Product Information:
LEFLOX IV 500mg Injection contains Levofloxacin 500mg, a broad-spectrum fluoroquinolone antibiotic. It inhibits bacterial DNA gyrase and topoisomerase IV, disrupting DNA replication and leading to bacterial cell death. This intravenous formulation is used for moderate to severe infections when oral therapy is not feasible or appropriate.
⚠️ Important Safety Note: Fluoroquinolones like levofloxacin carry Black Box Warnings (FDA/DRAP) for:
- Tendonitis and tendon rupture (especially in elderly or on corticosteroids)
- Irreversible peripheral neuropathy
- Exacerbation of myasthenia gravis
- CNS effects (seizures, anxiety, insomnia)
- Reserve for infections with no safer alternatives.
Uses of (LEFLOX IV 500MG INJECTION):
- Hospital-acquired or community-acquired pneumonia
- Complicated urinary tract infections (including acute pyelonephritis)
- Complicated skin and soft tissue infections
- Chronic bacterial prostatitis (when oral switch is planned)
- Intra-abdominal infections (in combination with metronidazole)
- Empirical therapy in febrile neutropenia (in select protocols)
Key Benefits of (LEFLOX IV 500MG INJECTION):
- Rapid bactericidal action with once-daily dosing
- Excellent penetration into lungs, urine, prostate, and inflamed tissues
- Activity against Gram-negative, Gram-positive, and atypical pathogens (Legionella, Mycoplasma)
- Seamless IV-to-oral switch possible (same molecule)
How To Use (LEFLOX IV 500MG INJECTION):
- Administered intravenously by a healthcare professional.
- Infuse over 60–90 minutes (never as IV bolus).
- Dilute in compatible solution (e.g., 0.9% NaCl or 5% dextrose).
- Standard adult dose: 500mg once daily
- Duration: Typically 7–14 days, depending on infection severity
- Hydrate adequately to prevent crystalluria
When Not to Use (LEFLOX IV 500MG INJECTION):
Do not use if you have:
- Hypersensitivity to levofloxacin or other fluoroquinolones
- History of fluoroquinolone-associated tendon disorders
- Myasthenia gravis
- Pregnancy, breastfeeding, or pediatric patients (risk of cartilage damage)
- Prolonged QT interval or concurrent use of QT-prolonging drugs
Side Effects of (LEFLOX IV 500MG INJECTION):
Common: Nausea, headache, diarrhea, injection site reaction, insomnia.
Serious (require immediate discontinuation):
- Tendon pain/swelling (stop at first sign—Achilles most common)
- Numbness, tingling, burning pain (peripheral neuropathy—may be permanent)
- Muscle weakness or breathing difficulty (myasthenia gravis exacerbation)
- Severe diarrhea (Clostridioides difficile-associated)
- QT prolongation, hepatotoxicity, photosensitivity
- Seek emergency care for tendon rupture, seizures, or anaphylaxis.
Dosage: (LEFLOX IV 500MG INJECTION):
- Adults: 500mg IV once daily
- Renal impairment (CrCl <50 mL/min): Reduce dose or extend interval
- Pneumonia/UTI: 7–14 days
- Prostatitis: May continue IV until clinical improvement, then switch to oral
Who It’s For (LEFLOX IV 500MG INJECTION):
Hospitalized adults with moderate to severe bacterial infections requiring parenteral therapy. Not for mild infections or viral illnesses.
Warnings & Precautions:
- Avoid sun exposure—use sunscreen (phototoxicity risk)
- Discontinue at first sign of tendon pain or neuropathy
- Monitor for CNS effects (anxiety, confusion, hallucinations)
- Do not combine with NSAIDs (↑ seizure risk) or QT-prolonging drugs
- Use extreme caution in elderly patients and those on corticosteroids
Drug Interactions:
- Warfarin: ↑ INR—monitor closely
- NSAIDs: ↑ Risk of CNS stimulation and seizures
- QT-prolonging drugs (e.g., amiodarone, erythromycin): ↑ Risk of arrhythmia
- Multivalent cations (Ca²⁺, Mg²⁺, Al³⁺): ↓ Absorption if given orally—less relevant for IV
- Always inform your doctor about all medications.
Additional Information:
Store below 25°C. Protect from light. Do not freeze. Discard if discolored or contains particles. Keep out of reach of children. For hospital use only. Available by prescription in Pakistan.