Toothache: First aid (original) (raw)

Overview

Tooth decay is the most common cause of toothaches for most children and adults. Bacteria that live in your mouth thrive on the sugars and starches in the food you eat. These bacteria form a sticky plaque that clings to the surface of your teeth.

Acids produced by the bacteria in plaque can eat through the hard, white coating on the outside of your teeth known as enamel. This creates an area of decay called a cavity. The first sign of decay may be pain when you eat something sweet, very cold or very hot. Sometimes decay will show as a brown or white spot on the tooth.

Other causes of a toothache can include:

A toothache often needs some sort of treatment by your dentist.

Treatment

Self-care tips

Until you can see your dentist, try these self-care tips for a toothache:

Use caution with products containing benzocaine

Previous advice included putting a small amount of a nonprescription pain reliever containing benzocaine directly to the irritated tooth and gum for temporary relief. But benzocaine has been linked to a rare and serious, sometimes deadly, condition called methemoglobinemia (met-hee-muh-GLO-buh-nee-mee-uh). This condition lowers the amount of oxygen that the blood can carry. So follow these guidelines:

When to call your doctor

Call your dentist or other doctor right away if you have any of the following with a toothache:

If you have trouble breathing or swallowing, go to the emergency department at a hospital.

From Mayo Clinic to your inbox

Sign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. Click here for an email preview.

To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and website usage information with other information we have about you. If you are a Mayo Clinic patient, this could include protected health information. If we combine this information with your protected health information, we will treat all of that information as protected health information and will only use or disclose that information as set forth in our notice of privacy practices. You may opt-out of email communications at any time by clicking on the unsubscribe link in the e-mail.

June 07, 2024

  1. Toothache and infection. Merck Manual Professional Version. https://www.merckmanuals.com/professional/dental-disorders/symptoms-of-dental-and-oral-disorders/toothache-and-infection?query=Toothache. Accessed Jan. 12, 2024.
  2. Mark AM, et al. Dealing with tooth pain. Journal of the American Dental Association. 2019; doi:10.1016/j.adaj.2019.07.001.
  3. Tooth pain. American Association of Endodontists. https://www.aae.org/patients/dental-symptoms/tooth-pain/. Accessed Jan. 12, 2024.
  4. Risk of serious and potentially fatal blood disorder prompts FDA action on oral over-the-counter benzocaine products used for teething and mouth pain and prescription local anesthetics. U.S. Food and Drug Administration. https://www.fda.gov/drugs/drug-safety-and-availability/risk-serious-and-potentially-fatal-blood-disorder-prompts-fda-action-oral-over-counter-benzocaine. Accessed Jan. 12, 2024.
  5. Carrasco-Labra A, et al. Evidence-based clinical practice guideline for the pharmacologic management of acute dental pain in children. Journal of the American Dental Association. 2023; doi:10.1016/j.adaj.2023.06.014.
  6. Roberts JR, et al., eds. Emergency dental procedures. In: Roberts and Hedges' Clinical Procedures in Emergency Medicine and Acute Care. https://www.clinicalkey.org. Accessed Jan. 12, 2024.
  7. Safely soothing teething pain and sensory needs in babies and older children. U.S. Food and Drug Administration. https://www.fda.gov/consumers/consumer-updates/safely-soothing-teething-pain-and-sensory-needs-babies-and-older-children. Accessed Jan. 12, 2024.
  8. Periodontal (gum) disease. National Institute of Dental and Craniofacial Research. https://www.nidcr.nih.gov/health-info/gum-disease. Accessed Jan. 12, 2024.
  9. Zhou C (expert opinion). Mayo Clinic. Feb. 20, 2024.

.