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How can blood circulation cause dizziness?

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Dizziness can be a sign of a problem with your blood flow. Your brain needs a steady supply of oxygen-rich blood. Otherwise, you can become lightheaded and even faint. Some causes of low blood flow to the brain include blood clots, clogged arteries, heart failure, and an irregular heartbeat. For many older people, standing suddenly can cause a sharp drop in blood pressure. It's important to get medical help immediately if you're dizzy and faint or lose consciousness.

From: Why Am I Dizzy? WebMD Medical Reference

SOURCES:

The Cleveland Clinic: "Dizziness."

Lewis, J. 2016. Merck Manual,

National Institute on Deafness and Other Communication Disorders: "Meniere's Disease."

National Institute of Diabetes and Digestive and Kidney Disease: "Low Blood Glucose (Hypoglycemia)."

National Health Service: "Dizziness (lightheadedness)."

Vestibular Disorders Association: "Causes of Dizziness."

Reviewed by Lisa Bernstein on August 1, 2018

SOURCES:

The Cleveland Clinic: "Dizziness."

Lewis, J. 2016. Merck Manual,

National Institute on Deafness and Other Communication Disorders: "Meniere's Disease."

National Institute of Diabetes and Digestive and Kidney Disease: "Low Blood Glucose (Hypoglycemia)."

National Health Service: "Dizziness (lightheadedness)."

Vestibular Disorders Association: "Causes of Dizziness."

Reviewed by Lisa Bernstein on August 1, 2018

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What medications can cause dizziness as a side effect?

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