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ETHTAZ-4.5GM

Piperacillin & Tazobactam for Injection USP 4.5gm

PACKING SIZE / TYPE

4.5GM IV INJECTION

Summary

ETHTAZ-4.5GM is a combination antibiotic formulation comprising Piperacillin (4gm) and Tazobactam (0.5gm) for injection. This medication is used to treat a variety of bacterial infections by inhibiting bacterial growth and enhancing the efficacy of the antibiotic. The inclusion of Tazobactam protects Piperacillin from being broken down by beta-lactamase enzymes produced by bacteria, making it effective against resistant strains.

Side Effects

Common side effects may include:

  • Nausea or vomiting

  • Diarrhea

  • Rash or itching

  • Headache

  • Fever

Severe side effects (rare):

  • Allergic reactions (e.g., swelling, difficulty breathing)

  • Severe diarrhea (indicative of Clostridioides difficile infection)

  • Abnormal liver function tests

  • Neutropenia (low white blood cell count)

Usage

  • Administered via intravenous injection.

  • Typically given in a hospital setting under medical supervision.

  • The duration and dosage depend on the severity and type of infection.

Concerns

  • Regular monitoring of renal and liver function is advised, especially for prolonged usage.

  • Risk of superinfection with prolonged use or misuse.

When not to use?

  • Known allergy to Piperacillin, Tazobactam, or other beta-lactam antibiotics (e.g., penicillins, cephalosporins).

  • Patients with a history of severe allergic reactions (e.g., anaphylaxis) to antibiotics.

Warnings

  • Hypersensitivity Reactions:

    • Always perform a skin test or allergy assessment before administration.

  • Renal Impairment:

    • Dose adjustment is required for patients with kidney dysfunction.

  • Pregnancy and Lactation:

    • Use during pregnancy only if clearly needed.

    • Caution is advised if used while breastfeeding.

  • Interactions with Medications:

    • May interact with aminoglycosides, anticoagulants, or methotrexate, potentially altering their effects.

Dosage

  • Adults: 4.5gm every 6-8 hours, depending on the infection severity.

  • Renal Impairment: Adjust dose based on creatinine clearance levels.

  • Administer over 30 minutes via intravenous infusion.

Interactions

  • Aminoglycosides: Increased nephrotoxicity risk when co-administered.

  • Anticoagulants (e.g., warfarin): Enhanced anticoagulant effect, increasing bleeding risk.

  • Probenecid: Prolongs Piperacillin and Tazobactam serum levels.

General Instructions

  • Administer ETHTAZ-4.5GM under strict medical supervision.

  • Ensure proper hydration to avoid renal toxicity.

  • Complete the full course of therapy even if symptoms improve to prevent antibiotic resistance.

  • Dispose of unused medication as per local medical waste guidelines.

Other Details

  • Storage: Store in a cool, dry place at 20°C to 25°C (68°F to 77°F). Protect from light and moisture.

  • Packaging: Available as a single-dose vial for intravenous administration.

  • Formulation: Sterile powder for reconstitution.

References

  • Clinical guidelines for Piperacillin-Tazobactam use in bacterial infections (2023).

  • Product monograph: Piperacillin and Tazobactam for Injection USP, latest edition.

  • CDC Guidelines on the treatment of multi-drug resistant bacterial infections (2023).

  • WHO Essential Medicines List: Beta-lactam/beta-lactamase inhibitor combinations.

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