Not Medical Advice / Nearest Match: White, round-shape pill with GG 21 imprint has been identified as Furosemide 20 mg.
Furosemide is a loop diuretic (water pill) that prevents your body from absorbing too much salt, allowing the salt to instead be passed in your urine. It treats fluid retention (edema) in people with congestive heart failure, liver disease, or a kidney disorder such as nephrotic syndrome. It is also used in the treatment of high blood pressure; ascites; renal failure and more.
Tip! Check out some lifestyle and home remedies that may help decrease edema and keep it from coming back from Mayo Clinic.