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Flucloxacillin Fact Card


Brand Names Floxacillin, Floxapen
Used For Treatment of bacterial infections (chest, skin, ears)
Doseage Depends on infection severity. Usually needs to be taken 4 times a day.
Side Effects Common: feeling sick, diarrhoea Serious: Liver inflammation
Warnings Avoid if you have liver problems Avoid if you are allergic to penicillin
Pregnancy Safe in pregnancy

Flucloxacillin is an a type of antibiotic and belongs to the Penicillin family. 

What is Flucloxacillin used to treat?

It is a commonly used antibiotic and is often used to treat skin and wound infections. It can also be used to treat some chest infections (pneumonia), bone infections and ears infections. 

How does Flucloxacillin work?

It acts to kill the bacteria that area causing the infection. 

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How do I take Flucloxacillin?

The dosage may vary depending on the severity of the infection being treated. Usually one or two tablets are taken four times a day to complete a course of 7-10 days. 

Side effects of Flucloxacillin

The commonest side effect is nausea or diarrhoea. 

More serious side effects include causing irritation of the liver. Therefore if you already have liver problems if is important you let your doctor know if they are prescribing you antibiotics. 

flucloxacillin side effects

Things to avoid

Do not take flucloxacillin if you are allergic to penicillin.  

It is best to take flucloxacillin on an empty stomach to maximise how much of the medication is absorbed into your system. 

Avoid stopping the tablets before you have finished the course - it is important to complete the course that you are prescribed unless you are experiencing problems with the tablets. 

Flucloxacillin and alcohol

Drinking alcohol will not affect Flucloxacillin

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Can I take Flucloxacillin when pregnant?

Flucloxacillin can be taken by pregnant women. 

Flucloxacillin and breastfeeding

Flucloxacillin can be taken by women who are breastfeeding. It is an antibiotic that is often used to treat mastitis which is a common infection in breastfeeding women. 

flucloxacillin when breastfeeding

Our doctors are available now and can issue same day prescriptions for all standard medications. To see a GP regarding a prescription for flucloxacillin or for any other reason book an appointment now and start feeling better right away.

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Please note. This site is for information only. If you are taking any medications please follow the instructions given by your doctor. Should you have an adverse reaction to any medication please seek medical advice.

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