Product image of Lekoklar (Clarithromycin) supplied by GNH India

Lekoklar

Active Ingredient:
Clarithromycin
Origin:
EU

Lekoklar (Clarithromycin)

Clarithromycin, the active ingredient in Lekoklar, is a macrolide presented as an oral tablet for systemic use. It treats bacterial infections such as community‑acquired pneumonia, acute bacterial sinusitis, skin and soft‑tissue infections, and is used in Helicobacter pylori eradication regimens.
GNH India supplies Lekoklar as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Sandoz Pharmaceuticals D.D.

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Indications & Clinical Uses

Clarithromycin is a macrolide antibiotic indicated for several bacterial infections.

  • Community‑acquired pneumonia: resolves infection and improves respiratory function.
  • Acute bacterial sinusitis: reduces sinus inflammation and clears pathogenic bacteria.
  • Skin and soft‑tissue infections: eradicates susceptible Gram‑positive and some Gram‑negative organisms.
  • Helicobacter pylori eradication: part of combination therapy to eliminate H. pylori infection.

How It Works

  • Clarithromycin binds to the 50S subunit of bacterial ribosomes, blocking the translocation step of protein synthesis. This inhibition prevents elongation of the peptide chain, halting bacterial growth and leading to a bacteriostatic effect against susceptible organisms.

Side Effects

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

Common Side Effects

  • Nausea: mild to moderate stomach upset.
  • Diarrhea: frequent loose stools.
  • Abdominal pain: cramping or discomfort.
  • Taste disturbance: altered or metallic taste.
  • Headache: mild headache episodes.
  • Rash: mild skin erythema.

Serious or Rare Side Effects

  • Hepatotoxicity: elevated liver enzymes or jaundice.
  • QT prolongation: cardiac rhythm disturbances.
  • Severe allergic reaction: anaphylaxis or angioedema.
  • Clostridioides difficile infection: severe colitis.
  • Hematologic abnormalities: neutropenia or thrombocytopenia.

Precautions & Warnings

Before initiating therapy, consider patient‑specific factors and monitor for adverse events.

  • Assess liver function: evaluate hepatic enzymes prior to and during treatment.
  • Evaluate cardiac risk: avoid in patients with known QT prolongation or electrolyte imbalance.
  • Review drug history: check for concomitant use of CYP3A4 inhibitors.
  • Monitor renal function: adjust in severe renal impairment if needed.
  • Counsel on gastrointestinal symptoms: advise hydration and diet modifications.
  • Store below 25°C: keep in the original pack, protect from moisture.

Avoid Interactions

Clarithromycin interacts with several drug classes; some require avoidance while others need close monitoring.

Major Interactions (Avoid)

  • Statins (e.g., simvastatin, lovastatin): risk of rhabdomyolysis.
  • Certain antiarrhythmics (e.g., amiodarone): increased QT prolongation.
  • Ergot derivatives: risk of severe vasospasm.

Moderate Interactions (Monitor Closely)

  • Warfarin: enhanced anticoagulant effect, monitor INR.
  • Theophylline: increased plasma levels, watch for toxicity.
  • Carbamazepine: reduced efficacy of carbamazepine, monitor seizures.

Frequently Asked Questions

Lekoklar, containing clarithromycin, is prescribed for bacterial infections such as community‑acquired pneumonia, acute bacterial sinusitis, skin and soft‑tissue infections, and as part of combination therapy for Helicobacter pylori eradication. The specific indication depends on the prescriber’s assessment of the infection type and severity.

Clarithromycin inhibits bacterial protein synthesis by binding to the 50S ribosomal subunit. This blocks the translocation step of peptide chain elongation, halting bacterial growth and resulting in a bacteriostatic effect against susceptible organisms.

The dosage of Lekoklar is determined by the prescribing clinician based on the infection being treated, patient age, weight, renal and hepatic function, and other clinical factors. Patients should follow the prescriber’s instructions and the label directions.

The safety of clarithromycin in pregnancy and lactation has not been definitively established. Healthcare providers weigh potential benefits against possible risks before prescribing to pregnant or nursing individuals. Patients should discuss any concerns with their prescriber.

To request Lekoklar, 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.

Lekoklar (clarithromycin) shares the macrolide class with drugs like azithromycin and erythromycin. Compared with azithromycin, clarithromycin generally has a broader spectrum against certain Gram‑positive organisms and a higher potential for drug‑drug interactions due to CYP3A4 inhibition. Choice of agent depends on the infection, susceptibility patterns, and patient-specific factors.

Lekoklar should be stored at temperatures below 25°C, in its original packaging, and protected from moisture and direct sunlight. Keeping the product in a dry, cool environment helps maintain its stability and potency throughout its shelf life.

Lekoklar is taken orally, usually with or without food as directed by the prescriber. The tablet should be swallowed whole with a full glass of water. Patients should not crush or chew the tablet unless specifically instructed.

Serious adverse reactions to Lekoklar can include hepatotoxicity, QT interval prolongation leading to cardiac arrhythmias, severe allergic reactions such as anaphylaxis, and Clostridioides difficile‑associated colitis. Patients should seek immediate medical attention if they experience symptoms like jaundice, irregular heartbeat, severe rash, or persistent diarrhea.

Lekoklar is contraindicated in individuals with a known hypersensitivity to clarithromycin, other macrolides, or any of the tablet’s excipients. It should also be avoided in patients with a history of significant QT prolongation, severe hepatic impairment, or those taking medications that have a high risk of dangerous interactions without appropriate monitoring.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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