Lasix

Definition

Lasix is a loop diuretic commonly used to treat edema associated with heart failure, liver disease, and kidney disorders. Its active ingredient is furosemide, which helps the kidneys eliminate excess fluid and salt from the body.

5 Must Know Facts For Your Next Test

1. Lasix works by inhibiting the reabsorption of sodium and chloride in the ascending loop of Henle in the kidneys.
2. It can lead to electrolyte imbalances such as hypokalemia (low potassium levels).
3. Lasix has a rapid onset of action, usually within an hour when taken orally.
4. Common side effects include dehydration, hypotension, and dizziness.
5. Patients on Lasix often require monitoring of renal function and electrolyte levels.

Review Questions

• What is the primary mechanism of action for Lasix?
• Name two common side effects of Lasix.
• Why should patients on Lasix have their renal function and electrolytes monitored regularly?

Related terms

Furosemide: The active ingredient in Lasix that acts as a potent loop diuretic.

Hypokalemia: A condition characterized by low levels of potassium in the blood, often a side effect of diuretics like Lasix.

Loop Diuretics: A class of diuretics that act on the ascending loop of Henle in the kidney to increase urine output.