Doctor insights on:
What Causes Blackouts And Dizziness
Lots of things!: Sorting out the significance of those symptoms depends on accompanied circumstances (precipitating events, duration, palpitations), objective findings (abnormal cardiac or neurologic exam), age (younger, older), etc. Often these may be relatively benign (if younger patient and not objective abnormalities), but may also be a harbinger of more serious underlying conditions. Talk to your doctor. ...Read moreSee 1 more doctor answer
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
Vertigo: The symptoms you describe suggest a diagnosis of an inner ear problem called labarynthitis. Causes are multiple, some benign and some serious. If symptoms are persistant, serious problems are more likely. See your family doctor to discuss this matter further and to determine if further evaluation is required. ...Read moreSee 3 more doctor answers
Dizziness: Many things. Here is a broad category list: 1. Inner ear problems 2. Neurologic problems 3. Hormonal/metabolic problems 4. Anemia 5. Dehydration 6. Cardiovascular/circulatory problems 7. Anxiety 8. Infection 9. Autoimmune disorder so...Lots of things to look at but before any testing ordered someone should take a very comprehensive history of your symptoms to guide the testing. ...Read moreSee 1 more doctor answer
Dizziness-many cause: Dizziness is a symptom, not a diagnosis. This means many different causes of many different diseases may affect our balance, creating a lightheaded sensation, unsteadiness when changing positions, and occasionally a rotating sensation. The diagnosis in each individual is suggested most by major symptom, frequency and duration of symptom, what causes, what relieves, and presence of numerous meds. ...Read more
Many things: Most common would be migraine. Next would be ear and sinus infection. Bad would include brain tumor and meningitis. Medication and drug toxicity and too much alcohol can cause this. Head trauma, stress, emotional stress, lack of sleep can all result in these symptoms. Get a thorough evaluation! ...Read more
Nonspecific: Nonspecific symptoms. Many things. See MD.Get a more detailed answer ›
A long list: Many different things can potentially cause this constellation of symptoms that you describe, including: high blood pressure, anemia, very high blood sugar, abnormal thyroid function, abnormal electrolytes, and less often neurological illness. Given how nonspecific these symptoms are, it's important you have a thorough exam and evaluation by a physician. ...Read more
Depends:: You want to HAVE dizziness & nausea or NOT have dizziness & nausea? Sorry, that was irresistible. The dizziness and vomiting centers are located in the brainstem. They respond to a wide variety of stimuli in the body e.g. gastroenteritis, in the brain e.g. migraines or rotational movement or vestibular mismatch, & systemically e.g. cancer chemotherapy. ...Read more
Many Causes: Many things cause sudden dizziness. It could be an inner ear problem, heart condition, low blood sugar, vagal response, nerve condition or simply dehydration. If it is a recurring thing, it is time to see your doctor and have it examined further. One time episodes can be a sign of something worse, so unless you are generally a healthy person, evaluation of your dizziness is important. ...Read moreSee 2 more doctor answers
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