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Symptom Checker

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

Blacking Out, Fainting, or Loss of Consciousness

Since your blood pressure is not falling, right now you should be getting enough blood to your brain. If you are currently lightheaded or dizzy, there is likely some other reason. Increase your fluid intake. If your symptoms persist despite robust fluid intake, call your doctor's office for advice.


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