Natural Remedies for Toothaches

Medically reviewed content. Written with guidance from licensed dental practitioners.

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Natural Remedies for Toothaches: What the Evidence Actually Supports

Toothache home remedy lists tend to treat every ingredient in the kitchen as equally credible — clove oil sitting next to vanilla extract as if they had the same evidence behind them. They don’t. This guide grades each common remedy by the actual research supporting it, so you know which ones are worth reaching for and which are folklore with little to back them up.

A necessary caveat first: every remedy below provides, at best, temporary symptom relief. Toothache is a symptom of an underlying problem — decay, infection, a cracked tooth, or gum disease — that a home remedy cannot resolve. Delaying professional care in favor of home management risks the underlying problem progressing into something more serious, painful, and expensive to treat. Use these for genuine short-term relief while arranging a dental appointment, not as a substitute for one.

Strong Evidence

Clove Oil — The Best-Supported Remedy on This List

Clove oil’s active compound, eugenol, has real clinical trial support, not just centuries of traditional use. A controlled trial of 73 adults found clove oil performed comparably to benzocaine, a standard topical dental anesthetic, with both significantly outperforming placebo. Separate research directly comparing garlic oil to eugenol found the two performed similarly for pulpitis pain (detailed below), reinforcing eugenol’s standing as a genuine reference point in this space rather than just a folk remedy that happens to be popular.

How to use it: dip a cotton ball or swab in clove oil (diluted in a carrier oil like olive oil is safer than applying it undiluted) and apply directly to the affected tooth for up to 20 minutes, or mix a few drops into a glass of water as a rinse. Never apply undiluted clove oil directly to soft tissue in large amounts, since concentrated eugenol can cause chemical irritation.

Salt Water Rinse — Simple, and Genuinely Effective

A warm salt water rinse (half a teaspoon of salt in a glass of warm water, swished for 30 seconds) has real mechanistic support: salt has natural disinfectant properties, and the warm water helps dislodge trapped debris while providing mild, temporary anti-inflammatory relief. It’s consistently recommended across dental sources as a genuinely useful, low-risk supportive measure, though it doesn’t touch the underlying cause of the pain.

Cold Compress — Well-Established, Mechanistically Sound

Applying a cold pack wrapped in a towel to the outside of the cheek (never directly on skin) for 15–20 minutes reduces swelling and provides a mild numbing effect through basic, well-understood physiology — reduced blood flow and slowed nerve conduction in the cooled area. This is one of the most consistently recommended, lowest-risk options across all dental sources.

Moderate Evidence — More Support Than You’d Expect

Garlic — Genuinely More Evidence-Backed Than Most “Folk” Remedies

This is worth taking more seriously than its folk-remedy reputation suggests. Crushing, chopping, or chewing garlic releases allicin, a sulfur-based compound with documented antibacterial and anti-inflammatory activity against oral bacteria including Streptococcus mutans and Porphyromonas gingivalis — species directly implicated in decay and gum disease. In a small clinical study of 24 participants, applying garlic clove paste for five days relieved pain more effectively than ibuprofen alone. A separate small trial using garlic oil applied to teeth with irreversible pulpitis found it reduced pain from severe to none, with results comparable to eugenol application — a genuinely notable head-to-head result against the best-evidenced remedy on this list.

An important caveat: allicin only forms when fresh garlic is crushed or chopped — garlic powder and cooked garlic don’t produce it, so the remedy specifically requires fresh garlic prepared correctly. Use with some caution, since raw garlic applied directly to soft tissue can cause irritation or a mild chemical burn in sensitive individuals; a light application for a limited time is more appropriate than prolonged direct contact.

Guava Leaves — Real Antimicrobial Evidence, Mostly for Gum Health Rather Than Pain Directly

Guava leaf extract contains flavonoids and tannins with documented antimicrobial and anti-inflammatory properties. A randomized, placebo-controlled trial evaluated a guava leaf mouth rinse as part of a comprehensive oral care regimen, and separate ongoing clinical trials are directly comparing guava leaf mouth rinse to standard 0.2% chlorhexidine for gingivitis, with early evidence suggesting comparable antimicrobial performance. It’s worth being precise about what this evidence actually supports: the trial base is stronger for guava leaf’s effect on gum inflammation and bacterial load than for directly relieving tooth pain specifically, so it’s a more defensible choice for someone whose toothache stems from gum irritation than for pain from a deep cavity or cracked tooth.

How to use it: chew fresh leaves to release their compounds directly, or boil leaves in water, let the solution cool, and use as a rinse.

