What causes Sodium 155 mEq/L?

Severe dehydration Diabetes insipidus Inability to drink

What should I do if my Sodium is 155?

Medical care — IV free water with careful monitoring Correct no faster than 10-12 mEq/L per day Treat the underlying cause

What causes Sodium 155?

Severe dehydration Diabetes insipidus Inability to drink

What should I do about Sodium 155?

Medical care — IV free water with careful monitoring Correct no faster than 10-12 mEq/L per day Treat the underlying cause

Sodium — Severe

Sodium 155 mEq/L: What It Means

Classification: Severe

Sodium 155 is severe hypernatremia — a large free-water deficit. Hospital evaluation is usually required.

What can cause this?

Severe dehydration
Diabetes insipidus
Inability to drink

Your next steps

1Medical care — IV free water with careful monitoring
2Correct no faster than 10-12 mEq/L per day
3Treat the underlying cause

About the Sodium test

Sodium reflects water balance — the ratio of total body sodium to total body water. Kidneys regulate both; kidney disease disturbs the balance.

Standard blood test.

Reference: Normal range per major laboratories; correction guidance per AdroguÃ©-Madias • Normal range: 135-145 mEq/L

Use the Sodium tool

Calculate and interpret your value properly

Other Sodium Values

130 mEq/L 128 mEq/L 135 mEq/L 146 mEq/L 150 mEq/L

This page is educational and not a diagnosis — interpret with your healthcare provider.

Sodium 155: Quick Answers

Fluids, Sodium & Blood Pressure

Fluid restriction calculator IDWG calculator High-sodium foods to avoid Does salt cause kidney disease?Does drinking water help kidneys?

Keep learning about Sodium

Tool: Total Body Water & Free Water Deficit (Watson)Lab: Sodium 130 Lab: Sodium 128 Lab: Sodium 135

Sodium — Severe

Sodium 155 mEq/L: What It Means

Classification: Severe

Sodium 155 is severe hypernatremia — a large free-water deficit. Hospital evaluation is usually required.

What can cause this?

Severe dehydration
Diabetes insipidus
Inability to drink

Your next steps

1Medical care — IV free water with careful monitoring
2Correct no faster than 10-12 mEq/L per day
3Treat the underlying cause

About the Sodium test

Sodium reflects water balance — the ratio of total body sodium to total body water. Kidneys regulate both; kidney disease disturbs the balance.

Standard blood test.

Use the Sodium tool

Calculate and interpret your value properly

Other Sodium Values

130 mEq/L 128 mEq/L 135 mEq/L 146 mEq/L 150 mEq/L

This page is educational and not a diagnosis — interpret with your healthcare provider.

Sodium 155: Quick Answers

Fluids, Sodium & Blood Pressure

Fluid restriction calculator IDWG calculator High-sodium foods to avoid Does salt cause kidney disease?Does drinking water help kidneys?

Keep learning about Sodium

Tool: Total Body Water & Free Water Deficit (Watson)Lab: Sodium 130 Lab: Sodium 128 Lab: Sodium 135

Sodium 155 mEq/L: What It Means

What can cause this?

Your next steps

About the Sodium test

Other Sodium Values

Sodium 155: Quick Answers

Fluids, Sodium & Blood Pressure

Keep learning about Sodium

Educational information only

Sources and methodology

Sodium 155 mEq/L: What It Means

What can cause this?

Your next steps

About the Sodium test

Other Sodium Values

Sodium 155: Quick Answers

Fluids, Sodium & Blood Pressure

Keep learning about Sodium

Educational information only

Sources and methodology

Sodium 155 mEq/L: What It Means

What can cause this?

Your next steps

About the Sodium test

Other Sodium Values

Sodium 155: Quick Answers

Is Sodium 155 mEq/L normal?

What causes Sodium 155?

What should I do about Sodium 155?

Fluids, Sodium & Blood Pressure

Keep learning about Sodium

Educational information only

Sources and methodology

Sodium 155 mEq/L: What It Means

What can cause this?

Your next steps

About the Sodium test

Other Sodium Values

Sodium 155: Quick Answers

Is Sodium 155 mEq/L normal?

What causes Sodium 155?

What should I do about Sodium 155?

Fluids, Sodium & Blood Pressure

Keep learning about Sodium

Educational information only

Sources and methodology