Toothache During Pregnancy: What to Do?

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

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Toothaches During Pregnancy: The Complete, Evidence-Based Guide

If you’re pregnant and dealing with a toothache on top of everything else, you’re not imagining that everything about your body feels a little more sensitive right now — your gums included. The good news, and it’s real good news backed by major medical guidance from both the American College of Obstetricians and Gynecologists (ACOG) and the American Dental Association (ADA): dental care during pregnancy is safe at every stage, so you don’t have to grit your teeth (literally) and wait until after the baby arrives. This guide walks through why your mouth feels different right now, what’s actually safe to do about the pain, and a few myths you can stop worrying about.

Why Toothaches Are Common During Pregnancy

Hormonal Changes and Pregnancy Gingivitis

If your gums have started bleeding a little when you brush, or look puffier than usual, you’re in very good company. Elevated estrogen and progesterone increase gum sensitivity and inflammation, and this is genuinely one of the most common things that happens to a pregnant body — ACOG cites pregnancy gingivitis affecting roughly 40% of pregnant women, with other guidance placing the figure above 30%. So if this is happening to you, it’s not a sign you’re doing something wrong with your oral hygiene — it’s just pregnancy. It tends to be most noticeable in the third trimester, and if your gums were already a little sensitive before you got pregnant, you may notice it more than someone starting from a totally clean slate.

Increased Blood Flow

Pregnancy increases blood flow throughout the body, including gum tissue, which can heighten sensitivity and susceptibility to irritation — a direct physiological contributor to discomfort, separate from any change in oral hygiene.

Dietary Changes

If you’re craving orange juice and crackers at 10pm, your teeth are feeling that too. Sugary or acidic cravings, combined with more frequent snacking (hello, growing person who needs fuel around the clock), raise cavity risk through the same acid-production mechanism that affects anyone’s teeth — but the grazing pattern common in pregnancy tends to make it worse, since each new bite of something sweet triggers a fresh acid attack from bacteria that takes your saliva roughly 20 to 30 minutes to neutralize. Combine that with gums that are already more sensitive from hormones, and it’s an easy recipe for extra irritation.

Morning Sickness

If you’ve been throwing up, your teeth have been through something too — stomach acid coming back up erodes enamel and can leave teeth feeling sensitive, which is a genuinely different mechanism than the usual “ate something acidic” enamel wear, since it’s happening internally and repeatedly rather than from something you chose to eat.

Calcium Demands

The developing fetus draws calcium for bone development, and if maternal intake is insufficient, this can theoretically affect maternal bone and dental health, though it’s worth noting that fetal skeletal calcium needs are generally well met by increased maternal calcium absorption efficiency during pregnancy rather than primarily by depleting the mother’s existing tooth structure — teeth specifically are not a major calcium reservoir the body draws from the way bone can be.

Oral Hygiene Challenges

Fatigue and nausea can genuinely make brushing and flossing more difficult during pregnancy, particularly during first-trimester morning sickness, contributing to plaque buildup at precisely the time gum tissue is most vulnerable to inflammation.

Is a Toothache During Pregnancy Dangerous? Here’s the Honest Answer

It’s completely normal to worry — anything that hurts while you’re pregnant comes with an extra layer of “wait, is this okay for the baby?” So let’s actually answer that, honestly, rather than just reassuring you in a way that glosses over the real, more nuanced picture.

What’s well-established: untreated infections (a tooth abscess or spreading gum infection) carry real risk of spreading systemically, and severe periodontal disease has a documented statistical association with preterm birth and low birth weight — an overview of 23 systematic reviews conducted through 2016 concluded associations exist between periodontitis and preterm birth, low birthweight, and preeclampsia.

Here’s the nuance most articles skip: an association isn’t the same thing as proof that one causes the other, and — this is the part worth really sitting with — the evidence that treating gum disease during pregnancy actually prevents preterm birth is a lot shakier than the association itself. ACOG’s own guidance says plainly that despite studies linking periodontal disease to pregnancy complications, “evidence has failed to show any improvement in outcomes after dental treatment during pregnancy” in several trials, including a U.S. trial that found no benefit at all. Other trials found some benefit — one showed fewer preterm low-birth-weight babies with deep cleaning plus education and chlorhexidine rinses — so honestly, the science is still genuinely mixed.

