Pharmacology Proctored ATI Practice Exam 2026 - Free Pharmacology Practice Questions and Study Guide

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What is a common side effect of diuretics?

Weight gain

Electrolyte imbalance

Diuretics are medications that promote the excretion of sodium and water from the body, primarily by acting on the kidneys. A key effect of this increased urination is the potential for electrolyte imbalances. This occurs because, as the body eliminates excess fluid, it can also lose essential electrolytes such as potassium, sodium, and magnesium.

For instance, many diuretics, especially loop and thiazide diuretics, are known to cause hypokalemia, a condition characterized by low potassium levels, which can lead to serious complications such as arrhythmias. Similarly, other electrolytes may become imbalanced due to the altered fluid and electrolyte homeostasis caused by these medications.

Recognizing the risk for electrolyte disturbances is crucial for patients on diuretics, as this can guide monitoring and management strategies to ensure safe and effective treatment.

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Drowsiness

Nausea

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