| http://www.w3.org/ns/prov#value | - Hydrogen peroxide is an antiseptic that can kill those bacteria, Dr. Mao says. ???If the sore is already irritated, coat it with baking powder before bed, which helps it close up faster.??? Canker sores can also be a sign of celiac disease or gluten sensitivity, Dr. Mao notes, so consider being tested if you get them frequently or if you have symptoms such as abdominal pain.
|
