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Symptom Checker

Step 4: Read and complete the decision guide to learn more about your symptoms.

Nail Problems

Certain symptoms suggest a serious cause of nail problems that requires prompt attention. It's important to ask questions about these symptoms first.

Do you have a painful fingernail or toenail that began after a significant injury?

Yes, my nail is painful and it began after an injury.

No, the problem did not begin after an injury.

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