<unk> (injection) is a loop diuretic that is FDA approved for the treatment of edema associated with congestive heart failure, hepatic and renal disease, including nephrotic syndrome. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include hypotension, hyperuricemia, hypochloremia, hypokalemia, nausea, cramp, dizziness, headache, and azotemia.
Bumetanide 
Amiloride
Conivaptan
Tolvaptan
Furosemide 
Torsemide 
Chlorothiazide 
Phenacemide