Bacterial infections:

Indications for FURADANTIN:

Susceptible UTIs.


Take with food. 50–100mg 4 times daily. Suppressive therapy: 50–100mg once daily at bedtime may suffice.


Take with food. <1month: contraindicated. ≥1month: 5–7mg/kg per day in 4 divided doses. Suppressive therapy: 1mg/kg per day in 1–2 divided doses may suffice.


Renal impairment (CrCl <60mL/min or significantly elevated serum creatinine), anuria, oliguria. Neonates <1 month of age. Labor & delivery. Pregnancy at term. History of cholestatic jaundice or hepatic dysfunction.


Not for treating pyelonephritis or perinephric abscesses. Discontinue if pulmonary reactions, hepatitis, or hemolysis occurs. Monitor LFTs periodically. Renal insufficiency. G6PD or Vit. B deficiency. Anemia. Diabetes. Electrolyte imbalance. Debilitated. Monitor renal and pulmonary function in long-term use. Pregnancy. Nursing mothers: not recommended.

Pharmacologic Class:



Avoid magnesium trisilicate. Antagonized by, and increased toxicity with uricosurics (eg, probenecid, sulfinpyrazone). May cause false (+) glucose test with Benedict's or Fehling's solution.

Adverse Reactions:

Nausea, emesis, anorexia, dizziness, headache, pulmonary reactions (esp. in long-term use), peripheral neuropathy, allergic reactions, C. difficile-associated diarrhea, hematologic disorders; rare: hepatic reactions, exfoliative dermatitis, Stevens-Johnson syndrome, optic neuritis, methemoglobinemia, aplastic anemia.

Generic Availability:


How Supplied:


Pricing for FURADANTIN

100mg capsule (Qty: 14)
Appx. price $15