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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Sudden Weakness In Both Legs?

Twice now in the last couple months. I have had a sudden weakness in both legs. Was so severe, I had to sit down. The second time, I was at home, so went ahead and tried walking to my home from the yard and I did fine. Do you know what causes this? I am 62 yrs. old and in good health.
Fri, 10 Jan 2014
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Orthopaedic Surgeon 's  Response
Hi there

Sudden weakness of such nature can be due to either :
1. A neurological disorder causing weakness in leg muscles
2. Elecrolyte imbalance in the body.

Kindly check if you are on some medication which could cause the problem .
Since it has occurred only twice I think the second cause is more likely.

Kindly get a serum electrolyte snd NCV ( nerve conduction velocity) of the legs

Start on some neurotropic like pregablin till then an drink plenty of water .

I hope my advice has helped .
Good luck .
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What Causes Sudden Weakness In Both Legs?

Hi there Sudden weakness of such nature can be due to either : 1. A neurological disorder causing weakness in leg muscles 2. Elecrolyte imbalance in the body. Kindly check if you are on some medication which could cause the problem . Since it has occurred only twice I think the second cause is more likely. Kindly get a serum electrolyte snd NCV ( nerve conduction velocity) of the legs Start on some neurotropic like pregablin till then an drink plenty of water . I hope my advice has helped . Good luck .