Tooth pain is common, but timing matters. Some aches settle with basic care and a routine appointment. Others point to infection, injury, or pressure that should be assessed promptly. The practical question is not “does it hurt?” so much as “what else is happening, and how long has it been going on?”

What usually causes a toothache
Toothaches often start with a manageable issue, but several common causes can feel similar at first:
- Dental decay can expose sensitive inner layers of the tooth.
- Sensitivity may show up with cold, heat, sweets, or brushing.
- Cracked teeth can hurt when chewing or releasing a bite.
- Gum inflammation can make the area tender or sore.
- Infection can cause lingering pain, pressure, swelling, or a bad taste.
If you want a patient-friendly overview of these patterns, the NHS toothache guidance and Mayo Clinic’s first aid advice both frame toothache as a symptom that often needs a dentist’s evaluation rather than guesswork.
Red flags that mean you should contact a dentist soon
A reasonable rule is to call for an evaluation sooner rather than later if any of the following apply:
| Symptom | Why it matters |
|---|---|
| Pain lasting more than 2 days | Persistent pain suggests the problem is not settling on its own. |
| Pain not relieved by over-the-counter pain medicine | If basic pain relief is not helping, the cause may need dental treatment. |
| Pain when biting or chewing | That can happen with a cracked tooth, deep decay, or inflammation around the tooth. |
| Fever or a bad taste in the mouth | These can point toward infection. |
| Swollen cheek or jaw | Swelling is a sign the issue may be extending beyond simple irritation. |
The American Dental Association’s acute toothache guidance supports using nonopioid pain relief as temporary management when definitive care is not immediately available. That is a bridge, not a solution.
Emergency warning signs
Some symptoms move the situation out of the “schedule a visit soon” category and into “seek urgent medical help now.” Watch for:
- Swelling near the eye or neck
- Trouble breathing
- Trouble swallowing
- Trouble speaking
Those signs can indicate a spreading infection or airway risk. The simplest rule is to treat them as an emergency rather than trying to wait it out.
What to do while waiting for care
While you are arranging treatment, keep the goal modest: reduce irritation and avoid making the problem worse.
- Rinse gently with warm salt water.
- Use a cold compress on the outside of the cheek in short intervals.
- Avoid chewing on the sore side.
- Follow label directions for over-the-counter pain relief unless a clinician has told you otherwise.
If you need general background on home care, Mayo Clinic’s toothache first aid page is a useful reference for the basics.
What not to do
- Do not ignore swelling.
- Do not place aspirin directly on the gum.
- Do not rely on antibiotics as a substitute for dental treatment.
Antibiotics are sometimes part of care, but they are not a default fix for tooth pain. The underlying problem still needs to be identified and treated.
When to call the office versus go to urgent care or the ER
Use this decision path as a practical filter:
- Call the dental office soon if pain lasts more than 2 days, is worsening, hurts when biting, or comes with fever, bad taste, or cheek/jaw swelling.
- Go to urgent care or the ER if swelling is spreading toward the eye or neck, or if breathing, swallowing, or speaking becomes difficult.
When you call, describe the timing, swelling, fever, and whether pain is tied to chewing. Those details help the team decide how quickly you should be seen.
How to reduce the odds of another toothache
Prevention is less dramatic than emergency care, which is usually a virtue in dentistry.
- Keep regular exams and cleanings.
- Treat cavities early, before they become painful.
- Ask about sensitivity or bite changes while they are still minor.
If you are due for preventive care, you can start at the home page, review the practice background, or browse the blog for more patient guidance. Patients comparing elective options sometimes also review 1-Hour Teeth Whitening as part of a broader preventive and cosmetic conversation.
Bottom line
Most toothaches are not medical mysteries. They are decision problems: watch, call, or escalate. If the pain is lingering, worsening, paired with swelling, or showing any emergency warning sign, the safest reasonable default is to contact a dentist promptly and describe the symptoms clearly.
For evaluation and next-step guidance, contact the office. The aim is simple: find the cause early enough to treat it before the problem gets louder.