Furosemide
(Lasix) |
Category:
Description:
Indications:
Contraindications:
Precautions:
-
Pregnancy
category C; excreted into breast milk
-
Diabetes
mellitus, dehydration, severe renal disease, cirrhosis ascites
-
System
lupus erythematosis
-
Gout
-
Take
with food or milk to reduce GI upset; avoid prolonged exposure to
sunlight
Adverse
Reactions (Side Effects):
-
CNS:
dizziness, fever, headache, paresthesia, restlessness, vertigo
-
CV:
chest pain, cardiovascular collapse, ECG changes, orthostatic
hypotension
-
EENT:
blurred vision, ototoxicity
-
GI:
anorexia, constipation, cramping, diarrhea, ischemic hepatitis,
jaundice, nausea, vomiting, oral and gastric irritation
-
GU:
glycosuria, hyperuricemia, urinary bladder spasm
-
HEME:
agranulocytosis, anemia, aplastic anemia, leukopenia, purpura,
thrombocytopenia
-
METAB:
hyperglycemia
-
SKIN:
erythema multiforme, exfoliative dermatitis, interstitial nephritis,
necrotizing angiitis, photosensitivity, pruritis, rash urticaria
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Dosage:
Administered
orally (tablets, solution), intravenously, and intramuscularly
-
Adult:
-
PO
20-80 mg daily in the morning; may give another dose in 6 hours;
increase in increments of 20-40mg up to 400mg daily if response
not satisfactory:
-
IM/IV
20-40mg, increased by 20mg every 2 hours until desired response
(rule of thumb: IV dose = ½ oral dose).
-
Pulmonary
edema:
-
Child:
Drug
Interactions:
-
Additive/increased
ototoxicity: aminoglycosides
-
Enhanced
nephrotoxicity: cephalosporins
-
Diuretic
induced hypokalemia may increase risk of digitalis toxicity: digoxin,
digitoxin
-
Reduced
diuretic response: barbiturates,
phenytoin
-
Case
reports of sudden death hyponatremia proposed; causal relationships
not established: seratonin-reuptake
inhibitors
-
Additive
hypokalemia: terbutaline
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The information contained here is an
abbreviated summary. For more detailed and complete information, consult the
manufacturer's product information sheets or standard textbooks
Source: Operational Medicine 2001, Health
Care in Military Settings, NAVMED P-5139, May 1, 2001, Bureau
of Medicine and Surgery, Department of the Navy, 2300 E Street NW, Washington,
D.C., 20372-5300
This information is provided by The Brookside Associates. The Brookside
Associates, LLC. is a private organization, not affiliated with any governmental
agency. The opinions presented here are those of the author and do not
necessarily represent the opinions of the Brookside Associates or the Department
of Defense. The presence of any advertising on these pages does not constitute
an endorsement of that product or service by either the US Department of Defense
or the Brookside Associates. All material presented here is unclassified.
C. 2009, 2014, All Rights Reserved
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