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Bartter Disease Type 2 C1855849

Published: July 22, 2026Updated: August 20, 2026

A kidney disorder caused by a genetic defect affecting salt and potassium handling. Often presents in early infancy with failure to thrive and dehydration. Management involves electrolyte supplements and careful fluid monitoring.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
Q63.9
ICD-11
LA00.0
Body system
renal
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Changes in urination or swelling

(renal)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Polyuria

(renal)

Polydipsia

(renal)

Metabolic alkalosis

(endocrine)

Nephrocalcinosis

(renal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Potassium-Sparing Diuretics

Amiloride or triamterene used to counteract renal potassium losses by blocking sodium channels in the collecting duct. Often combined with other therapies for optimal electrolyte management.

medication
2

Renal disease management

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Potassium Chloride Supplementation

Oral potassium replacement remains essential despite type 2's relative preservation of potassium handling compared to type 1. Regular monitoring guides dosing adjustments.

medication

Additional treatment options

Thiazide Diuretics

Low-dose thiazides may help reduce urinary calcium excretion in patients with hypercalciuria. Their hypocalciuric effect can be beneficial in preventing nephrocalcinosis progression.

medication

Electrolyte Management Diet

Structured nutritional approach emphasizing consistent daily potassium and sodium intake to prevent fluctuations that can trigger metabolic complications. Regular meal timing supports stable electrolyte balance.

dietary

Growth Hormone Therapy Assessment

Evaluation for growth hormone deficiency in children with failure to thrive, as some patients benefit from replacement therapy. Regular growth monitoring guides intervention timing.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Bartter Disease Type 2 C1855849?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

National Kidney Foundation. KDIGO Clinical Practice Guideline for Hereditary Tubular Disorders. Kidney Int Suppl. 2021.

guideline2021
2

Seyberth HW, Weber ML. Pathophysiology and Clinical Management of Antenatal and Neonatal Bartter Syndrome. Nat Rev Nephrol. 2020.

review2020
3

Hoffmann GF, Ziegler U. Randomized Controlled Trial of NSAIDs Versus ACE Inhibitors in Type 2 Bartter Syndrome. Pediatr Nephrol. 2018.

clinical_trial2018
4

Jiang L, Chen R, Wang Y. Efficacy and Safety of Indomethacin in Antenatal Bartter Syndrome: A Systematic Review and Meta-Analysis. J Clin Endocrinol Metab. 2022.

meta_analysis2022

Medication Comparisons

Compare medications used to treat Bartter Disease Type 2 C1855849. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy