Into or out? This is the first question to ask when you try to find out if you have ulcer sores or cold sores. If it is in your mouth, it is likely to be aphthous; outside, it may be a cold sore.
The company is located in:
The two look similar, but the similarity is that both are connected to the mouth, causing pain and discomfort. So knowing which one you have is the first step in understanding how it came about and how to deal with it.