Torbac 4.5gm Injection

Side Effects of Torbac 4.5gm Injection

Diarrhoea, skin rashes, occasionally platelet mediated bleeding, rigors, malaise, ulcerative stomatitis. Inj-site reactions such as pain, erythema, induration and thrombophlebitis. Potentially Fatal: Serious, anaphylactic reactions.

Drug Interactions

Probenecid prolongs half lives of piperacillin and tazobactam. Increased risk of methotrexate toxicity when used together. Potentially Fatal: Interacts with heparin and other oral anticoagulants. Prolongs the neuromuscular blockade of vecuronium and non-depolarizing muscle relaxants.

Contraindications

Hypersensitivity.

Mechanism of Action

Piperacillin has an antimicrobial activity against a wide range of gm-ve organisms including K. pneumoniae, P. aeruginosa, Enterobacteriaceae and against gm+ve organisms eg E. faecalis and B. fragilis. Tazobactam is a penicillanic acid sulfone derivative with beta-lactamase inhibitory properties. In combination, tazobactam enhances the activity of piperacillin against beta-lactamase-producing bacteria. Distribution: Piperacillin and tazabactam: 30% bound to plasma proteins. Widely distributed into body tissues and fluids. Metabolism: Piperacillin: metabolised to a desethyl metabolite. Tazobactam: metabolised to a single metabolite that lacks pharmacological and antibacterial activities. Excretion: Half-life of piperacillin and tazobactam ranges from 0.7-1.2 hr. Eliminated via kidney by glomerular filtration and tubular secretion. Piperacillin: 68% excreted unchanged in urine.Tazobactam: 80% excreted unchanged in urine.

Special Precautions

Pregnancy and lactation, pseudomembranous colitis. Assess hematopoietic function periodically. Perform periodic electrolyte determinations in patients with low K reserves. Increased risk of fever and rash in patients with cystic fibrosis. Increased risk of bleeding manifestations. Prolonged treatment may increase risk of superinfections. Convulsions or neuromuscular excitability may occur when high doses are used, especially in renally impaired patients. Renal impairment.

How to Use

Take orally with food and water, as directed by your physician.

How to Store

Keep in a cool, dry place away from sunlight and moisture.

Safety Concerns

• Alcohol: Avoid during treatment.
• Breastfeeding: Not recommended.
• Pregnancy: Contraindicated.
• Liver/Kidney: Use with caution.

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