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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 (Definition)

These can be thought of as having no memory or what happened during a specific period of time. As an example, patients can drink enough alcohol to experience blackouts, i.e., they have no idea what they did, where they were, or who they were with while ...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 there's 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

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I have been having "blackouts" in my visual field for a couple of weeks. There is no dizziness or loss of conciouness or headache. What is this?

Get checked: Not sure why you are having black outs in your field of vision, but several things like certain migraine variants, seizures, etc. May cause this. Other causes are possible, but basically this is not normal and you need to get evaluated and get diagnosed properly. Best wishes. ...Read more

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I have server migranes that come with blur vision dizziness body weakness and sometimes blackouts what could it be been going on for over 6 months?

I have server migranes that come with blur vision dizziness body weakness and sometimes blackouts what could it be been going on for over 6 months?

Chronic headaches: As a headache specialist in Cleveland, OH I routinely see patients with your picture. Have you had a neurological exam to make sure there are no causes to your headaches of a NEFARIOUS nature? Good word for you to look up! LOL My first move would be to examine you then, ask you to fill out a detailed log. Wanna chat more or make an appointment?

www. Healthtap. Com/drsaghafi Key Code: PDXFNR ...Read more

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I Keep getting dizzy and blackouts when I stand up or move to quick, but I also get dizzy when moving to quick... what does this mean?

Drink more fluids: Could be a sign that you are not well hydrated. Drink plenty of fluids. If still symptomatic seek medical attention. ...Read more

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Yesterday I had a severe blackout without nausea dizziness or pain. It lasted for a solid 5 minutes then was fine. Should I be concerned?

Yesterday I had a severe blackout without nausea dizziness or pain. It lasted for a solid 5 minutes then was fine. Should I be concerned?

Please get checked: By your family doctor. He or she should be able to find the root cause. Any blackout is reason for evaluation and should be taken seriously. Best wishes. ...Read more

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I feel a little dizzy and eyes blackout when I get up from sitting or lying down. What can that be?

I feel a little dizzy and eyes blackout when I get up from sitting or lying down. What can that be?

Blood flow: This is called orthostatic hypotension. It is when you change position from sitting or lying down the blood rushes to the lower part of you body due to gravity, causing low blood flow to the brain and your symptoms. This can be caused by many things, blood pressure medications, dehydration, occluded blood vessel (vetebral basilar artery syndrome), intestinal bleed, etc. You need to see your pcp. ...Read more

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Have constant dizzy spells resulting in light headedness and blackouts constantly, and recently light shakiness...what could this be symptoms of?

Have constant dizzy spells resulting in light headedness and blackouts constantly, and recently light shakiness...what could this be symptoms of?

See doctor asap: You need to be seen by your pcp without delay for exam and proper diagnosis. Many possible causes for your symptoms, eg, any drug/alcohol use, hormonal, cardiac, neurological etc. Your doctor will need a detailed history and likely want additional testing. Meantime, avoid alcohol/recreational drugs. Have a parent go with you to doctor. I hope this helps. Best wishes. ...Read more

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I was in a bicycle /car accident two months ago. I received a few abrasions and contusions (my bike&pavement). Dizziness&near-blackouts lately. Help?

I was in a bicycle /car accident two months ago. I received a few abrasions and contusions (my bike&pavement). Dizziness&near-blackouts lately. Help?

Need to see doctor: You are feeling dizzy and feel like blacking out, you need to have it checked, you may have had a head injury and may need an examination and if indicated cat scan of the head. See your doctor asap or go to er. ...Read more

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I felt dizzy almost as if was gonna blackout chest hurt to breath and slowly my sight turned darker and darker till couldn't really see. What happen?

Probably you: Experienced vaso-vagal reaction in which your blood pressure dropped from change in body position, sudden head turning, strenuous activity etc. Get examined. You're still young to have serious medical ailment. Hope you feel better! ...Read more

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I've been having blackout episodes where I get dizzy, eyesight goes black & collapse and twitch. It is NOT from getting up too fast. What could it be?

I've been having blackout episodes where I get dizzy, eyesight goes black & collapse and twitch. It is NOT from getting up too fast. What could it be?

