TAZILIN INJ is a sterile, powder for solution for intravenous (IV) administration. It combines Piperacillin Sodium (a broad-spectrum penicillin antibiotic) and Tazobactam Sodium (a beta-lactamase inhibitor) to enhance antibacterial activity against resistant organisms.
Composition
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Active Ingredients per vial:
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Piperacillin Sodium (equivalent to Piperacillin) – 4 g
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Tazobactam Sodium (equivalent to Tazobactam) – 0.5 g
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Excipients:Â Sodium citrate, sodium bicarbonate (for pH adjustment).
Mechanism of Action
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Piperacillin:
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Inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs).
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Broad-spectrum activity against Gram-positive, Gram-negative, and anaerobic bacteria.
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Tazobactam:
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Irreversibly inhibits beta-lactamase enzymes (produced by resistant bacteria), protecting Piperacillin from degradation.
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Dosage & Administration
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Standard Adult Dose:
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4.5 g (4g Piperacillin + 0.5g Tazobactam) every 6–8 hours via IV infusion (over 30 minutes).
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Severe Infections (e.g., nosocomial pneumonia): Up to 3.375 g every 4 hours or 4.5 g every 6 hours.
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Renal Impairment: Adjust dose based on creatinine clearance (e.g., reduce frequency to 2.25 g every 6–8 hours if CrCl <40 mL/min).
Uses (Indications)
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Severe intra-abdominal infections (e.g., peritonitis).
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Nosocomial pneumonia (hospital-acquired).
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Complicated urinary tract infections (UTIs).
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Skin and soft tissue infections (including diabetic foot infections).
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Septicemia (bloodstream infections).
Storage
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Unreconstituted powder: Store below 25°C, protect from moisture.
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Reconstituted solution: Use immediately (stable for 24 hours at 2–8°C if diluted in compatible IV fluids).
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Do not freeze.
Recommendations
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Administer via slow IV infusion (30 minutes) to avoid vein irritation.
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Monitor renal function, liver enzymes, and blood counts during prolonged therapy.
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Not recommended for MRSA infections (use with vancomycin/linezolid if MRSA is suspected).
Important Note
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Contraindications:Â Hypersensitivity to penicillins, cephalosporins, or beta-lactamase inhibitors.
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Side Effects:Â Diarrhea, rash, elevated liver enzymes, thrombocytopenia, allergic reactions.
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Drug Interactions:
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Probenecid increases Piperacillin levels.
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Anticoagulants (may increase bleeding risk).
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Pregnancy/Lactation:Â Use only if benefits outweigh risks (limited safety data).
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