A tingling, irritating and a burning sensation surrounding the mouth usually mark the start of an outbreak of fever blisters. Small fluid-filled blisters then appear, most commonly on or around the corners of your lower lip. You can try some home remedies to avoid cold sores.Dip a piece of cotton roll in milk and place it on the cold sore to relieve pain. As and when the tingling starts try this remedy and prevent it from even developing.You can also apply ice pack over the area to avoid irritation.Replace your toothbrush.You can also apply petroleum jelly over the cold sore to prevent infection.
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