What this means for you, practically: none of that uncertainty is a reason to skip the dentist. ACOG is clear that treating gum disease in pregnancy is safe for you and baby and helps your oral health either way. So go ahead and get it treated — just don’t feel like you’re single-handedly preventing preterm birth by doing so, because that specific claim just isn’t settled science yet.

Other things worth taking seriously, in plain terms:

An untreated infection really can spread beyond your mouth — that part isn’t up for debate
Living with chronic pain is genuinely hard on anyone, pregnant or not, and it’s okay to want relief for your own sake, not just the baby’s

Safe Treatment Options — So You Can Stop Worrying and Get Some Relief

Yes, You Can (and Should) See Your Dentist — Any Trimester

If you’ve been putting off calling your dentist because you’re not sure it’s safe right now, this is your sign to make the appointment: the ADA states regular and emergency dental care, including local anesthetics and X-rays (with a lead apron), is safe at any stage of pregnancy. That said, if it’s not an emergency, the second trimester tends to be the most comfortable window — the first trimester is when the baby’s organs are developing (so non-urgent stuff usually waits unless it’s truly needed), and by the third trimester, lying back in a dental chair for a while just isn’t as comfortable as it used to be. None of that is about safety — it’s just about timing things when you’ll feel best.

Home Pain Relief While You Wait for Your Appointment

Saltwater rinse — a teaspoon of salt in warm water, swished several times daily, has genuine disinfectant and mild anti-inflammatory support and is specifically recommended in ACOG’s own pregnancy oral health guidance for gum irritation.
Cold compress — applied to the outside of the cheek, reduces swelling and provides mild numbing with no medication involved.
Clove oil — its active compound eugenol has genuine analgesic trial support in dental pain generally (comparable to a standard topical anesthetic in controlled research), though it should be used sparingly and diluted, and it’s worth specifically asking your dentist or OB before using it during pregnancy given more limited pregnancy-specific safety data on concentrated topical eugenol.

Over-the-Counter Pain Relievers

Acetaminophen is generally considered the appropriate first-choice OTC option during pregnancy, though it should still be used at the lowest effective dose for the shortest necessary duration, and any medication decision during pregnancy is worth a quick check with your OB or pharmacist given individual circumstances.

A significant, current update worth knowing about: in September 2025, the FDA initiated a label change process for acetaminophen, based on a review suggesting a possible association between prenatal acetaminophen use and neurodevelopmental conditions like autism and ADHD in children, and issued a letter to physicians about this. This is a genuinely contested, actively evolving area rather than a settled question. ACOG, the American Academy of Pediatrics, and international regulators including the UK’s Medicines and Healthcare products Regulatory Agency and the European Medicines Agency have all maintained that current evidence does not support a causal link and that acetaminophen remains the recommended first-line pain and fever reliever in pregnancy — ACOG’s practice advisory specifically states the weight of evidence doesn’t support causation and that no change in clinical practice is warranted. The most methodologically rigorous studies on this question — sibling-controlled cohort analyses from Sweden and Norway, designed specifically to account for genetic and familial confounding factors that simpler studies can’t rule out — have not found a causal association, while some other observational studies have reported one. Given this is a genuinely live, evolving scientific and regulatory question, it’s worth discussing directly with your OB rather than relying solely on general guidance, and using acetaminophen at the lowest effective dose for the shortest duration needed remains sensible regardless of how this question ultimately resolves.

NSAIDs (ibuprofen, aspirin, naproxen) are generally avoided during pregnancy, particularly from around 20 weeks onward and especially in the third trimester, due to documented risks to fetal kidney function and premature closure of a fetal blood vessel (the ductus arteriosus) — this isn’t a minor precaution, it’s a well-established, guideline-level recommendation, and it’s a meaningfully different risk profile than acetaminophen’s.

