A tooth abscess won’t heal by itself; it needs dental care to remove the source and stop the spread.
When a tooth starts throbbing, your jaw feels tender, and chewing turns into a chore, it’s easy to hope it’ll “settle down.” With an abscessed tooth, that hope can cost you time, comfort, and sometimes the tooth itself.
An abscess is a pocket of pus created by a bacterial infection. That pocket forms because something let bacteria get where they shouldn’t be: deep decay, a crack, gum disease, or trauma. The pressure builds, pain flares, and the infection can keep moving if the source stays in place.
This guide walks through what an abscess is, what “going away” can look like (and why that can fool people), warning signs that mean don’t wait, and what dentists do to fix the problem. You’ll also get practical steps for getting through the next hours or days without making things worse.
What An Abscessed Tooth Really Is
Think of your tooth as layers. The outside enamel is hard. Under it sits dentin. At the center is the pulp, where the nerve and blood supply live. If bacteria reach the pulp, the body reacts with inflammation. When that infection pushes beyond the tooth’s root tip or spreads into gum tissue, an abscess can form.
There are two common patterns:
- Periapical abscess: starts inside the tooth (often after deep decay or a crack) and collects near the root tip.
- Periodontal abscess: starts in the gums (often tied to gum disease) and collects in the tissue alongside the tooth.
Either way, the same issue drives it: a trapped infection with pressure, swelling, and bacteria that can travel. The American Dental Association’s overview of dental abscesses notes that these infections need treatment, not waiting.
Abscessed Tooth Going Away On Its Own: What Happens Next
People ask this question because symptoms can change. Pain can spike, then ease. Swelling can look smaller in the morning, then puff up by evening. Sometimes a bad taste shows up and the pressure drops. That can feel like the problem “cleared.”
Here’s the catch: symptom relief is not the same as healing. A few common scenarios can make it seem like it’s resolving:
When Pressure Drops After Drainage
An abscess can drain through the gum or into the mouth. The pocket loses pressure, so pain can ease fast. You might notice a pimple-like bump on the gum, a salty or foul taste, or fluid release. The infection source is still there, so the pocket can refill.
When The Nerve Stops Sending Strong Signals
If infection damages the pulp enough, the tooth may become less sensitive. That can feel like relief, but it can also mean the nerve is dying. The infection can keep spreading through bone and soft tissue even while the tooth feels “quiet.”
When Painkillers Mask The Pattern
Over-the-counter pain meds can dial symptoms down. They don’t remove bacteria from the root canal system or the gum pocket. Once the medication wears off, the pain often returns.
Health services that write patient guidance are blunt about this. The NHS page on dental abscess states it won’t go away on its own and needs urgent dental treatment.
Signs You Might Be Dealing With A Tooth Abscess
Abscess symptoms vary because the location varies. Some people get severe pain. Others mainly notice swelling. A few get a strange taste and mild soreness, then a sudden flare later.
Common Local Symptoms
- Throbbing tooth pain that can radiate to the jaw, ear, or neck
- Pain when biting or chewing
- Swollen gums, a tender lump, or a “pimple” on the gum
- Hot/cold sensitivity
- Bad breath or a bad taste
- Facial swelling on one side
System-Wide Symptoms That Mean Don’t Wait
If bacteria move beyond the tooth and nearby tissue, you can start seeing whole-body signs. A fever, chills, or feeling weak should raise urgency. Trouble swallowing, trouble breathing, or a rapidly expanding swelling in the face or neck is an emergency.
Mayo Clinic notes that leaving a tooth abscess untreated can lead to serious complications. Their symptom-and-cause overview is here: Tooth abscess symptoms and causes.
Why Waiting Is Risky Even If Pain Fades
The mouth has a rich blood supply and lots of tissue planes that can carry infection. That’s good for healing after dental work, but it also means bacteria can spread fast once they get a pathway.
