
Tooth pain is a common complaint; it can be incredibly uncomfortable when a tooth infection causes it. If your dentist prescribes antibiotics to treat a dental abscess or tooth infection, you may wonder how soon you can expect relief. While antibiotics can be highly effective in treating the underlying bacterial infection, it’s important to understand that the pain associated with the infection may not immediately subside.
In this blog, we will explore how antibiotics relieve tooth pain, how long it typically takes them to show results, and when to seek additional dental treatment if the pain persists.
How Do Antibiotics Help With Tooth Pain?
Tooth pain is often caused by bacterial infections, such as a tooth abscess, which occurs when bacteria invade the soft tissue inside a tooth or beneath the gums. The bacteria create an infection that can lead to swelling, pain, and potentially even a fever.
When dentists prescribe antibiotics for tooth infections, the primary goal is to treat the infection by eliminating the harmful bacteria. Common antibiotics for dental infections include penicillin, amoxicillin, and clindamycin. These medications target the bacteria causing the infection, preventing their growth and spread.
While antibiotics work to treat the underlying cause of tooth pain, they don’t always provide immediate relief. This is because antibiotics address the infection over time, while the pain may result from inflammation and pressure from the infection.
How Long Does It Take for Antibiotics to Work?

When prescribed antibiotics for tooth pain, you may wonder how long it will take for the medication to start working. Most people generally experience tooth pain relief within 24 to 48 hours after starting antibiotics. However, this timeline can vary depending on factors such as:
- The severity of the infection: A more severe tooth infection or a large tooth abscess may take longer to treat. The more widespread the infection, the longer it may take for the antibiotics to kill the bacteria and effectively reduce the pain.
- Type of antibiotic: Different antibiotics have varying strengths and may target different types of bacteria. Some antibiotics are faster-acting than others, but you may not experience relief until after the full course of treatment is completed.
- Individual health factors: Your overall health, including other health conditions or the use of certain medications, may affect how quickly you respond to antibiotics.
It’s important to note that antibiotics don’t immediately alleviate pain or reduce swelling. Their primary function is to kill the bacteria causing the infection, gradually reducing the infection and inflammation, leading to less pain over time.
Will Antibiotics Alone Stop the Tooth Pain?
While antibiotics can help address the infection, they may not be enough to resolve the pain caused by tooth abscesses or decay fully. In some cases, the infection may be so severe that additional dental treatments are required to relieve pain and promote healing.
Here’s why antibiotics alone might not stop tooth pain:
1. Abscessed Teeth
A tooth abscess occurs when bacteria infect the pulp (the soft tissue inside the tooth), causing it to swell. In some cases, the infection may spread to the surrounding bone and tissues, resulting in a collection of pus. While antibiotics can help treat bacterial infections, a dentist may need to drain the abscess to relieve pain.
If an abscess is causing severe tooth pain, your Coorparoo dentist at Complete Dental clinic may need to perform a root canal or tooth extraction in addition to antibiotic treatment. Treating the infection with antibiotics without removing the abscess or infected tissue will not stop the pain.
2. Inflammation and Swelling
Even after the bacterial infection clears up, inflammation around the extraction site or the infected tooth can persist. Swelling can pressure the surrounding nerves and tissues, contributing to continued pain. This type of discomfort may require dental pain management strategies such as over-the-counter pain relievers (e.g., ibuprofen or acetaminophen) to provide additional relief while the infection subsides.
3. Dental Treatment May Still Be Needed
In some cases, dental procedures such as a root canal, draining an abscess, or tooth extraction are necessary to remove infected tissue or the infected tooth itself. Antibiotics alone won’t resolve these issues, as dental treatment is often required to physically remove or repair the affected areas.
What to Expect When Taking Antibiotics for Tooth Pain
When your dentist prescribes antibiotics for a tooth infection, here’s what you can generally expect:
- First 24 to 48 hours: You should notice reduced swelling and pain within the first few days. The antibiotics work to eliminate the infection, and you may feel some improvement in tooth pain. However, full relief may not occur immediately, as the infection may still need healing time.
- 48 to 72 hours: If the infection responds well to the antibiotic treatment, you should notice a more significant improvement in tooth pain. The infection will start clearing up, and the pain should continue to subside.
- Full course of antibiotics: It’s essential to complete the course of antibiotic treatment as prescribed, even if you start feeling better. This ensures that all the bacteria are eliminated and prevents antibiotic resistance or a recurrence of the infection.
If tooth pain does not improve within 72 hours or worsens, it’s important to contact your dentist. This could indicate that the infection has not been fully treated or that a more serious dental issue is present.
Side Effects of Antibiotics

While antibiotics can be effective in treating tooth infections, they also carry potential side effects, which may include:
- Nausea and vomiting
- Diarrhea or an upset stomach
- Yeast infections, especially in the mouth or vaginal area
- Allergic reactions, such as rash, swelling, or difficulty breathing (in rare cases)
See medical attention immediately if you experience severe side effects or allergic reactions.
Conclusion
Antibiotics can be highly effective in treating tooth infections and alleviating tooth pain caused by tooth abscesses or bacterial infections. However, they do not always provide immediate relief. It typically takes 24 to 48 hours for antibiotics to start reducing pain, swelling, and infection. The full healing process may take a few days, and additional dental treatment may be required, such as root canals or tooth extraction.
If you do not experience relief from tooth pain after taking antibiotics, or if the pain worsens, contact your dentist. Your dentist may need further treatment to ensure the infection is completely cleared and the pain is fully addressed.
Lastly, follow the instructions of your dentist in Noosaville, QLD at The Smile Workx clinic carefully, finish your course of antibiotics, and avoid antibiotic resistance by not self-prescribing or overusing these medications.
References
https://www.medicalnewstoday.com/articles/325470
https://www.verywellhealth.com/antibiotics-for-tooth-infection-5220697#:~:text=You%20may%20experience%20an%20increase,your%20symptoms%20are%20fully%20resolved.
https://my.clevelandclinic.org/health/treatments/antibiotics-for-tooth-infections