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What Do Cold Sores Look Like?
Before diagnosing a cold sore, healthcare providers will also consider other conditions that share similar signs or symptoms. Some of these conditions include:
- Canker sore (aphthous ulcer)
- Impetigo
- Syphilis
- Chickenpox
- Lip cancer.
Written by/reviewed by: Arthur Schoenstadt, MD
Last reviewed by: Arthur Schoenstadt, MD