Sodium (Canine)

Also known as:Na

Reference Range

Critical Low

<125

mEq/L

Reference Range

139-154

mEq/L

Optimal Range

141-152

mEq/L

Critical High

>170

mEq/L

Sodium regulates fluid balance, nerve impulses, and muscle function.

Low

Low sodium can indicate Addison's disease, noticeable vomiting/diarrhea, kidney disease, or fluid overload.

What to do:

Your vet will check cortisol levels and run additional electrolyte panels.

Show lab quote format

Canine Sodium: 132 mEq/L (Low)

Normal

Sodium regulates fluid balance, nerve impulses, and muscle function.

What to do:

No action needed.

Show lab quote format

Canine Sodium: 146 mEq/L

High

High sodium usually means noticeable dehydration or salt poisoning. In older dogs, can indicate diabetes insipidus.

What to do:

Ensure water is available. If your dog is not drinking, immediate veterinary attention is needed.

Show lab quote format

Canine Sodium: 160 mEq/L (High)

Upload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.