Syncope: Your symptoms sound consistent with syncope, which is caused by briefly decreased blood pressure and loss of sufficient blood flow to the brain. There are other causes for this than "getting up too fast, " such as dehydration, irregular heart beats, or difficulty with the autonomic nervous system. I would stay well hydrated and discuss with your primary doctor soon. Take care, and stay well! ...Read more

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My sister is 32 years old and has had a severe headache for 3 months straight. It hurts everyday. Some days are not as bad as others but always hurts. She feels very dizzy almost all the time. There have been sometimes when she has had short blackouts. Th

My sister is 32 years old and has had a severe headache for 3 months straight. It hurts everyday. Some days are not as bad as others but always hurts. She feels very dizzy almost all the time. There have been sometimes when she has had short blackouts. Th

See Neurologist: Severe headaches, black outs, dizziness should be evaluated by a neurologist. Your headaches may be migraine in nature. You may be experiencing a seizure disorder. Intracranial mass should be investigated. You need to undergo a skull x-ray, brain scan & an eeg to start. Certain blood studies are needed. See your neurologist! ...Read more

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45 yr old male, type 2 diabetes, dizzy spells, blackouts, etc. What can be wrong?

45 yr old male, type 2 diabetes, dizzy spells, blackouts, etc. What can be wrong?

Various things: Some potentially serious ones.
From blood sugar that is poorly controlled as first thought, to irregular heart beats to blockage of arteries. DM type 2 will make your blood vessels at risk for blockage. So your symptoms are quite serious and should be looked into by your doctor ASAP. ...Read more

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45 yr old male, type 2 diabetes, dizzy spells, blackouts, etc. What can be wrong?

45 yr old male, type 2 diabetes, dizzy spells, blackouts, etc. What can be wrong?

TimeWaitsForNoOne: There are so many things in a 45 yr old male ('though it says female 33 yrs-but we won't get into that right now)--there's so many things in a 45 yr old male that can"be wrong"that I suggest you get, or you get her, or she get you, or whatever-that you get to a doctor as soon as possible & not wait around for an answer from a medical website-oh, wait--you did wait-thanks for waiting-now don't wait ...Read more

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Why do I blackout/dizzy for two seconds, I feel like my legs will drop and feel the ground move every two minutes ?

Why do I blackout/dizzy for two seconds, I feel like my legs will drop and feel the ground move every two minutes ?

Panic Attacks: The signs and symptoms of a panic attack-anxiety, which often last about 5-10 minutes, you should not ignore. See your doctor for evaluation, tests and referral to a specialist if needed. ...Read more

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Every time I stand up I blackout for 5 seconds but I'm still conscience. I feel like I'm going to faint, dizzy, lightheaded. I have fainted twice.

Every time I stand up I blackout for 5 seconds but I'm still conscience. I feel like I'm going to faint, dizzy, lightheaded. I have fainted twice.

Fainting: This is orthostatic hypotension - your blood pressure drops when you rise too quickly decreasing oxygen in the brain. Given this is a recurring experience it is worth having an evaluation by a doctor. There are some conditions and medications that influence its occurrence. Depending on the cause, you may be instructed in techniques such as compressing the abdomen and legs while rising and standing ...Read more

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I'm throwing up at night and have a killer headache keep getting dizzy/blackout, what's wrong?

I'm throwing up at night and have a killer headache keep getting dizzy/blackout, what's wrong?

Severe Headaches: You need to call 911 or go to the er and rule out any acute brain injury example get a brain MRI and also rule out cardiac -vascular causes for dizziness/blackouts
thanks. ...Read more

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Pituitary gland tumor found at 16yrs old. Increased recently in frequency of migraines, dizziness and blackouts. Is all this from the tumor?

Pituitary gland tumor found at 16yrs old. Increased recently in frequency of migraines, dizziness and blackouts. Is all this from the tumor?

Pituitary gland tumo: I understand your distress.
Tumor pressure can cause headaches
ACTH tumors can cause anxiety which can lead to dizziness.
These symptoms may also be due to Alcohol and Benzodiazepine abuse.
See Neurologist and Endocrinologist for Pituitary gland tumor, have consultation from Internist for Diagnosis.

See Psychiatrist for stress of relationship with parents, boyfriend, use alcohol and drugs. ...Read more

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What do u have when u feel dizzy and numb in lower face and have blackouts sometimes my cousin went to the ER and they couldn't do anything for her?

Blackouts: Consult a neurologist and your general physician. Ers are not equipped to diagnose any complex disorder. They just make sure you don't have a life threatening condition. ...Read more

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Experience dizziness, blackouts, elevated heart rate occasionally after climbing stairs.?

Syncope: Age - co morbidities? See your doctor. Vasovagal syncope can occur due to peripheral pooling of blood tachycardia & drop in BP. Arrhythmias, CAD, neurogenic causes are some. ...Read more

Dr. Dariush Saghafi
3,760 Doctors shared insights

Dizziness (Definition)

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