Flucloxacillin

Medicine Guide
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Drug Class

Antibiotic
(Penicillin, Penicillinase-Resistant)

Common Uses

  • Skin and wound infections
  • Bone infections
  • Ear infections in children

Common Brand Names

Flucloxa, Flux

Overview

Flucloxacillin is an antibiotic.

It's used to treat:

  • skin and wound infections
  • bone infections (osteomyelitis)
  • ear infections in children

Flucloxacillin is only available on prescription in some countries.

It comes as capsules or as a liquid that you swallow. It can also be given by injection, but this is usually done in hospital.

Important Facts

  • Take flucloxacillin on an empty stomach. This means at least 30 to 60 minutes before a meal or snack, and at least 2 hours after.
  • For most infections, you should start to feel better within a few days.
  • The most common side effects are feeling sick (nausea) and diarrhoea.
  • You can drink alcohol while taking flucloxacillin.
  • You can take flucloxacillin during pregnancy or while you're breastfeeding.
  • It's important to keep taking this medicine until you've completed the course, even if you feel better.

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Checked & Approved
Clinical Review Team
Written & Translated
Medical Publishing Team
Last Updated
17 March 2025
Clobetasol
Medicine Guide