Cold/Canker Sores

Cold-Canker Sores- Health Teeth plus.-resizedCold cores are very common for many people and are characterized by small, red blisters on the lips. One common type is herpes simplex. This virus is very common and highly contagious. After the initial outbreak, these blisters can re-occur frequently and there is no cure. However, they tend to heal within 14 days on their own.

Over the counter treatments are available. These products typically contain docosonal or benzyl alcohol and are usually available as gels or creams.

Common over the counter medications are Abreva and Zilactin. For best results, apply products as soon as there is tingling on the lips. This usually indicates a cold sore is starting to develop.

Canker sores can be caused by a number of factors including: injury to the mouth, stress, unhealthy diet, certain medical conditions, come medications, and even nicotine gum.


  1. Salt water rinses: Mix 1 teaspoon salt to 1 cup of warm water. Swish the solution around the mouth and spit out.
  2. ½ teaspoon of baking soda mixed with a few drops of water until it makes a thick paste. You can use this paste to cover the canker sore.
  3. Hydrogen peroxide can be mixed 1 to 1 with water. This solution can be applied to the sore using a cotton swab.
  4. Milk of magnesia can aid in the healing process and reduce pain. Apply directly 3-4 times a day.
  5. In severe cases, oral medication can be prescribed by a physician or dentist.

To ease pain promote healing; avoid acidic foods when cankers and cold sores are present.