No: This is probably nothing more than the healing process starting. It should get better daily. If things get worse, or if healing doesn't improve in a week, get it re examined!
Answered 9/2/2015
3.8k views
No cure needed: It should heal on its own within a week or two, if it is actually a canker sore.
Answered 2/20/2016
3.8k views
Time: The tissue is irritated. Give it time to heal. The redness and canker sore should be healed within two weeks.
Answered 8/23/2014
3.8k views
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