No. Syphilis causes painless ulcers called chancres.
All cold sores do blister and crust.
The main symptom is pain. Canker sores can be very painful, especially if they are touched repeatedly, e.g., by the tongue.
Cold sores look like a blister.
Canker sores are diagnosed by observation of the blister.
Also known as cold sores are fever blister and herpes.
As a rule, cold sores are not a rash, but a blister! A rash sounds like,"Hives".
Cold sores aren't bad but they can be painful.
Canker sores are sores that open inside the mouth. Treatment for would be painful only because the sores are open and can sting but clean the mouth.
Herpes and syphilis are STDs that can cause sores on the mouth or genitals (or anywhere else).
well not that I'm sure but sometimes its a sickness(not death threatening) in which blister like sores appear on the armits and under the knees. though if you have these things on your arms it could be different
Syphilis can cause sores around the mouth.
Another name for cold sores is fever blister.