Bicor tablets are also known as dihydroclonazepam, which is the hydrochlorothiazide medication used clinically. This drug is a diuretic, can help excrete excessive sodium and water in the body, reduce the volume of extracellular fluid, can reduce edema. Hydrochlorothiazide tablets are most commonly used in the treatment of edema in patients with heart failure, but also has a certain role in lowering blood pressure, more suitable for elderly patients with hypertension, especially with heart failure. In addition, hydrochlorothiazide tablets can also be used in a variety of kidney disease and liver disease caused by edema, including edema and ascites in cirrhosis, as well as acute and chronic nephritis, nephrotic syndrome, chronic renal failure treatment. Endocrine system disorders, such as sodium and water retention caused by increased adrenocorticotropic hormone, can also be treated with hydrochlorothiazide tablets.