Possible outcomes of delaying care include:
- Worsening bone loss around the tooth root, which can make saving the tooth harder
- Cellulitis (a spreading soft tissue infection) that can swell the face and jaw
- Sinus involvement for upper teeth, where infection can irritate nearby spaces
- Deep neck space infection in severe cases, which can affect swallowing or breathing
- Sepsis in rare cases, where infection triggers a dangerous whole-body response
Sepsis is not “just a bad infection.” It’s a medical emergency. If someone with a suspected dental infection develops confusion, fast breathing, severe weakness, or worsening fever, that’s a red flag. The CDC lists warning signs on its page about sepsis signs and symptoms.
Most abscesses don’t progress to that point, but the reason dentists push urgency is simple: you can’t predict who will worsen quickly. If the infection is spreading, time matters.
What Dentists Do To Treat An Abscessed Tooth
Dentists treat the source first. Draining alone may lower pressure, but it doesn’t solve why the abscess formed. The plan depends on where the infection sits and whether the tooth can be saved.
Step 1: Exam And Imaging
A dentist will check the tooth, gums, bite, and swelling pattern. X-rays are common to see bone changes and the size and location of the infection. You may also be asked about fever, drainage, and how fast symptoms changed.
Step 2: Getting The Pus Out When Needed
If there’s a clear pocket that needs drainage, the dentist may open the area to release it. This can bring fast pain relief because it reduces pressure. It’s often paired with treatment that clears the source.
Step 3: Removing The Source
This is the part that stops the cycle. Options include:
- Root canal treatment when the infection starts inside the tooth and the tooth structure is worth saving
- Periodontal treatment when the infection is tied to a deep gum pocket
- Extraction when the tooth can’t be saved or the infection is severe and the tooth is the ongoing trigger
Step 4: Antibiotics Only When They Fit The Situation
People often expect antibiotics as the main fix. They can help when infection is spreading, there’s fever, or drainage isn’t enough. Still, antibiotics don’t remove dead tissue inside a tooth or fix a crack that keeps letting bacteria in. A dentist decides when they make sense and which one fits your health history.
Mayo Clinic’s treatment page outlines common approaches like drainage, root canal treatment, and extraction: Tooth abscess diagnosis and treatment.
What You Can Do Right Now While You Arrange Care
You can’t home-treat an abscess away, but you can lower misery and avoid making the infection angrier. Focus on comfort and safety.
Safer At-Home Steps
- Rinse gently with warm salt water a few times a day. Don’t swish hard.
- Use OTC pain relief as directed on the label, unless a clinician has told you not to take it.
- Use a cold compress on the outside of the cheek for swelling and pain.
- Keep the area clean with gentle brushing and flossing around the tooth if you can tolerate it.
- Choose softer foods and chew on the other side.
Things That Can Backfire
- Don’t apply heat to the face. Heat can increase swelling in some infections.
- Don’t try to pop or cut the gum bump. That can push bacteria deeper or create new tissue injury.
- Don’t place aspirin on the gum or tooth. It can burn oral tissue.
- Don’t rely on leftover antibiotics. Wrong drug, wrong dose, and incomplete courses can create more problems.
If you have trouble breathing, trouble swallowing, swelling under the jaw that’s spreading, or a fever with worsening symptoms, treat that as urgent and seek emergency care.
How To Tell If It’s Improving Or Just Hiding
People often judge improvement by pain alone. With a dental abscess, that’s not a safe scorecard. A better way is to track a few markers over the next day or two:
- Swelling size: Is it shrinking steadily, or does it balloon at night?
- Function: Is chewing getting easier, or are you avoiding that side more?
- Drainage: Did you get one release, or does it keep oozing and tasting foul?
- Fever and chills: Any new fever, chills, or weakness raises urgency.
- Jaw movement: If opening your mouth gets harder, don’t wait.
Even if pain drops after drainage, the source still needs treatment. If you delay, you can end up back at square one with a bigger swelling and fewer easy options.
Can An Abscessed Tooth Go Away On Its Own?
No. Symptoms can fade or fluctuate, and the abscess can drain, but the infection source remains until a dentist removes it. Once the source is gone, healing can actually start.
