5 Warning Signs You May Have an Infection after a Root Canal

Jan 30, 2022 | Blog, Root Canal

While the root canal procedure is safe, there’s a chance of getting an infection after the treatment. Although it is rare, patients can get a mild to serious infection after a root canal procedure. But if you are aware of the symptoms of infection early on, you can ensure the infection doesn’t spread and treat it before it worsens.

In this blog, we will address five warning signs of infection after a root canal. And by the end, you will be aware of the symptoms and in a better position to take appropriate and timely measures to fight back.

5 Things to Lookout after a Root Canal Treatment

1. Persistent pimple on the gums

Before a root canal treatment, patients often have an abscess or pimple on their gums near the tooth. This pimple releases fluid or pus but will get smaller and eventually disappear after the treatment. If the pimple on the gums remains more than 7-10 days after the procedure, then you may have an infection or a gum disease. If this is the case for you, you should contact your dentist or periodontist right away.

2. Burning sensation around the tooth and gums

An infected area can feel warm or hot. If the area near your tooth and gums feel hot or you experience a burning sensation in that area, inform your endodontist or dentist immediately. This is because an oral infection can sometimes mimic the sensation of a burning mouth.

3. Increased feeling of tiredness

While feeling a bit tired following a root canal procedure is normal, persistent lethargy after the treatment means something is wrong. Your energy levels should come back to normal within a few days. When you suffer from an oral infection, the blood vessels that transport the pathogens to different parts of your body will affect other organs. Thus, you feel worn out and tired.
If you remain tired after a week or feel increased tiredness, let your dentist know, as it can be a sign of an underlying oral infection.

4. Persistent pain

Feeling pain or soreness for the first few days after a root canal treatment is normal. But if the pain is persistent or worsens even after three days, know that it could be a sign of an infection. The infection spreads out of the root tip and affects your gums and bone. Therefore, you should consult a dental professional if you experience persistent pain following a root canal treatment.

5. Fever

Fever is a sign of infection and a common bodily response when your immune system detects a problematic microbe. If your temperature is over 99.5 °F after a root canal treatment and is coupled with other symptoms of an oral infection, contact your dentist as soon as possible.

Final Words

If you experience any of these symptoms after a root canal procedure, you should schedule an appointment with your dentist right away. The earlier you identify the signs and treat the infection, the smaller the risk of dental complications. Contact the dentist in Houston for more information. Give us a call at 281-866-0442 and schedule an appointment with Champions Dental for a professional consultation.

Dr. Esteban Garza, DDS, MAGD

Dr. Esteban Garza, DDS, MAGD

Dr. Esteban Garza, a Texas native with roots in the Rio Grande Valley, boasts a diverse educational and professional background. After completing his Biology degree at Texas A&M, he transitioned from teaching to dentistry, earning his DDS from Baylor College of Dentistry. Dr. Garza’s commitment to excellence for over 15 years, is evident through his extensive education in various dental specialities, culminating in prestigious accolades like the Fellowship Award in 2016 and the Mastership in the Academy of General Dentistry in 2020, achieved by less than 2% of dentists. 


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