What is a less expensive alternative to edecrin (ethacrynic acid)?

Options based on you. Edecrin (ethacrynic acid) is a type of medication that helps kidneys get rid of salt water, a diuretic. Edecrin (ethacrynic acid) is often prescribed to patients with sulfa allergies and fluid retention or high blood pressure. The possible allergy to other medications is the most common reason to try this medication. If it is too expensive and you have not had a severe reaction to the other diuretics talk to your doctor about trying.