Dental Treatments

Fillings — safe during pregnancy and shouldn’t be delayed, since untreated decay only progresses
Root canals — safe and often preferable to extraction when a tooth can be saved, avoiding the need for a later replacement
Antibiotics — penicillin and amoxicillin are generally considered appropriate choices during pregnancy when an infection requires them; your dentist and OB should coordinate on this given your specific situation and any allergies

Extractions — safe when necessary, and like other elective procedures, more comfortably scheduled for the second trimester when possible, though genuine emergencies are treated regardless of trimester

Why Delaying Treatment Is Generally the Bigger Risk

Modern dental practices are well equipped to treat pregnant patients safely, and both ACOG and ADA guidance explicitly frame avoiding necessary dental care — not receiving it — as the greater concern, since untreated decay and infection only progress over time and can ultimately require more invasive treatment.

Preventing Toothaches During Pregnancy

Oral Hygiene

Brush at least twice daily with fluoride toothpaste
Floss daily
Consider an antibacterial mouthwash to help manage the elevated inflammation risk described above

Diet

Include calcium-rich foods (dairy, leafy greens, fortified cereals) to support both maternal and fetal needs
Limit sugary snacks and drinks, particularly frequent small exposures throughout the day
Stay well hydrated, which also supports saliva’s natural protective function

Managing Morning Sickness’s Dental Impact

Rinse with water or a fluoride mouthwash after vomiting to help neutralize the acid before it has prolonged contact with enamel
Wait at least 30 minutes before brushing after vomiting — brushing immediately can actually grind acid-softened enamel away rather than protecting it, since the enamel surface is temporarily weakened right after acid exposure

Regular Dental Visits

Schedule a checkup early in pregnancy specifically so any existing issues can be identified and addressed proactively, and always inform your dentist of your pregnancy and current medications so they can coordinate appropriately.

Dry mouth is a genuine, if less commonly discussed, pregnancy symptom that raises decay risk by reducing saliva’s natural protective function — adequate hydration and, if needed, a saliva substitute can help offset this.

Avoiding Tobacco and Alcohol

Both directly harm oral health and fetal development; this is one of the more unambiguous, non-nuanced recommendations in this entire guide.

When to Stop Waiting and Get Help Right Away

Most nights, the steps above will get you through until your appointment. But listen to your gut (and your body) if any of these show up — this isn’t the time to tough it out:

Pain that’s severe and just won’t let up
Swelling in your face, jaw, or gums
Fever or chills
Trouble breathing or swallowing
Pus, or a foul taste that won’t go away

Frequently Asked Questions About Toothaches During Pregnancy:

Is it actually safe to get dental X-rays while pregnant?

Yes — both the ADA and ACOG state dental radiographs are safe at any stage of pregnancy when appropriate shielding (a lead apron) is used, which is standard practice in dental offices regardless of pregnancy status.

Does treating gum disease during pregnancy actually prevent preterm birth?

This is genuinely unresolved — while an association between periodontal disease and preterm birth exists across multiple studies, ACOG specifically notes that treatment trials have not consistently shown improved birth outcomes, including one major U.S. trial finding no benefit. Treatment remains clearly recommended for oral health itself and carries no documented risk to mother or baby — it’s just not proven to prevent preterm birth specifically.

Which trimester is safest for dental treatment?

Care is considered safe throughout pregnancy, but elective and non-emergency procedures are generally best scheduled for the second trimester, since the first trimester coincides with the most sensitive window of fetal organ development and the third trimester can simply be less physically comfortable for extended appointments.

Can I take ibuprofen for tooth pain while pregnant?

Generally no — NSAIDs like ibuprofen are typically avoided during pregnancy, particularly after around 20 weeks, due to documented risks to fetal kidney function and premature closure of a fetal blood vessel. Acetaminophen is the more commonly recommended OTC option, always in consultation with your OB.

How common is pregnancy gingivitis, really?

Very common — ACOG cites roughly 40% of pregnant women experiencing some form of periodontal disease, with other guidance placing pregnancy gingivitis specifically above 30% — this is a mainstream pregnancy experience, not a rare complication.

Is it true that the baby “takes calcium” from the mother’s teeth?

