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Doctor insights on: Feel Lightheaded And Dizzy

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Can anxiety make you feel lightheaded or dizzy on and off for hours?

Can anxiety make you feel lightheaded or dizzy on and off for hours?

Anxiety can cause: a variety of physical symptoms. It is important to check them out with you primary care physician 1st. If they cannot find a physical cause, speak to a clinical psychologist and start working on learning techniques to relax and reduce anxiety. ...Read more

Dr. Dariush Saghafi
1,001 doctors shared insights

Lightheadedness (Definition)

Lightheadedness is a sensation of feeling faint or "light in the head". It may be a symptom of Low blood pressure, or hypotension, which occurs when blood pressure during and after each heartbeat is much lower than usual. It may also occur when you are dehydrated, as my happen when severe morning ...Read more


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I recently lost 33lbs and now afret a year on this diet have begun to feel lightheaded and dizzy. Should i begin to maintain my weight?

I recently lost 33lbs and now afret a year on this diet have begun to feel lightheaded and dizzy. Should i begin to maintain my weight?

May not be related: You need to keep drinking enough water and eating enough calories to maintain your energy and circulation. Also you need to eat a balanced diet with leafy vegetables and fruits. Many times people forget about the water side of the equation. But the lightheaded and dizziness may not be related to your diet. Congratulations on the weight loss. ...Read more

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What causes a person to feel lightheaded or dizzy, and even faint after watching something like surgery?

What causes a person to feel lightheaded or dizzy, and even faint after watching something like surgery?

It goes like this...: Eyes see torn flesh->brain->instinctive threat avoidance->"danger!"->fight or flight->intense sympathetic nervous system reaction->compensatory parasympathetic nervous system reaction->heart slows (vagus nerve discharge), arteries dilate->blood pressure falls->tiny reduction in brain blood flow (but enough)->loss of consciousness->floor. ...Read more

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I have a history of migraines and lately when I stand up I feel lightheaded and dizzy. The feeling is kind of like vertigo. What's the cause of this?

I have a history of migraines and lately when I stand up I feel lightheaded and dizzy. The feeling is kind of like vertigo. What's the cause of this?

See your PCP: There are many possible causes of dizziness and vertigo, therefore, getting a correct diagnosis is very important. See your PCP for evaluation, tests and referral to a specialist, if needed. ...Read more

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Why do I feel lightheaded or dizzy and nauseous for a few seconds as if my feet loose energy more than twice and hour?

Why do I feel lightheaded or dizzy and nauseous for a few seconds as if my feet loose energy more than twice and hour?

Ear involvement: Symptoms you are describing are possible when the balancing mechanism in your ear is involved causing vertigo. The symptoms are usually worse with a change of posture or sudden movements of head. It usually goes way in few days. Over the counter medicines like meclizine can help ease of the symptoms. Other causes like dehydration can cause it too. See a doctor if not better in few days. ...Read more

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I constantly feel lightheaded/dizzy and feel like im going to fall over or faint feeling. I dont have to be doing anything to get this feeling. ?

I constantly feel lightheaded/dizzy and feel like im going to fall over or faint feeling. I dont have to be doing anything to get this feeling. ?

Need to examine: It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor. In the mean time try drinking more water. Drink enough water so that your urine is colorless. ...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