EA-2054
Ethacrynic Acid[edit]
Ethacrynic acid is a loop diuretic used in the management of edema associated with congestive heart failure, liver cirrhosis, and renal disease. Unlike other loop diuretics, ethacrynic acid does not contain a sulfonamide group, making it a suitable alternative for patients with sulfonamide allergies.
Pharmacology[edit]
Ethacrynic acid works by inhibiting the sodium-potassium-chloride symporter in the thick ascending limb of the loop of Henle in the nephron. This inhibition leads to a decrease in the reabsorption of sodium chloride, resulting in increased excretion of sodium, chloride, and water.
Mechanism of Action[edit]
The primary action of ethacrynic acid is to block the Na-K-2Cl symporter, which is responsible for the reabsorption of sodium, potassium, and chloride ions. By inhibiting this transporter, ethacrynic acid increases the osmolarity of the urine, leading to diuresis.
Pharmacokinetics[edit]
Ethacrynic acid is rapidly absorbed from the gastrointestinal tract and is extensively bound to plasma proteins. It is metabolized in the liver and excreted primarily in the urine.
Clinical Uses[edit]
Ethacrynic acid is primarily used to treat conditions associated with fluid overload, such as:
Side Effects[edit]
Common side effects of ethacrynic acid include:
Contraindications[edit]
Ethacrynic acid is contraindicated in patients with:
- Severe electrolyte depletion
- Anuria
- Hypersensitivity to ethacrynic acid
Related Pages[edit]
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