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Doctor insights on: What Causes Blackouts And Dizziness

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What can cause dizziness and vision blackout?

What can cause dizziness and vision blackout?

Poor circulation: Even though dizziness is a no-descrpt, non-medical term, no matter what your personal definition is, the combination of "dizziness" & visual blackout indicates inadequate blood flow to the occipital cortex in the back of the brain. Many causes for this exist, most common of which are cardiac problems, low blood pressure, and migraine. ...Read more

Dr. Budi Bahureksa
143 doctors shared insights

Blackouts (With Memory Loss) (Definition)

A blackout is a symptom in which a person faints. Fainting is a temporary loss of consciousness due to a drop in the blood supply to the brain. A blackout can also mean an episode of temporary loss of vision (one's view turns to black) due to a drop in the blood supply to the head and eyeballs, without fully fainting. ...Read more


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Mum felt dizzy/blackout while driving what might be the cause?

Mum felt dizzy/blackout while driving what might be the cause?

Several thots: Might be a syncopal event due to drop in blood pressure secondary to dehydration, or even cardiac arrhythmia. Might consider hypoglycemia. Strongly urge visit to your doctor ASAP. Do not let her drive until this is clarified. ...Read more

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It is very normal to me to feel dizzy and blackout aerially a lot n i get shaky like a siezure would start.What would cause this?Been goin on for 10yr

It is very normal to me to feel dizzy and blackout aerially a lot n i get shaky like a siezure would start.What would cause this?Been goin on for 10yr

Investigate!: What you describe sounds most like panic disorder, which is treatable. However, there are some medical conditions that can mimic this and you should consult your physician to consider whether/what tests might indicate another diagnosis with another specific remedy. ...Read more

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I am experiencing heaviness and numbness in my head which causes tiredness and dizziness. I sometimes experience like getting blackout. Why?

I am experiencing heaviness and numbness in my head which causes tiredness and dizziness. I sometimes experience like getting blackout. Why?

Dizziness: The head symptoms you are describing are concerning. A sense of impending loss of consciousness is never normal, and workup should include some form of brain scan, and a thorough cardiovascular workup. ...Read more

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I had a sudden blackout in vision, but no dizziness, and it happened around 3-5 seconds...What causes it?Eye disease?Well both of my eyes has myopia

Blood pressure: Sudden changes in blood pressure from laying down to standing up can do this but so can clots are narrowing of arteries. Please get checked by both your internist and eye doctor. ...Read more

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What causes random blackouts..Hen this happens to me the room starts spinning theres dizziness sweating weakness & no hearing in the ear ?

Many possibilities: Blackouts should be investigated it sounds as if you have vertigo it can be related to hearing disorders (such as menier's disease) see an ENT specialist. ...Read more

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Help, I have blackouts and dizziness when getting up?

Consider: Dehydration, orthostatic hypotension, POTS, anemia, thyroid problems amongst many. Could be medication and/ or recreational drugs. Check in with your doctor. ...Read more

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Why would you get dizzy blackout only for a few seconds then comevtoo and feel like your falling?

Why would you get dizzy blackout only for a few seconds then comevtoo and feel like your falling?

See your doctor: Occasionally we get dizzy. Completely blacking out is not normal. You should see your doctor, discuss it and get the necessary tests done at his/her discretion. Good luck. ...Read more

Dr. Dariush Saghafi
3,534 doctors shared insights

Dizziness (Definition)

Dizziness is a feeling of light headedness that includes loss of balance, vertigo, or the feeling as ...Read more