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Flucloxacillin 250/500 mg capsules

Last Updated on eMC 18-Aug-2011 View changes  | Aurobindo Pharma - Milpharm Ltd. Contact details

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Text only version for the visually impaired
Below is a text only representation of the Patient Information leaflet. The original may contain images or tables and can be viewed in PDF format using the link to the left. This PIL may be available from the RNIB in large print, Braille or audio CD. For further information please call the RNIB Medicine Leaflet line on 0800 198 5000. The product code(s) for this leaflet is/are: PL 16363/0041, PL 16363/0042.

Flucloxacillin 250/500 mg capsules


Flucloxacillin 250mg Capsules BP

Flucloxacillin 500mg Capsules BP

(flucloxacillin sodium)

Read all of this leaflet carefully before you start taking this medicine.

  • Keep this leaflet. You may need to read it again.
  • If you have any further questions, ask your doctor or pharmacist.
  • This medicine has been prescribed for you. Do not pass it on to others. It may harm them, even if their symptoms are the same as yours.
  • If any of the side effects gets serious, or if you notice any side effects not listed in this leaflet, please tell your doctor.

In this leaflet:

1. What Flucloxacillin Capsules are and what they are used for
2. Before you take Flucloxacillin Capsules
3. How to take Flucloxacillin Capsules
4. Possible side effects
5. How to store Flucloxacillin Capsules
6. Further information


Flucloxacillin sodium belongs to a class of antibiotics called "penicillinase-resistant penicillins" and is used to treat bacterial infections including:

Skin and soft tissue infections

  • Boils, abscesses, carbuncles (A painful localized bacterial infection of the skin and subcutaneous tissue that usually has several openings through which pus is discharged.)
  • Furunculosis (A skin condition characterized by the development of recurring boils.)
  • Cellulitis (inflammation of tissue below the skin)
  • Infected skin conditions e.g. ulcer, eczema, and acne
  • Infected wounds, infected burns
  • Protection for skin grafts
  • Impetigo (a contagious skin disease, esp. of children, usually caused by streptococcal bacteria, marked by a superficial pustular eruption, particularly on the face.)

Respiratory tract infections

  • Pneumonia (inflammation of the lungs with congestion.), lung abscess, empyema (a collection of pus in a body cavity, especially in the lung cavity)
  • Sinusitis (inflammation of a sinus or the sinuses.)
  • Pharyngitis (inflammation of the mucous membrane of the pharynx; sore throat)
  • Tonsillitis (inflammation of the tonsils).
  • Quinsy (tonsillar abscess.)
  • Otitis media (inflammation of middle ear)
  • Otitis Externa (Inflammation of the external auditory canal)

Other infections

  • Osteomyelitis (affecting the bone and bone marrow)
  • Enteritis (affecting the intestinal tract, especially the small intestine)
  • Endocarditis (inflammation of the lining of the heart and its valves),
  • Urinary tract infections
  • Meningitis (a serious disease characterised by inflammation of the membranes around the brain or spinal cord)
  • Septicaemia (blood poisoning).

Flucloxacillin capsules can also be used to prevent infections during major surgery, particularly heart or orthopaedic surgery.


Do not take Flucloxacillin Capsules if you:

  • Are allergic (hypersensitive) to penicillins/flucloxacillin sodium or any of the other ingredients in the product (see Section 6 and end of Section 2)
  • Have previous history of liver problems from taking flucloxacillin.

Take special care with Flucloxacillin Capsules

Speak to your doctor if you have:

  • age over 50 years old
  • any serious illness other than infection
  • Impaired kidney function
  • Liver problems.

Taking other medicines

Please inform your doctor if you are taking or have recently taken any other medicines, including those obtained without a prescription, particularly:

  • Oral contraceptives (You will need to use extra contraceptive precautions such as a condom)
  • Probenecid (used in the treatment of gout).

Taking Flucloxacillin Capsules with food and drink

The capsules should be administered half to one hour before meals.

Pregnancy and breast-feeding

Flucloxacillin Capsules should only be used by pregnant women if considered essential by the doctor. Flucloxacillin passes into breast milk, so ask your doctor for advice before taking any medicine.

Driving and using machines

Flucloxacillin Capsules are not expected to affect your ability to drive or operate machinery.

Important information about some of the ingredients of Flucloxacillin Capsules

Flucloxacillin Capsules contain approximately 51mg of sodium per g. This is particularly important if you are on a reduced salt diet.


Always take the capsules exactly as your doctor has told you. The pharmacist's label should tell you how much to take and how often.

For oral use only.

Swallow the capsule whole with water, do not chew them, half to one hour before meal.

Adults: one 250mg capsule four times a day, your doctor may prescribe a different dose for severe infections.

Osteomyelitis, endocarditis: up to 8g a day in divided doses (every 6-8 hours)

To prevent infection due to surgery- 1 to 2g by injection into a vein, at the same time as the anaesthetic, followed by 500mg six hourly either by mouth or injection into a vein or muscle for up to 72 hours.

Elderly: Same doses as for adults.