Hydrogen Peroxide Rinse — Effective, But Genuinely Requires Caution

Hydrogen peroxide has documented antiseptic properties — research shows even a 6% solution can kill roughly half of a tested bacterial sample within 15 seconds of rinsing — but this is also the remedy on this list with the clearest, most specific safety caveats, which deserve more attention than most home-remedy lists give them. Undiluted 3% hydrogen peroxide (the standard pharmacy concentration) is too strong for direct, repeated oral use; dental sources consistently recommend diluting it to roughly 1.5% (equal parts 3% peroxide and water) before rinsing. High concentrations or overly frequent use can be corrosive to oral soft tissue and can disrupt the natural balance of oral bacteria, and research on hydrogen peroxide whitening products has specifically found measurable inflammatory changes in gum tissue following application, reinforcing that this isn’t a risk-free, unlimited-use remedy.

How to use it safely: always dilute (roughly equal parts 3% peroxide and water), swish for 30–60 seconds, spit completely, and rinse with plain water afterward — never swallow. Limit use to a few days at most rather than an ongoing daily habit, and stop if you notice increased irritation.

Limited or Mixed Evidence

Acupressure — A Real Signal, But From a Smaller, More Mixed Evidence Base

Pressing the point on the back of the hand where the thumb and index finger meet (a point commonly referenced in acupressure) is thought to provide relief through endorphin release, and it appears among techniques studied in dental pain research alongside formal acupuncture. As with acupuncture research generally in dentistry, study quality varies considerably, and acupressure specifically has a smaller, less rigorous trial base than acupuncture. It’s a genuinely low-risk technique worth trying as a supplementary measure, but shouldn’t be relied on as a primary pain-management strategy given the thinner evidence base compared to options like clove oil or a cold compress.

Peppermint Tea Bags — Plausible, With Some Supporting Research

Peppermint has documented antioxidant and mild antibacterial properties, and a chilled, used tea bag applied directly to the affected tooth combines a cooling numbing effect with these properties. This sits in a reasonable middle tier: more than pure folklore, but with a thinner and less rigorous evidence base than clove oil or the salt water rinse.

Remedies With Little to No Direct Evidence for Toothache Pain

It’s worth being honest about these rather than repeating them uncritically, since a “natural remedies” list that includes everything regardless of evidence quality isn’t actually more helpful than no list at all:

Vanilla extract — while it does contain alcohol (which has some numbing property at high concentrations) and antioxidant compounds, there is no dedicated clinical research specifically testing vanilla extract for dental pain relief; any effect is plausible but essentially unstudied. The alcohol content in typical pure vanilla extract is also fairly low compared to what would meaningfully numb tissue, so any relief experienced is more likely mild and psychological or placebo-driven than pharmacologically significant.
Onion — commonly cited for “antimicrobial properties” in general food-science contexts, but there is no dental-pain-specific clinical trial evidence supporting chewing or applying raw onion for toothache relief. Onions do contain sulfur compounds with some general antimicrobial activity in laboratory settings, similar in category to garlic’s allicin, but this hasn’t been translated into dedicated dental pain research the way garlic’s has.

Thyme oil — thyme does have documented general antibacterial properties in broader research, including activity against some oral bacteria in laboratory studies, but dedicated trials specifically testing thyme for toothache relief in humans are lacking; treat this as a plausible but unproven option rather than an established remedy.
Wheatgrass — frequently cited for general antibacterial and nutrient content, but without specific dental pain trial evidence behind the toothache-relief claim specifically; most of the enthusiasm around wheatgrass for oral health appears to extrapolate from its general nutritional reputation rather than dedicated dental research.

What to look for: these aren’t necessarily harmful to try (with normal food-safety precautions), but they shouldn’t be mistaken for evidence-backed options on par with clove oil, garlic, or a salt water rinse — the honest answer is that current research simply hasn’t tested them for this specific use.

Maintaining Oral Hygiene to Prevent Toothaches

Brush properly — twice daily with fluoride toothpaste, using gentle circular motions rather than aggressive scrubbing
Floss daily — removes food particles and plaque from between teeth that brushing alone can’t reach
Consider an antiseptic mouthwash — to help reduce overall bacterial load between brushings

Diet and Lifestyle Factors

Limit sugary and acidic foods and drinks — these directly fuel the bacterial acid production that erodes enamel and drives decay
Stay hydrated — water helps wash away food particles and bacteria and supports saliva’s own protective function
Avoid tobacco and excessive alcohol — both measurably impair healing and increase risk of dental complications, including delayed recovery from any needed treatment

When to See a Dentist

Natural remedies provide temporary relief at best — none of them address the underlying cause of a toothache. See a dentist promptly if you experience:

Pain lasting more than a day or two despite home management
Pain that’s spontaneous (occurring without any trigger) or that lingers well after removing a hot/cold trigger

Visible swelling in the face, jaw, or gums
Fever or signs of spreading infection
Difficulty swallowing or breathing — this warrants emergency care, not a home remedy

Frequently Asked Questions About Natural Toothache Remedies:

Which natural remedy has the strongest scientific evidence behind it?

