Small fluid-filled blisters typically erupt along the border of your lips. Sometimes they appear around the nose or cheeks or inside the mouth. Oozing and crusting. The small blisters may merge and then burst, leaving shallow open sores that ooze and crust over.

How do cold sores look at the start?

A cold sore usually starts with a tingling, itching or burning feeling. Small fluid-filled blisters appear. The blisters can appear anywhere on the face .Over the next 48 hours:SymptomsPossible causePainful red spot on the face filled with pusSpot or boilBlister on the inside of the lip or mouthMouth ulcer1 more row

Do cold sores appear in the same spot?

Cold sores tend to appear in the same place every time because the virus lives in the nerves that lead to that spot on the skin. At least half of all adults are infected with HSdV, which is easily spread from person to person. Once you are infected with HSV, you have the infection permanently.