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A member asked:

How low do potassium levels have to be before you get symptoms?

A doctor has provided 1 answer

See below: There are no fixed levels, however less than 3.5 meq/l problems can occur with muscle weakness, cramps and heart irrugularities.

Dr Ali agreed

Answered 7/4/2014

5.7k views

Thank

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Could persistent potassium levels below 3.5 but above 3.0 cause symptoms of hypokalaemia? seems odd to have a reference range starting at 3.5 but to tell patients 3.2 isn't "low enough" to cause symptoms. thanks?
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