During prolonged treatments, regular monitoring of hepatic and renal functions is recommended

Patients with severe kidney impairment: Lower doses may be used.

Children (2-10 years): One half of the adult dose taken in syrup form.

Under 2 years: Quarter adult dose taken in syrup form.

Make sure you complete your prescribed course; do not stop taking Flucloxacillin Capsules if you feel better.

If you take more Flucloxacillin Capsules than you should

Contact your doctor or nearest hospital casualty department if you or a child have swallowed too much medicine. Take this leaflet and any remaining capsules with you, if possible. Symptoms of overdose include nausea, vomiting, diarrhoea.

If you forget to take Flucloxacillin Capsules

If you miss a dose, take the capsules as soon as you remember and carry on as before. If it is almost time for your next dose, skip the forgotten dose and continue as usual.

If you still feel unwell after finishing the treatment or have further any questions on use of products, ask your doctor.


Like all medicines, Flucloxacillin Capsules can cause side effects, although not everybody gets them.

You may suffer an allergic reaction, symptoms of which include rash, itching, difficulty in breathing or swelling of the face, lips, throat or tongue. If this happens to you, stop taking the capsules immediately and seek medical help.

The following have also been reported:

VERY RARE SIDE EFFECTS: (occurs in lesst than 1 in 10,000 users)

  • Blood abnormalities i.e. neutropenia and thrombocytopenia Haemolytic anaemia
  • Anaphylactic Shock (severe allergic reaction)
  • Angioneurotic Oedema (rapid swelling)
  • Pseudomembranous colitis (type of inflammation of the colon)
  • Hepatitis (inflammation of the liver) and cholestatic jaundice (yellowing of the skin and whites of the eyes)
  • Changes in liver function tests
  • Erythema multiforme (a red rash caused by hypersensitivity to a drug or disease or other allergen),
  • Stevens-Johnson syndrome (severe inflammatory eruption of the skin) and toxic epidermal necroylsis (skin that resembles burns)
  • Arthralgia (pain in a joint) and myalgia (pain in the muscles).
  • Interstitial nephritis (Nephritis in which the interstitial connective tissue is chiefly affected)
  • Fever

COMMON SIDE EFFECTS: (occurs in less than 1 in 10 users)

  • Minor gastrointestinal disturbances E.g.: Diarrhoea nausea and Vomiting

UNCOMMON SIDE EFFECTS: (occurs less than 1 in 1000 users)

  • Rash
  • Urticaria (itchy skin eruption)
  • Purpura (brownish-red spots on the skin)

If any of the side effects gets serious, or if you notice any side effects not listed in this leaflet, please tell your doctor.


Keep out of the reach and sight of children.

Do not store above 25°C. Store in the original pack and keep tightly closed.

Do not use the capsules after the expiry date is stated on the label.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help to protect the environment.


What Flucloxacillin Capsules contains

The active substance is flucloxacillin sodium, 250mg or 500mg per capsule.

The other ingredients are:

  • Magnesium stearate (E572), Colloidal anhydrous silica.
  • Body- red iron oxide (E172), yellow iron oxide (E172), titanium dioxide (E171), gelatin.
  • Cap - black iron oxide (E172), titanium dioxide (E171), gelatin.
  • Ink components - titanium dioxide (E171), shellac (E904), industrial methylated spirits, soya lecithin, dimethyl siloxane, mono- and di-glycerides of fatty acids (E471), methyl cellulose, polyethylene glycol stearate, xanthan gum, benzoic acid, polyethylene glycol, sorbic acid.
    See Section 2 'Important information about some of the ingredients of Flucloxacillin Capsules'.

What Flucloxacillin Capsules look like and contents of the pack

The capsules are hard gelatin, elongated with caramel body and black cap printed with 'FLU250MIL' for the 250mg strength, or 'FLU500MIL' for the 500mg strength. They are available in white plastic containers containing 14, 28, 100, 250, 500 and 1000 capsules, or blister strips of 14, 28 and 100 capsules (not all pack sizes may be marketed).

Marketing Authorisation Holder

Milpharm Limited
Odyssey Business Park
West End Road
South Ruislip
United Kingdom


Milpharm Limited
Odyssey Business Park
West End Road
South Ruislip
United Kingdom

APL Swift Services (Malta) Ltd.
Hal Far Industrial Estate
Hal Far
Birzebbugia BBG 3000

This leaflet was last revised in 04/2011.

Company contact details

Aurobindo Pharma - Milpharm Ltd.

Company image

Odyssey Business Park, Ares Block, West End Road, South Ruislip, Middlesex, HA4 6QD


+44 (0)208 845 8735

Medical Information e-mail
Medical Information Fax

+44 (0)208 845 8795


+ 44 (0)208 845 8811

Medical Information Direct Line

+44 (0)208 099 9668

Customer Care direct line

+44 (0)208 845 8811

Before you contact this company: often several companies will market medicines with the same active ingredient. Please check that this is the correct company before contacting them. Why?

Active ingredients

flucloxacillin sodium

Legal categories

POM - Prescription Only Medicine

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