Product image of Levofloxacin supplied by GNH India

Levofloxacin

Active Ingredient:
Levofloxacin
Origin:
EU

Levofloxacin

Levofloxacin, the active ingredient in Levofloxacin, is a Fluoroquinolone antibiotic presented as a tablet for oral use. It treats a range of bacterial infections in adults and children as prescribed.

GNH India supplies Levofloxacin as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Kent Pharma Uk Limited

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Indications & Clinical Uses

Levofloxacin is indicated for several bacterial infections affecting the respiratory, urinary and skin systems.

  • Community‑acquired pneumonia: eradicates the causative pathogens and improves lung function.
  • Acute bacterial sinusitis: relieves sinus inflammation by eliminating the infecting bacteria.
  • Acute exacerbation of chronic bronchitis: reduces bacterial load and shortens symptom duration.
  • Uncomplicated urinary tract infections: clears the infection and prevents recurrence.
  • Skin and skin structure infections: treats cellulitis, abscesses and other bacterial skin conditions.

How It Works

  • Levofloxacin inhibits bacterial DNA gyrase and topoisomerase IV, enzymes essential for DNA replication and transcription. By binding to these targets, it prevents the unwinding and resealing of DNA strands, leading to bacterial cell death and suppression of bacterial proliferation.

Side Effects

Levofloxacin may cause a range of adverse reactions, from mild to severe.

Common Side Effects

  • Nausea: mild to moderate stomach upset.
  • Diarrhea: loose stools, sometimes watery.
  • Headache: transient cranial discomfort.
  • Dizziness: sensation of light‑headedness.
  • Insomnia: difficulty falling or staying asleep.
  • Abdominal pain: cramping or discomfort.

Serious or Rare Side Effects

  • Tendon rupture: sudden tendon pain or loss of function.
  • QT interval prolongation: risk of cardiac arrhythmias.
  • Severe allergic reaction: rash, swelling, or anaphylaxis.
  • Clostridioides difficile infection: severe colitis after antibiotic use.
  • Peripheral neuropathy: numbness or tingling in extremities.
  • Hepatic toxicity: elevated liver enzymes or jaundice.

Precautions & Warnings

Before prescribing Levofloxacin, clinicians should consider several safety measures.

  • Assess renal function: adjust dose in patients with impaired kidneys.
  • Review history of tendon disorders: avoid use in those with recent tendon injury.
  • Avoid concomitant NSAIDs when possible: reduces risk of tendon complications.
  • Monitor QT interval: especially in patients with cardiac disease or electrolyte imbalance.
  • Use with caution in pregnancy: safety category is unknown, weigh benefits against risks.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Levofloxacin can interact with other medicines, altering effectiveness or safety.

Major Interactions (Avoid)

  • Antacids containing magnesium or aluminum: reduce levofloxacin absorption.
  • Warfarin: may increase anticoagulant effect and bleeding risk.
  • Theophylline: elevated plasma levels can cause toxicity.

Moderate Interactions (Monitor Closely)

  • NSAIDs: combined use may increase risk of central nervous system stimulation.
  • Corticosteroids: together may heighten tendon rupture risk.

Frequently Asked Questions

Levofloxacin is prescribed for a variety of bacterial infections, including community‑acquired pneumonia, acute bacterial sinusitis, exacerbations of chronic bronchitis, uncomplicated urinary tract infections, and skin and skin‑structure infections. The specific indication depends on the pathogen susceptibility and the clinical judgment of the prescriber.

Levofloxacin blocks bacterial DNA gyrase and topoisomerase IV, enzymes that are essential for DNA replication and transcription. By inhibiting these enzymes, the drug prevents bacterial cells from duplicating their genetic material, leading to bacterial death and resolution of the infection.

The dosage of Levofloxacin is individualized by the treating physician based on the infection type, severity, patient age, renal function, and other clinical factors. Only a qualified prescriber can determine the appropriate dose and treatment duration.

Levofloxacin’s pregnancy category is listed as unknown, and safety data are limited. It should only be used during pregnancy or lactation when the potential benefit justifies any potential risk to the fetus or infant, and after a careful risk‑benefit assessment by the healthcare provider.

To request Levofloxacin, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any cold‑chain requirements) and necessary import documentation.

Levofloxacin is a third‑generation fluoroquinolone offering broad‑spectrum activity against Gram‑positive and Gram‑negative bacteria. Compared with older fluoroquinolones, it provides once‑daily dosing and enhanced activity against respiratory pathogens, but it shares class‑related safety considerations such as tendon toxicity and QT prolongation.

Levofloxacin tablets should be stored at room temperature, below 25 °C, in the original packaging to protect them from moisture and light. Keeping the product in a dry, cool place helps maintain its potency throughout its shelf life.

Levofloxacin is supplied as an oral tablet and is taken by mouth with or without food, as directed by the prescriber. The tablet should be swallowed whole with a full glass of water and not crushed or chewed unless specifically instructed.

Serious risks include tendon rupture, especially in the Achilles tendon, QT interval prolongation leading to arrhythmias, severe allergic reactions such as anaphylaxis, Clostridioides difficile‑associated diarrhea, peripheral neuropathy, and hepatic injury. Patients should be advised to seek immediate medical attention if they experience any of these symptoms.

Levofloxacin is contraindicated in patients with a known hypersensitivity to fluoroquinolones or any of the tablet’s excipients. It should also be avoided in individuals with a history of tendon disorders related to fluoroquinolone use, and used with caution in patients with cardiac arrhythmias, uncontrolled epilepsy, or severe renal impairment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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