Effective Home Remedies: 10 Ways to Treat Canker Sores

3. Warm Salt Water

If your canker sores are painful and bulging, gargling with salt water will help you immensely. The deal is that sometimes osmosis may take place in your body, a process where you have more salt outside your cells than inside. Then the water that is drawn from those cells to keep the balance of salt concentration helps you with remove canker sores. Gargling warm salt water can also assist you with sore throats, due to the salt keeping your throat clean while warm water relieves the stress in your throat. For canker sores, it's recommended to put half a tablespoon of salt in a glass of water, then stir it and swish it around in your mouth multiple times a day.