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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

Your problem might be resolved by adjusting your medications. This is especially true if you recently started one of these or you increased the dose.

Call your doctor's office for advice.

There may be other reasons for your lightheadedness. Continue with this guide after calling your doctor.

Click here to continue with the guide.

Disclaimer: This content should not be considered complete and should not be used in place of a call or visit to a health professional. Use of this content is subject to specific Terms of Use & Medical Disclaimers.