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A member asked:

How to tell if you have a sun blister vs cold sore?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Cold sore: Not sure. Fever blister is another name for a cold sore. Sun exposure can trigger cold sores.

Dr Dohan and another doctor agreed

Answered 10/25/2017

4.8k views

Thank

Related Questions

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What can you do to tell if your fever blister/cold sore is herpes?

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Two days ago i hit my lip and since its been sore and tender. It looks like a blister type thing but i can't tell whether it's a cold sore or not?

3 doctors weighed in across 2 answers

A member asked:

How can I tell if i have a blister or cold sore on my lower lip or if it is something more serious? It isnt painless but it doesn't hurt all that bad, its mostly painful to the touch which is difficult because it is right where my bottom lip touches the t

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A cold sore is a single bump on your lip and a herpes blister are two totally different things right? Can a herpes 1 test tell the difference?

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I can't tell if I have three small cuts or cold sore blisters in the corner of my mouth. I had dental work done on that same side of my mouth.

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