Yes: Typically cold sores start out as vesicles (clear pimple) and burst into a ulcer. A white headed pimple is a localized infection resulting in a build up of puss.. In rare occasions , an ulcer can be secondarily infected with bacteria resulting in a white headed abscess.
Answered 10/4/2016
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Yes: Cold sores around the lip can have white heads.
Answered 12/21/2019
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