17/11/2025
πΉ Moxifloxacin is a 4th-generation fluoroquinolone antibiotic with broad-spectrum activity.
It works by inhibiting DNA gyrase and topoisomerase IV, blocking bacterial DNA replication β making it bactericidal.
π Uses:
β’ Community-acquired pneumonia (CAP)
β’ Acute bacterial sinusitis
β’ Chronic bronchitis exacerbations
β’ Skin & soft tissue infections
β’ Intra-abdominal infections
β’ Tuberculosis (2nd line)
β οΈ Avoid use in:
β Children under 18 years
β Pregnancy & lactation
β QT prolongation & Myasthenia gravis
π Dose:
β‘οΈ Adults: 400 mg once daily (oral/IV) for 5β10 days
β‘οΈ Pediatrics: Not recommended (risk of cartilage toxicity)
π§« Spectrum:
β
Gram +ve (esp. S. pneumoniae)
β
Gram βve (H. influenzae, M. catarrhalis)
β
Atypicals (Mycoplasma, Chlamydia, Legionella)
β
Anaerobes (better than other fluoroquinolones)
π‘ Special Note: Excellent oral bioavailability β 100%. No renal dose adjustment required.
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β οΈ Disclaimer:
This content is for educational purposes only. Always consult a qualified healthcare professional before prescribing or taking any medication.
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