Product Information:
LEFLOX 500mg Tablets contain Levofloxacin 500mg, a broad-spectrum fluoroquinolone antibiotic. Levofloxacin inhibits bacterial DNA gyrase and topoisomerase IV—enzymes critical for DNA replication, transcription, and repair—resulting in rapid bactericidal activity.
This standard-strength formulation is widely used for moderate to severe community-acquired infections requiring reliable oral therapy with once-daily dosing.
⚠️ Important Safety Note: Fluoroquinolones like levofloxacin carry Black Box Warnings (FDA/DRAP) for:
- Tendonitis and tendon rupture (especially in elderly or corticosteroid users)
- Irreversible peripheral neuropathy
- Exacerbation of myasthenia gravis
- CNS effects (anxiety, insomnia, seizures)
- Reserve for infections where benefits outweigh risks and no safer alternatives exist.
Uses of (LEFLOX 500MG TABLETS):
- Community-acquired pneumonia
- Acute bacterial sinusitis (when other options are unsuitable)
- Acute exacerbations of chronic bronchitis
- Complicated and uncomplicated urinary tract infections (including pyelonephritis)
- Chronic bacterial prostatitis
- Complicated skin and skin structure infections
Key Benefits of (LEFLOX 500MG TABLETS):
- Once-daily dosing improves adherence
- Excellent penetration into lungs, urine, prostate, and soft tissues
- Activity against Gram-positive, Gram-negative, and atypical pathogens (Legionella, Mycoplasma, Chlamydia)
- Short-course regimens possible (e.g., 7 days for pneumonia)
How To Use (LEFLOX 500MG TABLETS):
- Take once daily with or without food.
- Swallow whole with water—do not crush or chew.
- Avoid taking within 2 hours of dairy products, antacids, iron, calcium, or zinc supplements (they significantly reduce absorption).
- Complete the full prescribed course—even if symptoms improve early.
- Stay well-hydrated to prevent crystalluria.
When Not to Use (LEFLOX 500MG TABLETS):
Do not use if you have:
- Hypersensitivity to levofloxacin or other fluoroquinolones
- History of fluoroquinolone-associated tendon disorders
- Myasthenia gravis
- Pregnancy, breastfeeding, or children/adolescents (risk of cartilage/joint damage)
- Known QT prolongation or concurrent use of QT-prolonging drugs (e.g., amiodarone, erythromycin)
Side Effects of (LEFLOX 500MG TABLETS):
Common: Nausea, headache, diarrhea, dizziness, insomnia.
Serious (discontinue immediately and seek medical help):
- Tendon pain, swelling, or rupture (Achilles tendon most common)—stop at first sign
- Numbness, tingling, burning pain (peripheral neuropathy—may be permanent)
- Worsening muscle weakness or breathing difficulty (myasthenia gravis exacerbation)
- Severe watery or bloody diarrhea (Clostridioides difficile-associated colitis)
- Photosensitivity, hepatotoxicity, QT prolongation, seizures
- Seek emergency care for signs of anaphylaxis or tendon rupture.
Dosage: (LEFLOX 500MG TABLETS):
- Community-acquired pneumonia: 500mg once daily for 7–14 days
- Acute bacterial sinusitis: 500mg once daily for 10–14 days
- Uncomplicated UTI: 500mg once daily for 3 days
- Complicated UTI/pyelonephritis: 500mg once daily for 7–10 days
- Chronic bacterial prostatitis: 500mg once daily for 28 days
- Renal impairment (CrCl <50 mL/min): Dose adjustment required
Who It’s For (LEFLOX 500MG TABLETS):
Adults with moderate to severe bacterial infections where oral fluoroquinolone therapy is clinically justified. Not for viral infections, mild sinusitis, or first-line uncomplicated UTI treatment in areas with high resistance.
Warnings & Precautions:
- Avoid direct sunlight—use sunscreen and protective clothing (risk of phototoxicity)
- Discontinue immediately at first sign of tendon pain or neurological symptoms
- Use extreme caution in elderly patients and those on corticosteroids
- Do not combine with NSAIDs (↑ risk of seizures) or QT-prolonging medications
- Monitor for mood changes, sleep disturbances, or new-onset joint pain
Drug Interactions:
- Antacids, iron, zinc, calcium, sucralfate: ↓ Absorption—administer ≥2 hours apart
- Warfarin: May increase INR—monitor closely
- NSAIDs (e.g., ibuprofen, diclofenac): ↑ Risk of CNS stimulation and seizures
- QT-prolonging drugs: ↑ Risk of torsades de pointes
- Always inform your doctor about all medications and supplements.
Additional Information:
Store below 30°C in a dry place, protected from light and moisture. Keep out of reach of children. Do not use after the expiration date on the blister pack. Available by prescription only in Pakistan.