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Trench Mouth


Trench mouth is a severe infection of the gums caused by bacteria.



  • Antibiotics: This medicine will help fight an infection. Take your antibiotics until they are gone, even if you feel better sooner.
  • Pain medicine: You may be given medicine to take away or decrease pain. Do not wait until the pain is severe before you take your medicine. This medicine may be given as a pill or as a mouth rinse.
  • Take your medicine as directed. Contact your healthcare provider if you think your medicine is not helping or if you have side effects. Tell him of her if you are allergic to any medicine. Keep a list of the medicines, vitamins, and herbs you take. Include the amounts, and when and why you take them. Bring the list or the pill bottles to follow-up visits. Carry your medicine list with you in case of an emergency.

Mouth hygiene:

Brush and floss your teeth 2 times each day. Use an electric toothbrush if you can. Rinse your mouth 2 times each day. Rinse with warm salt water (½ teaspoon of salt in 1 cup of water) or other mouth rinse as directed.

Follow up with your dentist as directed:

Dental cleaning will help relieve your symptoms. You may need to see a dentist more than once. Write down your questions so you remember to ask them during your visits.

Contact your healthcare provider or dentist if:

  • Your fever comes back, even with treatment.
  • You have pus draining from your gums.
  • You have questions or concerns about your condition or care.

Return to the emergency department if:

  • You feel a loose tooth.
  • The tissue inside your cheek or throat is swollen and red.
  • You urinate less than usual. You may feel confused or lightheaded.

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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

Learn more about Trench Mouth (Aftercare Instructions)

Associated drugs

IBM Watson Micromedex

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.