What to know about antibiotics and tooth infections

A tooth infection, or an abscessed tooth, generally occurs as a result of tooth decay and poor oral hygiene. However, it can also develop due to previous dental work or traumatic injury.

When an infection occurs, it causes a pocket of pus to form in the mouth as a result of an overgrowth of bacteria. This infection often causes swelling, pain, and sensitivity in the area. Without treatment, the infection may spread to other areas of the jaw or even the brain.

Dental decay and cavities are very common. As one article notes, up to 91% of adults ages 20–64 have cavities. Also, around 27% of people in the same age group have untreated tooth decay. Treating tooth decay early is important to prevent complications such as tooth infections.

Anyone who experiences a tooth infection should see a dentist right away to prevent the infection from spreading.

One of the first things a dentist will likely recommend is an antibiotic to kill the infection. Some antibiotics work better than others for tooth infections, and there may also be some over-the-counter (OTC) pain medications to help with the symptoms.

When to use antibiotics for a tooth infection

Dentists will typically only recommend antibiotics in dentistry for tooth infections. However, not all infected teeth require antibiotics.

In some cases, a dentist may simply be able to drain the infected area, remove the infected tooth, or perform a root canal to fix the issue.

They tend to avoid recommending antibiotics unless they are absolutely necessary, such as when the infection is severe or spreading, or if a person has a weakened immune system.

How long do they take to work?

How long each antibiotic takes to work varies depending on many factors, such as the severity of the infection and how effectively the drug eliminates the infectious bacteria.

It is important for people to complete a full round of antibiotics, taking all of the prescribed medication exactly how the dentist says to take it. Although a person may begin to notice their symptoms go away after a couple of doses, completing the full round of antibiotics helps prevent the infection from coming back or getting stronger.

As the International Dental Journal study notes, the majority of acute infections resolve in 3–7 days.

Side effects

Although antibiotics can help clear up an infection to prepare a person for dental work, these drugs do have some possible side effects.

The side effects can vary with each type of drug. It is important to discuss any possible side effects from taking a drug with a doctor before moving forward with that particular treatment.

Written by:
Emma Churchill
Year:
2018
Category:
Factcheck, Health

Leave a Reply

Your email address will not be published. Required fields are marked *

Posted on Google Google
Yubraj Regmi profile picture
Yubraj Regmi
September 2, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
One of the best dental clinics. Polite employees ani doctors ni professional. Maile Mero mamu Kai check up ko lagi lageko thye discount ni dinu bhayo. Thank you 😊
Posted on Google Google
Pasha profile picture
Pasha
September 1, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Dr. Shivani Pradhan do perfect crowns for me. I have very nice experience to do treatment in this DentaLife Oral Concern dental clinic. Everything is very clean, clear, quick and super professional. Also good for foreigners. For me big surprise how high technology dental treatment in Nepal right now in this clinic
Posted on Google Google
Dinesh Bhusal profile picture
Dinesh Bhusal
August 11, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I had my clear braces treatment here, which took around 3 years to complete. Dr. Ujjwal Pyakurel looked after my treatment throughout and was very professional, patient, and attentive. Dr. Sama Pradhan was also very good and supportive during my visits. Overall, I’m happy with the treatment and the experience. The process was long, but the doctors were approachable and made sure everything was progressing properly. Would definitely recommend the clinic to anyone considering orthodontic treatment.
Posted on Google Google
Aditya Shakya profile picture
Aditya Shakya
July 29, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
went for a re rct with Dr Sama Mam. Pain was minimal because of their professional care. They take time for gums to heal or if it is too painful in a session. fully satisfied would recommend highly. charges can be bit pricy but worth it.
Posted on Google Google
Stuti profile picture
Stuti
July 15, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Got my tooth fillings done and the entire procedure went so smoothly and I could tell I was in great hands. Their dentists and staff members were very considerate and helpful. They take your wellbeing into great consideration as well. I would recommend them over anyone when it comes to treatments and aftercare. Also, the Dr with curly hair is a great dentist as she pays attention to every detail and is open to every question and curiosity. If you go here. I'd say you are in good? Great hands.
Posted on Google Google
Stuti Shiwakoti profile picture
Stuti Shiwakoti
July 15, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
The best doctors and staff members, when it comes to handling their patients and their health. they treat their patients well. when i went to get my molar checked because of how it got cracked, they treated it really well and I felt like I was in good hands(7 months after the treatment no issues whatsoever) and the same time I had my teeth cleaned, too as per the doc recommendation which was worth it. Ani the got my wisdom tooth related issue checked here, and had an irrigation thingy which oddly calmed the swelling down after 14 hours. 1st review ma I wanted to write it but, didnt want to make it longer so from this account. And everyone here is super helpful and kind. I'd would say coming here was the best decision I have made till date. And the reception ko ma'am is super sweet and helpful. Did I mentioned how the dental nurses are very patient with you too.. this clinic is worth visiting for your dental issues as they are really good.
Posted on Google Google
Lat Sharma profile picture
Lat Sharma
July 13, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Son chipped his tooth when playing. Dr. Sama Pradhan quickly diagnosed, walked me through my options, and helped me make an informed decision about the next steps. My son was comfortable through the whole process. I felt like we were in a highly professional and clean dental clinic. Highly recommended!
Posted on Google Google
Putain Parker profile picture
Putain Parker
June 19, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Fast and good for the price. Paid 3.2k for scaling. Took about 20 min
Posted on Google Google
Giri Gurung profile picture
Giri Gurung
June 18, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Had an excellent experience at this dental clinic for my deep scaling and wisdom tooth extraction. The staff were warm, welcoming, friendly, and clearly knowledgeable, and the doctor was thorough throughout both procedures. I really appreciated that the doctor didn't just treat me but also followed up on my progress afterward, which showed genuine care. They were also very punctual and handled everything quickly without ever feeling rushed. The clinic itself is spotless and very well maintained. Highly recommend, and I'm giving them a well-deserved 5 stars!
Verified by Trustindex
Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Copyright Ā© 2026 by DentaLife Oral Concern Pvt. Ltd. –  Dental Clinic in Kathmandu. +977-9843488192

Copyright Ā© 2025 by DentaLife Oral Concern Pvt. Ltd – Dental Clinic in Kathmandu. All rights reserved.
+977-9843488192