One good thing about garlic is that you can up your intake without having to worry if your body is going to get used to it or build up a resistance. Sulfur is found in high quantities in garlic â which makes it a good detox food and its antibiotic properties heal your body.
Tea Bag: As per the Doctors Book of Home Remedies, canker sores can be treated with a black tea bag that is wet with warm water. The tea contains a compound named tannin, which helps in relieving pain and inflammation.
If your canker sore is painful, here are some tips to try: 1  Stay away from spicy foods, acidic foods, and hot foods and beverages to avoid irritating the mouth. 2  Avoid eating food like rough crackers or chips that can scrape your mouth ulcer or mouth tissue.  Hold an ice cube to the canker sore to get pain relief.