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.
1 Avoid spicy or acidic foods, which can irritate sores further. 2  Peppers and sodas should be shunned. 3  Fruits and vegetables such as lemons, oranges, pineapples, apples, figs, tomatoes, and strawberries may also cause canker sores. 4  Get more B12, zinc, iron, and folic acid. Empty the cap and rinse it with water. 2  Take care not to swallow any of the hydrogen peroxide if possible. 3  Hydrogen peroxide is an antiseptic that will reduce the amount of bacteria in your mouth and help the canker sore heal. 4  The canker sore should go away in about 2-3 days if you do it twice a day.