<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have had a root canal and a crown completed on a tooth . I am still having pain and a current infection. I have been referred to a specialist but the specialist cannot see me for another two weeks. I was given an antibiotic of cephalexin 500 mg four days ago. When should my tooth begin to feel better? I have a bruise and swelling on the outside of my cheek from the infection.  <response>: HelloWelcome to Chat Doctor, I went through your history it suggests that your root canal treatment is not proper. This has led to infection which resulted in inflammation. You need to go for crown removal followed by Reject. Before that you go for proper investigation like to get an IOP AR done of associated tooth consult your dentist.Meanwhile, you start with few medicines for 5 days as prescribed:--Amoxy-clav650 mg combination-twice a day-Diclofenacparacetamolserratiopeptidase combination-thrice a day-Multivitamin capsule-once daily-Rabeprazole40 mg-once dailyif gastric problem persist Precautions to be taken:--Avoid hot compresses over swelling-Do cold compresses over swelling-Do warm saline rinses-3 to 4 times a day-Maintain proper oral hygiene by proper brushing regular use of mouthwash. Go for proper investigation as soon as possible. Take Care Regards Chat Doctor. 