Diuril is a medication that helps with the elimination of excess fluids and salt from the body. It is also known as chlorothiazide, a medication that belongs to the class of diuretics. Diuretics like diuril increase urine production by reducing salt and water retention in the body, which helps in the treatment of congestive heart failure and high blood pressure. Some of the synonyms for diuril are hydrochlorothiazide, chlorthalidone, furosemide, and torsemide. These medications are also used as diuretics to help reduce the amount of fluid in the body, relieve edema, and lower blood pressure. It's important to use these medications only under the supervision of a medical professional.