Free tool
Can I eat this with Nitrofurantoin?
Taking nitrofurantoin with food or milk helps the medicine work better, and magnesium-containing antacids can stop it being absorbed properly.
Also sold as Furadantin, Genfura, Macrobid, Macrodantin, Urantoin. Brand names from the NHS Dictionary of Medicines and Devices.
Type any food below for an instant verdict — we check 6 foods and drinks for Nitrofurantoin (0 to avoid, 5 to take care with) — or tap one below.
Quick answers
- Should I take Nitrofurantoin with food?
- Best taken with food.
- Can I eat antacids with Nitrofurantoin?
- Yes, with care. Antacids with magnesium trisilicate can cut how much nitrofurantoin you absorb, so ask a pharmacist how to space them.
Grounded in the checker below. Not a substitute for your pharmacist.
1 · What do you take?
Taking nitrofurantoin with food or milk helps the medicine work better, and magnesium-containing antacids can stop it being absorbed properly.
You can eat and drink as normal while taking nitrofurantoin, and it is best taken with food. Milk or a meal helps the medicine work. Antacids containing magnesium trisilicate can reduce how much is absorbed.
Browse our medication food guides →2 · What do you want to eat or drink?
When to take it: Best taken with food.
Tap a food to see the answer, or type any food or drink in the box above.
Take care with Nitrofurantoin· 5
Fine with Nitrofurantoin· 1
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This checker summarises published guidance (NHS medicine pages, patient information leaflets and drug labels) for general information only. It is not medical advice, it is not exhaustive, and it cannot account for your dose, kidney function, other medicines, or health conditions. Always follow your prescriber, pharmacist, or the patient information leaflet — especially before changing what you eat or drink. See our editorial policy.
Further reading on Nitrofurantoin
The pages our answers quote. Every answer shows “Where this comes from” with the exact words, checked 19 October 2026. How we check
NHS website
Nitrofurantoin: a medicine to treat urinary tract infections (UTIs)
NHS information about the medicine nitrofurantoin, including what it's used for, who can take it, how to take it and side effects.
US FDA drug label
US FDA drug label: Nitrofurantoin
The official US prescribing information for Nitrofurantoin, including how food, drink and other medicines affect it.
The Journal
Read our medication food guides →
A full Nitrofurantoin guide is on its way. Meanwhile, the Journal covers timing, grapefruit, alcohol and more.
Food groups that matter with Nitrofurantoin
Every medicine each one affects, on one page.
Medicines with similar food rules
Affected by the same foods as Nitrofurantoin.