Onefix (Cefixime)

Onefix (Cefixime)

Description:

Cefixime is a semi-synthetic, broad spectrum cephalosporin antibiotic of third generation for oral administration. It is a bactericidal antibiotic, kills bacteria by interfering in the synthesis of the bacterial cell wall. Cefixime is highly stable in the presence of beta-lactamase enzymes. Cefixime has marked in-vitro bactericidal activity against a wide variety of Gram-positive and Gram-negative organisms including beta lactamase producers.

Clinical efficacy of Cefixime has been demonstrated in infections caused by commonly occurring pathogens including Gram-positive organism Streptococcus pneumoniae, Streptococcus pyogenes, Gram-negative organism Escherichia coli, Proteus mirabilis, Klebsiella spp., Haemophilus influenzae (beta-lactamase positive and negative), Moraxella catarrhalis (beta-lactamase positive and negative), Salmonella typhi and Enterobacter species.

Indications and Uses:

Onefix is indicated in the following infectious diseases -

Respiratory Tract Infections:

Pneumonia

Sinusitis

Pharyngitis and Tonsillitis

Acute Bronchitis and Acute Exacerbations of Chronic Bronchitis (AECB)

Otitis Media

Typhoid Fever

Urinary Tract Infection

Uncomplicated gonorrhea (cervical/urethral)

Dosage and Administration:

The usual treatment of Onefix is 7 days. This may be continued for up to 14 days according to the severity of infection.

Side-effects

Cefixime is generally well tolerated. The majority of adverse reactions observed in clinical trials are mild and self limiting in nature.

Gastro-intestinal disturbance: Diarrhoea (if severe diarrhoea occurs, Cefixime should be discontinued), changes in the color of stool, nausea, abdominal pain, dyspepsia, vomiting, flatulence have been reported.

CNS disturbances: Headache, dizziness.

Others: Hypersensitivity reactions which usually subsided upon discontinuation of therapy; infrequent and reversible hematological changes; elevation of serum amylase.

Precautions

Cefixime should be prescribed with caution in individuals with a history of gastrointestinal diseases, particularly colitis.  Dosage adjustment is only necessary in severe renal failure (creatinine clearance < 20 ml/min)

Use in Pregnancy and Lactation

Pregnancy: Pregnancy category 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.

Lactation: It is not known whether Cefixime is excreted in human milk. Consideration should be given to discontinuing nursing temporarily during treatment with this drug.

Use in Elderly

No special precautions are necessary. No dosage adjustment is required for elderly.

Contraindication

Patients with known hypersensitivity to Cefixime or cephalosporin group of drugs.

Drug Interactions

Carbamazepine: Elevated carbamazepine levels have been reported in postmarketing experience when Cefixime is administered concomitantly. Drug monitoring may be of assistance in detecting alterations in carbamazepine plasma concentrations.

Warfarin and Anticoagulants: Increased prothrombin time, with or without clinical bleeding, has been reported when cefixime is administered concomitantly.

Direction for Reconstitution of Suspension

uTo prepare 50 ml suspension, 30 ml boiled and cooled water is required.

uTo prepare 30 ml suspension, 20 ml boiled and cooled water is required.

Commercial Pack

Onefix 200 Capsule: Box containing 2 Alu-Alu blister strips of 6 capsules.

Onefix 400 Capsule: Box containing 2 Alu-Alu blister strip of 4 capsules.

Onefix 30 ml Powder for Suspension: Bottle containing powder for the preparation of 30 ml suspension.

Onefix 50 ml Powder for Suspension: Bottle containing powder for the preparation of 50 ml suspension.