Are Cold Sores and Fever Blisters Caused by Colds?
Cold soresalso known as fever blistersare notcausedby thecommon coldbut they are related. They are resulting from a different throw in of virus known asherpes. However, it is possible for either virus to cause sores in either area. belchonock / Getty Images Not everyone will experience symptoms though. Then, the small blisters that are filled with fluid form somewhere around the edge of your lips. They may also appear around the nose or cheeks....