1 doctor weighed in:

Not sure if I have a cold sore or just a blister from popping my small lip pimple too hard. When popped hard whit puss came out now yellow blister?

1 doctor weighed in
Dr. Hunter Handsfield
Internal Medicine - Infectious Disease

In brief: Doubt herpes

Herpes lesions are unlikely to contain "hard white pus".
Probably it was just a pimple. But see your doctor if you remain uncertain.

In brief: Doubt herpes

Herpes lesions are unlikely to contain "hard white pus".
Probably it was just a pimple. But see your doctor if you remain uncertain.
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