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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Dizziness And Collapse Of Legs?

After a long bike ride (20 miles +) I have had times when I get off the bike my legs collapse. Today I was on a step ladder trimming a tree, felt dizzy, and when I got down and started walking my legs collapsed. I am 72 , very active, lower blood pressure and no cholesterol problems. What can it be from?
Mon, 17 Aug 2015
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General & Family Physician 's  Response
Hi,

Dizziness even in sitting position is concerning.

It could be due to variety of causes or it could be transient.

Do you have any other symptoms with this dizziness?

Perhaps if the dizziness is not troubling your day to day work, then you may wait for few days.

Until then you may take proper hydration and electrolyte balance with some symptomatic antihistamines treatment like betahistidine. Do not worry.

However if the problem is persistent, you should see a doctor at the earliest and get evaluated further.

I will suggest you undergo routine blood count, ESR, blood electrolytes and other tests to diagnose the cause for dizziness.

Your local physician or GP will know about the test. He/she will can order the test after complete history and thoroughly clinical examination like temperature, pulse, blood pressure which will enable us to arrive a diagnosis.

Regards,
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What Causes Dizziness And Collapse Of Legs?

Hi, Dizziness even in sitting position is concerning. It could be due to variety of causes or it could be transient. Do you have any other symptoms with this dizziness? Perhaps if the dizziness is not troubling your day to day work, then you may wait for few days. Until then you may take proper hydration and electrolyte balance with some symptomatic antihistamines treatment like betahistidine. Do not worry. However if the problem is persistent, you should see a doctor at the earliest and get evaluated further. I will suggest you undergo routine blood count, ESR, blood electrolytes and other tests to diagnose the cause for dizziness. Your local physician or GP will know about the test. He/she will can order the test after complete history and thoroughly clinical examination like temperature, pulse, blood pressure which will enable us to arrive a diagnosis. Regards,