Free tool
Can I eat this with Flucloxacillin?
Flucloxacillin must be taken on an empty stomach to improve absorption. It can cause nausea and indigestion, which rich or spicy food makes worse.
Also sold as Floxapen, Fluclomix, Ladropen. Brand names from the NHS Dictionary of Medicines and Devices.
Type any food below for an instant verdict — we check 37 foods and drinks for Flucloxacillin (0 to avoid, 9 to take care with) — or tap one below.
Quick answers
- Should I take Flucloxacillin with food?
- Take on an empty stomach: at least 60 minutes before a meal or snack, or at least 2 hours after.
- Can I eat rich or spicy food with Flucloxacillin?
- Yes, with care. Avoid if you feel sick; stick to simple meals instead.
- Can I eat lentils with Flucloxacillin?
- Yes, with care. Try not to eat if you have bloating or indigestion; they can cause wind.
- Can I eat peas with Flucloxacillin?
- Yes, with care. Try not to eat if you have bloating or indigestion; they can cause wind.
- Can I eat beans with Flucloxacillin?
- Yes, with care. Try not to eat if you have bloating or indigestion; they can cause wind.
- Can I eat onions with Flucloxacillin?
- Yes, with care. Try not to eat if you have bloating or indigestion; they can cause wind.
Grounded in the checker below. Not a substitute for your pharmacist.
1 · What do you take?
Flucloxacillin must be taken on an empty stomach to improve absorption. It can cause nausea and indigestion, which rich or spicy food makes worse.
Take flucloxacillin on an empty stomach—at least 60 minutes before or 2 hours after food—to help your body absorb it properly. Swallow capsules whole with a full glass of water and do not lie down straight away. If you feel sick or get indigestion, stick to simple meals and avoid rich or spicy food.
Browse our medication food guides →2 · What do you want to eat or drink?
When to take it: Take on an empty stomach: at least 60 minutes before a meal or snack, or at least 2 hours after.
Tap a food to see the answer, or type any food or drink in the box above.
Take care with Flucloxacillin· 9
Fine with Flucloxacillin· 28
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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 Flucloxacillin
The pages our answers quote. Every answer shows “Where this comes from” with the exact words, checked 24 September 2026. How we check
NHS website
About flucloxacillin
NHS medicines information on flucloxacillin – what it's used for and key facts.
NHS website
Who can and cannot take flucloxacillin
NHS medicines information on who can take flucloxacillin and who may not be able to take it.
NHS website
How and when to take flucloxacillin
NHS medicines information on dosage for flucloxacillin, how to take it and what to do if you miss a dose or take too much.
NHS website
Side effects of flucloxacillin
NHS medicines information on the side effects of flucloxacillin and what you can do to cope.
NHS website
Taking flucloxacillin with other medicines and herbal supplements
NHS medicines information on possible interactions with flucloxacillin and other medicines, herbal remedies and supplements.
The Journal
Read our medication food guides →
A full Flucloxacillin guide is on its way. Meanwhile, the Journal covers timing, grapefruit, alcohol and more.
Food groups that matter with Flucloxacillin
Every medicine each one affects, on one page.