Nitrofurantoin
Nitrofurantoin is an antibiotic used for selected lower urinary-tract infections. Listed uses include Cystitis and Urinary Tract Infection.
Medicines containing Nitrofurantoin
Furadantin
Cystitis, Urinary Tract Infection
50 · 100mg
Nitrofurantoin 50mg and 100mg tablets, used for cystitis and urinary tract infection. Bacterial flavoproteins reduce it to reactive intermediates.
Key points
- It does not treat every UTI and is unsuitable for suspected kidney infection.
- Kidney function and duration affect lung, liver and nerve risks.
- Breathlessness, jaundice or fever with flank pain needs urgent care.
Select a listed product and pack to order online. Ask your doctor or pharmacist whether it suits you and what monitoring it needs.
Important safety checks
Kidney function, pregnancy stage, lung or liver disease and recurrent infection require review.
When to seek urgent care
Seek urgent help for fever with flank pain, new breathlessness or cough, jaundice, severe weakness or a serious allergic reaction.
Further reading
FAQ
What is nitrofurantoin used for?
Nitrofurantoin is an antibiotic used for some lower urinary tract infections, including cystitis. It does not treat every UTI and is not suitable if a kidney infection is suspected.
How does nitrofurantoin work?
Nitrofurantoin damages bacterial DNA in susceptible organisms, which stops them growing in the urinary tract.
What nitrofurantoin products does SGMeds list?
Products containing nitrofurantoin on SGMeds include Macrobid and Furadantin. Compare their forms, strengths and pack sizes.
What are the side effects of nitrofurantoin?
Common side effects include nausea and headache, and some people get diarrhoea or abdominal pain. Serious side effects include lung fibrosis, liver damage and nerve damage, which need urgent medical attention.
Can nitrofurantoin be taken with other medicines?
Nitrofurantoin can interact with magnesium trisilicate and a gout medicine (probenecid). Tell your doctor or pharmacist if you take either of these.
What brand names is nitrofurantoin sold under?
In other countries, nitrofurantoin is also sold as Macrodantin. Brand names vary between countries, so compare products by their active ingredient.
How is nitrofurantoin priced?
Each product on this page shows a price for each strength and pack size in Singapore dollars, converted from US dollars, so the exchange rate can change the final amount. Larger packs usually cost less per tablet.
Payment and prices →Can I buy nitrofurantoin over the counter in Singapore?
Yes, online. SGMeds does not ask for a prescription to order nitrofurantoin: we place the order with our pharmacy partner, which prepares it and arranges delivery on your behalf.
Ordering without a prescription →Do you deliver nitrofurantoin to Singapore?
Yes. We deliver to Singapore and Malaysia. Express shipping is tracked and takes up to 1 week, and Regular shipping takes up to 3 weeks.
How ordering works →Last updated