good dental health.
When Should You See a Dentist?
Oil pulling, or any home remedy, is not a substitute for professional dental care. See a dentist if you experience:
- A persistent or worsening toothache.
- Swollen, tender, or bleeding gums.
- Sudden or severe tooth sensitivity.
- Facial swelling, especially if it is spreading.
- Bad breath that does not improve with consistent oral hygiene.
- Any oral symptom that lasts more than a few days or keeps coming back.
Frequently Asked Questions
1. What are the main coconut oil pulling dangers?
The main risks include accidentally swallowing the oil, mild nausea, jaw soreness from extended swishing, and irritation from overly vigorous technique. The rarest but most serious risk is inhaling the oil into the lungs, which has been linked in case reports to a lung condition called lipoid pneumonia when oil is aspirated repeatedly over time.
2. What are the common oil pulling side effects?
Nausea, jaw discomfort, mild mouth irritation, and occasional stomach upset from swallowing small amounts of oil are the most frequently reported oil pulling side effects. These are typically mild and resolve on their own.
3. Can you swallow coconut oil after oil pulling?
No, the oil should be spat out because it carries bacteria and debris drawn from the mouth. Accidentally swallowing a small amount is usually not harmful for healthy adults, but it should not be done intentionally or repeatedly.
4. Does oil pulling help with bad breath?
It may help modestly by reducing odor causing bacteria in the mouth, based on small studies measuring bacterial counts and plaque. It works best alongside, not instead of, brushing, flossing, and tongue cleaning.
5. Can oil pulling help with a toothache?
It may offer temporary, mild relief for some people, but it does not treat the underlying cause of a toothache, such as decay or infection. Persistent or severe tooth pain needs evaluation by a dentist.
Takeaway
Coconut oil pulling is a low risk practice for most healthy adults, with the main downsides being mild and temporary: nausea, jaw fatigue, or minor mouth irritation. The more serious risk, oil aspiration into the lungs, is rare but real, and is avoided by swishing gently and never inhaling the oil.
Oil pulling should be treated as an optional addition to your routine, not a replacement for brushing with fluoride toothpaste, flossing, and regular dental visits. If you have ongoing tooth pain, gum problems, or persistent bad breath, those are signs to see a dentist rather than rely on a home remedy alone.
References
- Woolley J, Gibbons T, Patel K, Sacco R. The effect of oil pulling with coconut oil to improve dental hygiene and oral health: A systematic review. Heliyon. 2020;6(8):e04789. Available via NCBI: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7475120/
- Fujita K, et al. Exogenous lipoid pneumonia caused by repeated sesame oil pulling: a report of two cases. BMC Pulmonary Medicine. 2015. Available via NCBI: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4628246/
- Jong FJX, Ooi J, Teoh SL. The effect of oil pulling in comparison with chlorhexidine and other mouthwash interventions in promoting oral health: A systematic review and meta-analysis. International Journal of Dental Hygiene. Referenced via PubMed: https://pubmed.ncbi.nlm.nih.gov/42358908/
- Peng TR, Cheng HY, Wu TW, Ng BK. Effectiveness of Oil Pulling for Improving Oral Health: A Meta-Analysis. Healthcare (Basel). 2022;10(10):1991. Referenced via PubMed.
This article is for informational purposes only and does not replace professional dental or medical advice. If you have persistent oral health symptoms, please consult a dentist or physician.
