If you have sores on a body, then such dream symbolizes the hard feelings you are keeping suppressed from others. Make sure you let them out and do not keep them in. Make sure you pay attention to the part of the body and where the sores where located as it would indicate the situation more clearly, as for example the sores that are located on the area of the chest, shows the worries you are having about something.
Sores dream meaning
Read more about dreaming of Sores in other dream meanings interpretations.