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Nitrofurantoin
Nitrofurantoin is an antibiotic commonly used to treat urinary tract infections (UTIs). It works by stopping the growth of bacteria in the urinary tract.
This medication is often prescribed for adults experiencing symptoms of UTIs, such as frequent urination and pain during urination.
Information about Nitrofurantoin
Nitrofurantoin Uses
Nitrofurantoin is primarily used to treat bacterial infections of the urinary tract. It is effective against a variety of bacteria that cause these infections.
- Treatment of uncomplicated urinary tract infections
- Prevention of recurring urinary tract infections
- Management of acute cystitis
- Reducing symptoms associated with UTIs
How Nitrofurantoin Works
Nitrofurantoin works by interfering with the bacterial enzymes responsible for building their cell walls. This action prevents the bacteria from growing and multiplying.
As a result, the bacteria are unable to spread, and the body’s immune system can effectively eliminate the infection.
This antibiotic specifically targets bacteria in the urinary tract, making it particularly useful for UTIs.
Common side effects of Nitrofurantoin
Not everyone experiences side effects with nitrofurantoin, and those that do are often mild and temporary. However, some common side effects include:
- Nausea
- Headache
- Diarrhea
- Dizziness
- Loss of appetite
- Stomach upset
- Fatigue
If you experience any severe or persistent symptoms, it’s important to contact your doctor.
CONTENT DETAILS
Written By
Douglas C. Goldberg, MD
Reviewed By
Philip Schein, MD
Last updated
28 Nov 2025 | 03:00 PM (UTC)
Medicine brands for Nitrofurantoin
- NitrofurantoinDosage: 50mg, 100mgfrom $46.0012 variant(s)
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Expert advice for Nitrofurantoin
- Take nitrofurantoin with food or milk to reduce stomach upset.
- Avoid heavy alcohol consumption while taking this medication.
- Inform your doctor about any other medications you are taking to avoid potential interactions.
- Do not use nitrofurantoin if you have certain kidney conditions without consulting your doctor.
- Monitor for any signs of allergic reactions, such as rash or difficulty breathing, and seek medical help if these occur.
Always consult your doctor if you have any concerns or questions about your treatment.
Frequently Asked Questions
How long does it take for nitrofurantoin to work?
Nitrofurantoin usually starts working within a few days. However, it’s important to complete the full course as prescribed by your doctor.
Can I drink alcohol while taking nitrofurantoin?
It’s best to avoid heavy alcohol consumption while taking nitrofurantoin to prevent potential interactions and side effects.
Is nitrofurantoin safe for everyone?
Nitrofurantoin is generally safe for most adults, but it may not be suitable for those with certain kidney conditions or allergies. Always consult your doctor before starting treatment.
What should I do if I miss a dose?
If you miss a dose, take it as soon as you remember. If it’s almost time for your next dose, skip the missed dose and resume your regular schedule. Do not double the dose.
Can nitrofurantoin be used for other types of infections?
Nitrofurantoin is specifically used for urinary tract infections and is not typically used for other types of infections.