What Antibiotics are Effective in Treating Tooth Infections


An abscessed tooth is a tooth infection that causes pus to build up in the mouth. This can be caused by a bacterial infection. It is usually caused by:

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  • tooth decay
  • injuries
  • previous dental work
  • Tooth infections can lead to:
  • Pain
  • Sensitivity
  • Swelling
  • If left untreated they can spread to other areas including your brain.

To prevent infection spreading, you should see a dentist immediately if you have a toothache. Because it is so close to your brain, you need to be cautious with any infection in the head. Most likely, your dentist will prescribe antibiotics to kill the bacteria that caused your tooth infection.

  • What antibiotics are best for a toothache?

Some tooth infections do not require antibiotics. Your dentist might be able drain the abscess in some cases. Others might need a root canal to remove the infected tooth.

  • Your infection is serious
  • Your infection has spread
  • You have a weak immune system

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The type of bacteria that is causing the infection will determine the type of antibiotic you need. Different antibiotics work differently on bacteria. Your dentist will recommend an antibiotic that is effective in eliminating your infection.

Most commonly, antibiotics of the penicillin group, such as penicillin or amoxicillin are used to treat tooth infections.

Metronidazole is an antibiotic that may be used to treat certain types of bacterial infections. Sometimes, it is combined with penicillin to treat a wider range of bacterial species.

Penicillin antibiotics are commonly used to treat tooth infections. However, penicillin is often allergic to many people. Tell your dentist about any allergies you have had to penicillin antibiotics in the past.

Your dentist may prescribe erythromycin or clindamycin if you are allergic to penicillin.

What should I take? How long?

You will need to take antibiotics for a tooth infection. This can last up to a week. You will need to take the antibiotics two to four times daily, depending on which type.

Your pharmacy should give you instructions on how to use the antibiotic. If you are unsure about how to use an antibiotic, ask your pharmacist.

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You might need to take several courses of antibiotics to get the infection under control.

Even if you feel your symptoms are disappearing, it is important to continue taking the full course of antibiotics as prescribed by your dentist. You may not be able to finish the whole course of antibiotics. This could lead to bacteria that survives, making it more difficult to treat.

Do you have any other remedies than those found in the store?

If you have a toothache, it is important to see your dentist immediately. Teeth are extremely close to your brain, so a tooth infection could quickly spread to other areas or organs.

Although antibiotics can’t be purchased without a prescription for certain conditions, there are some things you can do at your home to relieve symptoms before your appointment.

Using over-the-counter pain reliefs such as ibuprofen (Advil or Motrin), or acetaminophen(Tylenol), is a good idea.

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  • Warm salt water can be used to gently rinse your mouth.
  • Avoid eating hot or cold foods whenever you can
  • Try to chew on the other side of your mouth
  • Brush the affected tooth with a soft toothbrush
  • These are 10 home remedies to treat an abscessed or damaged tooth.