Blackout / dizzy spells?

Question

For many years, I have had dizzy spells in the mornings after showering or something. I get really lightheaded- cold sweat- and spotty vision... I have to lay down for 20 mins then I feel better.

I still have that sometimes. But also lately when I have been drinking (not much) and in a dark club or something, the same thing happens but of course worse. I will actually have spotty vision then blackout and cannot see anything for like 30 seconds. Then I sweat A LOT and feel lightheaded.

What could be the problem?

Answer 1

The medical term of black-outs and dizzy spells or fainting or lightheadness is called syncope. The causes include the following: hypoglycemia; inner ear disequilibrium; BPPV (benign paroxysmal postional vertigo); meniere's disease; diabetes, dehydration, high/low blood pressure; blood disorder disease such as anemia; unstable vascular; vasovagal syncope when the heart rate goes way down compromising the flow of blood and thus oxygen to the brain; alcohol effects; medications or allergies and skipped meals while dieting;


Another cause is "orthostatic hypotension" which is a fancy word for low blood pressure that occurs when you change your posture, e.g., standing up suddenly. When you stand up suddenly, your blood pressure drops, your heart starts beating fast in order to try to get blood (therefore, oxygen) to your brain as quickly as possible. If your body doesn't do this quickly enough--you may temporarily lose consciousness (faint). The main cause is dehydration. Dehydration also occurs after showering. when sensible loss of water occurs thru perspiration. Drink more water.


This momentary drop in blood pressure when you stand up called orthostatic hypotension -- is seen in some neurologic diseases and as an undesirable effect of some medicines.


Impending strokes or TIA would also cause this. Brain stroke or "near-stroke" (transient ischemic attack) and migraines can also lead to temporary loss of consciousness.

Heart conditions that can cause temporary loss of consciousness include abnormal heart rhythms (heart beating too fast or too slow), abnormalities of the heart valves (aortic or pulmonic valve stenosis), elevated blood pressure in the arteries supplying blood to the lungs (pulmonary artery hypertension), tears in the aorta (aortic dissection), and widespread disease of the heart muscle (cardiomyopathy).


Syncope is actually only a symptom, and as you know, symptoms can have many causes. Syncope can occur when there is an abnormality of the brain. Seizures -- that is, epilepsy -- are a good example of this cause of syncope. During the seizure the normal predictable electrical impulses of the brain are disrupted. This can cause dizziness or a loss of consciousness. You should be tested for seizures.


Syncope commonly results from a momentary lack of sufficient oxygen reaching the brain. This can happen from a lung problem such as a pulmonary embolism, but this is unlikely in your situation.. If your lungs were the culprit, you would show signs of lung injury, too. A more likely cause is a lack of oxygen to the brain as a consequence of a momentary disruption in the blood supply to it. This is the most common cause of syncope, and it's often due to an irregular heartbeat or as a consequence of medicine, particularly heart or blood pressure ones.


Coughing, laughing, sneezing, urinating or having a bowel movement can trigger what is called vasovagal syncope. It is a momentary loss of oxygen to the brain produced by a complex physiologic mechanism related to these activities. When this same physiologic event is the consequence of extreme fright or excitement we call it fainting. This could be what is happening to you.

Your spotty vision might be due to glaucoma or other vision problems. And these can also cause dizziness.

Answer 2

Blackout Spells

Answer 3

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RE:
Blackout / dizzy spells?
For many years, I have had dizzy spells in the mornings after showering or something. I get really lightheaded- cold sweat- and spotty vision... I have to lay down for 20 mins then I feel better.

I still have that sometimes. But also lately when I have been drinking (not much) and in a dark...

Answer 4

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Answer 5

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Answer 6

you may be anemic. Try taking Iron supplements and folic acid. Also B12 vitamins help. I'd see a doctor to be sure because it's been so long you may have done damage to your heart.

Answer 7

have a cbc count, you probably have anemia.. you may also want to hve your eyes checked by an ophtalmologist, this could also be a cause of your dizzy spells

Answer 8

Have you had a physical lately? If not, please get one. At least stop and get your blood pressure checked. It could be low or high blood pressure.
Or, if there is diabetes, hypoglycemia in your family, you would want to get blood work done to see how you are doing.
Please, don't ignore it any longer-please get checked.
Take care.