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Updated: Oct 9, 2025

Dynamic Electrochemical Measurement of Chloride Ions

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Published on: February 5, 2016

Electrolyte Disorders Common in Thiazide Diuretic Users.

Karen Rosenberg

The American Journal of Nursing

|December 23, 2021

Summary

Thiazide diuretics can cause low sodium (hyponatremia) and low potassium (hypokalemia) in about 20% of patients. This highlights a common side effect of these frequently prescribed medications.

Area of Science:

Nephrology
Internal Medicine
Pharmacology

Background:

Thiazide diuretics are widely prescribed for hypertension and edema.
Electrolyte imbalances, such as hyponatremia and hypokalemia, are potential adverse effects.

Purpose of the Study:

To quantify the incidence of hyponatremia and hypokalemia in patients using thiazide diuretics.

Main Methods:

Observational study design.
Analysis of patient data from a clinical setting.
Monitoring of serum electrolytes (sodium and potassium) in patients prescribed thiazide diuretics.

Main Results:

Approximately 20% of patients taking thiazide diuretics developed hyponatremia.
Approximately 20% of patients taking thiazide diuretics developed hypokalemia.

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Conclusions:

Hyponatremia and hypokalemia are common adverse events associated with thiazide diuretic use.
Clinicians should monitor electrolyte levels in patients receiving thiazide therapy.