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Symptom Checker

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

Lightheaded with Standing

Let's check if you have any symptoms that suggest internal bleeding, a serious cause of lightheadedness that requires immediate attention.

Have you noticed blood in the toilet or that your stools have turned black?

Yes, I have noticed blood or that my stools have turned black.

No, I have not noticed blood or that my stools have turned black.

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