Clove oil, by a meaningful margin — a controlled trial found it performed comparably to benzocaine, a standard topical dental anesthetic, with both clearly outperforming placebo, giving it the most direct clinical trial support of any remedy on this list.

Is garlic actually effective for tooth pain, or is that just folklore?

There’s genuine small-trial evidence behind it — one study found garlic paste relieved pain more effectively than ibuprofen alone, and a separate trial found garlic oil reduced pulpitis pain to a degree comparable to eugenol (clove oil). It requires fresh, crushed garlic specifically, since the active compound (allicin) doesn’t form in garlic powder or cooked garlic.

Is hydrogen peroxide safe to use for a toothache?

Only when properly diluted (roughly equal parts 3% peroxide and water) and used briefly — undiluted or frequent use can be corrosive to oral tissue and disrupt the natural oral microbiome. It has genuine antiseptic value but requires more caution than remedies like salt water rinses.

Do vanilla extract, onion, and wheatgrass actually work for toothaches?

There’s no dedicated clinical trial evidence specifically testing these for dental pain relief — they’re plausible based on general antioxidant or antibacterial properties, but shouldn’t be treated as equivalent to better-evidenced options like clove oil or garlic.

Can acupressure really relieve tooth pain?

There’s a genuine, if smaller and less rigorously studied, evidence base suggesting some benefit, likely through endorphin release. It’s reasonable to try as a low-risk supplementary technique, but the evidence is considerably thinner than for options like clove oil.

How long can I safely rely on home remedies before seeing a dentist?

No home remedy addresses the underlying cause of a toothache, so persistent pain lasting more than a day or two, or any pain accompanied by swelling, fever, or spontaneous unprovoked pain, warrants prompt professional evaluation rather than continued home management.

Can I combine multiple natural remedies at once, like clove oil and a salt water rinse?

Yes, and this is a reasonable approach — a salt water rinse to cleanse the area followed by clove oil for more targeted, localized relief is a commonly recommended combination, since the two work through different mechanisms (general disinfection versus direct localized numbing) rather than competing with each other.

Bottom Line

Not all toothache home remedies deserve equal trust. Clove oil has the strongest clinical evidence, performing comparably to a standard topical anesthetic in controlled research; garlic and guava leaf both have genuine, if smaller, supporting trials; salt water rinses and cold compresses remain reliable, low-risk supportive measures; and hydrogen peroxide is effective but requires real caution around dilution and frequency. Vanilla extract, onion, thyme, and wheatgrass remain plausible but essentially untested for this specific use — worth knowing before reaching for them as if they carried the same evidence as the options above. Whatever combination you use, treat it as a bridge to professional care, not a substitute for it — a toothache is a symptom, and only a dentist can address what’s actually causing it.

References

“Clove oil for toothache: Use and side effects.” Medical News Today (summarizing the 2006 clove oil vs. benzocaine trial) — https://www.medicalnewstoday.com/articles/321256
“Garlic for Toothache: Natural Pain Relief and Safety Tips.” Oxboro Family Dental — https://oxborofamilydental.com/blog/garlic-for-toothache/
“Evaluation of a mouthrinse containing guava leaf extract as part of comprehensive oral care regimen — a randomized placebo-controlled clinical trial.” PMC — https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6873761/

“Comparative Evaluation of Guava Leaf Extract and Chlorhexidine Mouthwash in Patients With Chronic Gingivitis.” ClinicalTrials.gov — https://clinicaltrials.gov/study/NCT07059572
“Hydrogen peroxide-based products alter inflammatory and tissue damage-related proteins in the gingival crevicular fluid of healthy volunteers: a randomized trial.” PMC — https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6400941/
“Should You Use Hydrogen Peroxide For A Toothache?” 1311 Jackson Ave Dental (summarizing bacterial-kill concentration research) — https://www.jacksonavedental.com/post/should-you-use-hydrogen-peroxide-for-a-toothache

“11 Home Toothache Remedies: Evidence-Based Relief That Works.” Ask the Dentist — https://askthedentist.com/toothache-remedies/

This article summarizes findings from published clinical trials and dental health sources; it is not a substitute for personalized advice from a licensed dentist. Persistent, severe, or worsening tooth pain warrants professional evaluation.