Natural Health Research

Naturopathic Medicine
Health Quizzes
Furosemide, Lasix, Frusemide


Furosemide is a loop diuretic used in the treatment of congestive heart failure and edema.


loop diuretic


ascites, edema, heart failure, hypercalcemia, hypertension, hypertensive emergency, hypertensive urgency, nephrotic syndrome, pulmonary edema,

Side Effects

abdominal pain, agranulocytosis, anemia, anorexia, aplastic anemia, blurred vision, cholestasis, constipation, diarrhea, dizziness, headache, hearing loss, hypercholesterolemia, hyperglycemia, hypertriglyceridemia, hyperuricemia, hypocalcemia, hypochloremia, hypokalemia, hypomagnesemia, hyponatremia, hypovolemia, interstitial nephritis, jaundice, leukopenia, nausea/vomiting, orthostatic hypotension, pancreatitis, paresthesias, photosensitivity, polyuria, thrombocytopenia, tinnitus

Drug-Vitamin-Herb Interactions

Negative interactions:

Licorice contains glycyrrhizic acid, which promotes potassium loss in urine. Switch to DGL.

St JohnÕs Wort and Dong quai
St JohnÕs Wort and Dong Quai can cause sensitivity to sunlight, which may add to the side effects of loop diuretics.

Positive interactions:

Loop diuretics can deplete potassium.

Loop diuretics can deplete potassium.

Vitamin B1
Furosemide may deplete vitamin B1 (thiamin).




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