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furazolidone (Furoxone)
Tradename: Furoxone.
Indications:
1) giardiasis
2) cholera
Contraindications:
1) concurrent use of alcohol
2) patients < 1 month of age (risk of hemolytic anemia)
3) concurrent use of MAO inhibitors
4) tyramine-containing foods
Dosage:
1) adults: 100 mg PO QID for 7-10 days
2) children > 1 month of age:
a) 5.8-8 mg/kg/day divided QID for 7-10 days
b) max 400 mg/day (100 mg/dose)
Tabs: 100 mg.
Liquid: 50 mg/15 mL.
Adverse effects:
1) common (> 10%)
- discoloration of urine (brown)
2) less common (1-10%)
- abdominal pain, diarrhea, nausea/vomiting, headache
3) uncommon (< 1%)
- leukopenia, skin rash, joint pain, orthostatic hypotension, dizziness, drowsiness, malaise, fever, hypoglycemia, agranulocytosis, hemolysis in patients with G6PD deficiency
Drug interactions:
1) alcohol (concurrent use contraindicated, disulfiram- like reaction)
2) MAO inhibitors (concurrent use contraindicated)
Laboratory:
- antibiotic susceptibility furazolidone
Interactions
drug interactions
Related
Giardia lamblia; Giardia intestinalis
General
antiprotozoal agent
Properties
MISC-INFO: elimination route FECES
pregnancy-category C
safety in lactation ?
Database Correlations
PUBCHEM correlations
References
- Harrison's Principles of Internal Medicine, 14th ed.
Fauci et al (eds), McGraw-Hill Inc. NY, 1998, pg 1203
- The Pharmacological Basis of Therapeutics, 9th ed.
Gilman et al, eds. Permagon Press/McGraw Hill, 1996
- Kaiser Permanente Northern California Regional Drug
Formulary, 1998