Hi. I have an abscess that became infected in my lower right side,tooth before molar. Friday Moe ing I awoke to whole lower jaw swollen n numb. I have no insurnace n money is tight. Doctors give unbiased, trusted information on whether Amoxicillin can cause or treat Toothache: Dr. POMERANCE on how long til amoxicillin starts to work on tooth infection: What type of tooth infection? Like many other conditions, antibiotics serve as a supplement to surgical intervention. A dental abscess may need drainage or extraction. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. Hi Jamie, I currently have an abcess and that is exactly what I'm taking, so yes it does. Good Luck, I hope your tooth gets better that can be a very dangerous situation. Yes. Amoxicillin is used to treat infections. For most infections in adults, the dosing regimens for Amoxicillin are 250 mg every 8 hours, 500 mg every 8 hours, 500 mg every 12 hours, or 875 mg. Take over-the-counter pain relievers to manage pain and fever. Medications such as acetaminophen (Tylenol,) naproxen (Aleve,) ibuprofen (Advil or Motrin) can help relieve your tooth pain while you wait for your appointment. Many people find that the tooth extraction healing process is much more dreadful than the actual tooth pulling itself. There will be quite a lot of pain and discomfort, plus some odd sensations as your mouth gets accustomed to the loss. Healing Tooth Abscess Summary. A dental infection is not a cruel act of nature, but usually the result of the wrong way of living. Herbs, and natural foods used correctly will usually result in complete healing of a tooth abscess. I recently had a wisdom tooth extraction and was prescribed Clindamycin to prevent the extraction area from becoming infected. I was prescribed this medication on . Thorough, personalized responses from Doctors: Dr. Blair provides insights into tooth infections, and how long swelling should take to go down.