Is it normal to have facial swelling 2 days after a root canal?

Yes and No: If you had a lot of infection from the tooth into the bone and tissues, then the swelling can take time to subside. Now if you did not have the swelling, this could be a reaction to the novocaine injections or residual from cleaning out the tooth for the root canal. Did the dentist complete the root canal or just do the first step? For your peace of mind, i would call the dental office.

It happens: Your question, is it normal. It is not normal but, it is a common complication of root canal therapy. You probably have an infection. You should go back to you dentist and let him/her evaluate you situation. You may need an antibiotic, or more treatment.

Depends: Sometimes when there is an ongoing infection and you have just started the root canal treatment and or antibiotic regimen, you may still swell up temporarily . You need to check back with your dentist to address the issue.

No: Regardless of what stage of treatment you are at, any level of swelling is not "normal". Whether you are not on antibiotics or not, it would be best to contact your treating dentist for specific professional advise with your condition.

Yes: Sometimes, it takes few days for the swelling to start. You will need to call your dentist in order to check for the reason. Most of the times, you will be need antibiotics inorder to fight the infection. Sometimes, it can be a fracture in the tooth. Call your dentist.