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Indications - Flucloxacillin is indicated for the treatment of infections due to Gram-positive organisms, including infections caused by penicillinase producing staphylococci. These indications include: Skin and soft tissue infections: Boils, abscess, carbuncles, infected skin conditions (e.g. ulcer, eczema, acne, furunculosis, cellulitis, infected wounds, infected burns, otitis media and externa, impetigo). Respiratory tract infections: Pneumonia, lung abscess, empyema, sinusitis, pharyngitis, tonsillitis, quinsy. It is also used for the treatment of other infections i.e. osteomyelitis, enteritis, endocarditis, urinary tract infection, meningitis, septicaemia caused by Flucloxacillin-sensitive organisms. As a prophylactic agent, it is used during major surgical procedures where appropriate; for example, cardiothoracic and orthopedic surgery.

Dosage & Administration - Oral administration: Adult: 250 mg four times daily. Dosage may be doubled in severe infections. In osteomyelitis and endocarditis, up to 8 gm daily is used in 6-8 hourly divided doses. Children (2-10 years): 1/2 of adult dose. Children (Under 2 years): 1/4 of adult dose. Parenteral administration: Adult or Elderly: Intramuscular Injection: 250 mg four times daily. Intravenous Injection: 250 mg-1 g four times daily by slow injection over 3 to 4 minutes or by intravenous infusion. All systemic doses may be doubled in severe infections: doses up to 8 g daily have been suggested for endocarditis or osteomyelitis. Children: 2-10 years: half of the adult dose. Under 2 years: a quarter of the adult dose. Oral doses should be administered 1 hour before meal.

Side Effects - There have been some common side effects of gastrointestinal tract such as nausea, vomiting, diarrhoea, dyspepsia and other minor gastrointestinal disturbances. Besides these rashes, urticaria, purpura, fever, interstitial nephritis, hepatitis and cholestatic jaundice have been reported.

Contraindications - Flucloxacillin is contraindicated in penicillin hypersensitive patients.

Others - Pregnancy & Lactation US FDA Pregnancy Category of Flucloxacillin is B. There are, no adequate and well-controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if clearly needed. Flucloxacillin have been shown to be excreted in human milk. So, caution should be exercised when Flucloxacillin is administered to a lactating mother. Precautions & Warnings Flucloxacillin should be used with caution in patients with evidence of hepatic dysfunction. Caution should also be exercised in the treatment of patients with an allergic diathesis. Use in Special Populations In severe renal failure (creatinine clearance <10 ml/min), a reduction in dose or an extension of dose interval should be considered. Reconstitution Flucloxacillin has been used in other routes in conjunction with systemic therapy. It has been administered in a dose of 250 mg to 500 mg daily by intraarticular injection, dissolved if necessary in a 0.5% solution of lignocaine hydrochloride, and by intrapleural injection in a dose of 250 mg daily. Using powder for injection, 125 mg-250 mg has been dissolved in 3 ml of sterile water and inhaled by nebuliser four times daily. Storage Conditions Keep in a dry place away from light and heat. Keep out of the reach of children.