This is a persistent myth more than a clinical reality — fetal skeletal calcium needs are primarily met through increased maternal calcium absorption efficiency during pregnancy, not by depleting calcium from existing tooth structure, which isn’t a significant calcium reservoir the body draws from the way bone can be.

Should I avoid dental care altogether until after I give birth?

No — this is explicitly the wrong approach according to both ACOG and ADA guidance, which frame delaying necessary care as the greater risk, since untreated dental problems progress over time and can ultimately require more invasive treatment than if addressed promptly.

Is local anesthesia (numbing injections) safe for dental work during pregnancy?

Yes — the ADA specifically states local anesthetics are safe at any stage of pregnancy, and using appropriate pain control during a necessary dental procedure is preferable to avoiding treatment or attempting a procedure without adequate numbing.

I’ve heard acetaminophen might be linked to autism — is it still safe to use during pregnancy?

This is a genuinely active, contested question. The FDA initiated a label change in September 2025 citing a possible association, but ACOG, the American Academy of Pediatrics, and international regulators in the UK and EU have all stated current evidence doesn’t support a causal link, and the most rigorous available studies (which controlled for genetic and family factors) haven’t found one. Acetaminophen remains the recommended first-line OTC option in pregnancy at this time, but it’s a reasonable and current topic to discuss directly with your OB, and using the lowest effective dose for the shortest necessary time is sensible regardless.

Bottom Line

Your gums feeling more sensitive, your teeth aching a little more than usual, cravings sending you toward things that aren’t great for your enamel — none of this is you doing pregnancy wrong. It’s just what pregnancy does to a body, and the reassuring, guideline-backed truth is that treating it — fillings, root canals, X-rays with shielding, local anesthesia — is safe at any stage. The link between gum disease and preterm birth is real as a pattern researchers have noticed, but genuinely less settled than a lot of pregnancy content makes it sound when it comes to whether treatment changes that outcome — so take care of your gums for your own comfort and health, which is reason enough. If there’s one thing to walk away with: don’t let pregnancy be the reason you put off the dentist. That delay is the actual risk here, not the appointment.

References

“Oral Health Care During Pregnancy and Through the Lifespan.” American College of Obstetricians and Gynecologists (ACOG) Committee Opinion — https://www.acog.org/clinical/clinical-guidance/committee-opinion/articles/2013/08/oral-health-care-during-pregnancy-and-through-the-lifespan
“Oral Health During Pregnancy.” American Family Physician (AFP) — https://www.aafp.org/afp/2008/0415/p1139

“Pregnancy.” American Dental Association (ADA) Oral Health Topics — https://www.ada.org/resources/ada-library/oral-health-topics/pregnancy
“The Impact of Periodontal Disease on Preterm Birth and Preeclampsia.” PMC — https://pmc.ncbi.nlm.nih.gov/articles/PMC11051368/
“The association between oral risk assessment and obstetric and newborn outcomes.” Pregnancy (Wiley) — https://obgyn.onlinelibrary.wiley.com/doi/full/10.1002/pmf2.70114

“Expert consensus on the treatment of oral diseases in pregnant women and infants.” International Journal of Oral Science (Nature) — https://www.nature.com/articles/s41368-025-00395-3
“Oral Health Care during Pregnancy and Early Childhood Practice Guidelines.” New York State Department of Health — https://www.health.ny.gov/publications/0824/pda/windows_mobile/0824.pdf
“Acetaminophen Use in Pregnancy and Neurodevelopmental Outcomes.” ACOG Practice Advisory, September 2025 — https://www.acog.org/clinical/clinical-guidance/practice-advisory/articles/2025/09/acetaminophen-use-in-pregnancy-and-neurodevelopmental-outcomes

“Paracetamol (acetaminophen) use during pregnancy and autism risk: evidence does not support causal association.” International Journal of Gynecology & Obstetrics (FIGO) — https://www.figo.org/paracetamol-acetaminophen-use-during-pregnancy-and-autism-risk-evidence-does-not-support-causal

This article summarizes findings from ACOG and ADA guidance and published clinical research; it is not a substitute for personalized advice from your dentist and obstetric care provider, who should coordinate on any treatment decisions during pregnancy.