Compare Urispas vs. Nitrofurantoin

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Treats urinary tract infections.

Macrobid (Nitrofurantoin) works best in young, otherwise healthy females. It shouldn't be used by children, the elderly, or people with kidney problems.

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  • Macrobid (Nitrofurantoin) works well to treat urinary tract infections.
  • Young and otherwise healthy females have the best results when taking Macrobid (Nitrofurantoin).
  • It's not too common, but you can get a test done that'll show if Macrobid (Nitrofurantoin) will work for you.
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  • Shouldn't be used for a long period of time.
  • Can't be used in children under 12 years old.
  • Interacts with drugs like probenecid and sulfinpyrazone.
  • Can't be used if you have kidney problems or don't urinate often (the medication could build up and cause toxicity).
Used for
  • Disorder of the urinary system
  • Symptomatic relief for cystitis
  • Urethritis
  • Prostatitis
  • Urethritis
  • Or urethrocystitis/urethrotrigonitis
Dosage forms
  • Pill
  • Pill
  • Liquid
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Side effects
The Urispas (Flavoxate) FDA package insert doesn’t have numbers about how common side effects are.
3possible side effects
  • Nausea
  • Headache
  • Gas
See more detailed side effects
Risks and risk factors
No information currently available
  • Birth defects
    • Pregnant women
    • Newborn babies
  • Kidney damage
    • History of kidney disease
  • Liver damage
    • History of liver disease
  • Diarrhea from a superinfection
    • Long antibiotic treatment period
See more detailed risks and warnings