Table: Abscess Clues, What They Often Mean, What To Do Next
| What You Notice | What It Can Point To | Best Next Step |
|---|---|---|
| Throbbing pain that wakes you up | Pressure and inflammation near the tooth’s nerve or root | Book urgent dental visit; use OTC pain relief per label |
| Pimple-like bump on the gum | Draining pathway (fistula) from an abscess | Still see a dentist; drainage doesn’t remove the cause |
| Bad taste with sudden pressure release | Abscess drainage into the mouth | Rinse gently; arrange dental treatment quickly |
| Facial swelling on one side | Infection spreading through soft tissue | Same-day dental care; urgent care if swelling spreads fast |
| Fever, chills, feeling weak | System involvement from infection | Urgent evaluation; don’t wait it out |
| Trouble swallowing or breathing | Possible deep tissue spread near airway | Emergency care now |
| Pain stops but tooth feels “dead” | Nerve damage or pulp death with infection still present | Dental exam soon; X-ray to assess spread |
| Pain when biting, tooth feels “taller” | Inflammation around the root tip | Dental visit; avoid chewing on that side |
What Treatment Feels Like And How Fast You’ll Notice Relief
One reason people delay care is fear of what comes next. The reality is that the worst pain often comes from the pressure of infection, not the treatment. Once the dentist drains the abscess or opens the tooth for cleaning, many people feel relief quickly.
After Drainage Or Opening The Tooth
Pain often eases within hours because pressure drops. Some tenderness can linger for a couple of days, especially when biting. The dentist may advise a soft-food plan for a short stretch.
After A Root Canal
A root canal removes infected or dead pulp, cleans the canal space, and seals it. You may feel sore when chewing for a few days. If the tooth has a large filling or crack risk, the dentist may talk about a crown later to protect it.
After Extraction
If the tooth is removed, the infected tooth is no longer the driver. That can bring fast relief. You’ll still need aftercare for the socket, and you may discuss replacement options later if you want to restore function and spacing.
Where Antibiotics Fit
If you’re given antibiotics, you might feel better before the course is done. Finish the course exactly as prescribed unless the prescriber tells you to stop. Stopping early can let bacteria rebound.
Table: Common Dental Abscess Treatments And Why Dentists Pick Them
| Treatment | When It’s Used | What It Solves |
|---|---|---|
| Drainage | Swelling/pus pocket needs pressure release | Reduces pressure and pain; buys time while the source is treated |
| Root canal treatment | Tooth can be saved and infection starts inside the tooth | Removes infected pulp and seals the tooth to stop recurrence |
| Gum pocket cleaning | Abscess tied to gum disease and deep pocket | Removes trapped debris and bacteria from the pocket |
| Extraction | Tooth can’t be saved or keeps re-infecting | Removes the main infection source when restoration isn’t realistic |
| Antibiotics | Spreading infection, fever, or high risk case | Helps control bacterial load while dental treatment fixes the source |
| Follow-up restoration (crown/filling) | After infection control when structure is weakened | Protects the tooth and lowers the chance of cracks and re-entry of bacteria |
How To Lower The Odds Of Another Abscess
Abscesses usually start with an opening: decay that reaches the nerve, a crack, or gum disease that creates deep pockets. Prevention is mostly about closing those doors early.
Habits That Help
- Brush twice a day with fluoride toothpaste and clean between teeth daily.
- Don’t ignore a chipped tooth or lost filling. Small breaks turn into bacterial entry points.
- Get routine dental exams so early decay and gum disease get treated before they reach deeper tissue.
- If you grind your teeth, ask about a night guard. Cracks often start with repeated pressure.
When To Get Checked Even Without Pain
Some abscesses develop slowly. If you notice a gum bump that comes and goes, a tooth that feels tender when you tap it, or swelling that flares after chewing, get it checked. Catching it early can mean a simpler plan and a better chance of saving the tooth.
References & Sources
- American Dental Association (ADA).“Abscess.”Explains what a dental abscess is and why it needs professional treatment.
- NHS (UK).“Dental abscess.”States a dental abscess won’t go away on its own and outlines urgent-care signals and treatment.
- Mayo Clinic.“Tooth abscess – Symptoms & causes.”Lists symptoms, causes, and risks of leaving a tooth abscess untreated.
- Centers for Disease Control and Prevention (CDC).“Sepsis Signs and Symptoms.”Provides warning signs of sepsis to help readers recognize when infection may be becoming an emergency.
