Product image of Lekoklar Xl (Clarithromycin) supplied by GNH India

Lekoklar Xl

Active Ingredient:
Clarithromycin
Origin:
EU

Lekoklar Xl (Clarithromycin)

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

Manufacturer / TM Owner

Sandoz D.O.O.

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Indications & Clinical Uses

Clarithromycin is a macrolide antibiotic used to treat a range of bacterial infections.

  • Community‑acquired pneumonia: eliminates the causative bacteria and improves respiratory function.
  • Acute bacterial sinusitis: reduces sinus inflammation and clears infection.
  • Acute exacerbations of chronic bronchitis: controls bacterial overgrowth and eases breathing difficulties.
  • Skin and soft‑tissue infections: eradicates susceptible organisms and promotes wound healing.
  • Helicobacter pylori eradication (in combination therapy): contributes to bacterial clearance as part of a multi‑drug regimen.

How It Works

  • Clarithromycin binds to the 50S subunit of bacterial ribosomes, inhibiting translocation of the peptidyl‑tRNA. This blocks protein synthesis, leading to a bacteriostatic effect against susceptible Gram‑positive, Gram‑negative and atypical organisms. By preventing the formation of essential bacterial proteins, the drug halts bacterial growth and allows the immune system to clear the infection.

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.
  • Altered taste: metallic or bitter sensation.
  • Headache: transient mild headache.
  • Vomiting: occasional emesis.

Serious or Rare Side Effects

  • Hepatic dysfunction: elevated liver enzymes or jaundice.
  • QT interval prolongation: risk of cardiac arrhythmias.
  • Severe allergic reactions: rash, angioedema, or anaphylaxis.
  • Clostridioides difficile colitis: severe diarrhea with pseudomembranous colitis.
  • Stevens‑Johnson syndrome/toxic epidermal necrolysis: life‑threatening skin reactions.
  • Hepatotoxicity: rare cases of liver injury requiring monitoring.

Precautions & Warnings

Before initiating therapy, consider the following precautions.

  • Renal or hepatic impairment: assess function and adjust therapy as needed.
  • Pregnancy and lactation: use only when benefits outweigh potential risks.
  • Concomitant QT‑prolonging drugs: monitor cardiac rhythm closely.
  • Known macrolide allergy: contraindicated due to risk of severe hypersensitivity.
  • Drug interaction review: evaluate all concurrent medications for potential interactions.
  • Store at below 25°C: keep in the original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Clarithromycin interacts with several medicines; careful management is required.

Major Interactions (Avoid)

  • Erythromycin, ketoconazole, cisapride: may cause serious cardiac arrhythmias.
  • Simvastatin, lovastatin: increased statin concentrations leading to myopathy.
  • Pimozide: heightened risk of QT prolongation and ventricular arrhythmias.

Moderate Interactions (Monitor Closely)

  • Warfarin: potential increase in INR and bleeding risk.
  • Theophylline: may raise plasma levels causing toxicity.
  • Carbamazepine: can reduce clarithromycin concentrations, decreasing efficacy.

Frequently Asked Questions

Lekoklar Xl contains clarithromycin, a macrolide antibiotic indicated for community‑acquired pneumonia, acute bacterial sinusitis, acute exacerbations of chronic bronchitis, skin and soft‑tissue infections, and as part of combination therapy for Helicobacter pylori eradication. It is prescribed to treat infections caused by susceptible bacteria in adults and children as determined by a healthcare professional.

Clarithromycin inhibits bacterial protein synthesis by binding to the 50S ribosomal subunit. This blocks the translocation step of peptide chain elongation, resulting in a bacteriostatic effect that stops bacterial growth. The action is effective against a broad spectrum of Gram‑positive, Gram‑negative, and atypical organisms, allowing the immune system to clear the infection.

The dosing regimen for Lekoklar Xl is individualized by the prescribing clinician based on the infection type, severity, patient age, weight, and renal or hepatic function. Healthcare providers determine the appropriate dose, frequency, and duration according to clinical guidelines and patient-specific factors.

Clarithromycin is classified as a pregnancy‑category drug where use is recommended only when the potential benefit justifies any potential risk to the fetus. It passes into breast milk in small amounts; therefore, breastfeeding mothers should consult their healthcare provider to weigh benefits against possible infant exposure.

To order Lekoklar Xl, 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.

Compared with azithromycin, another macrolide, clarithromycin generally has a broader spectrum against certain Gram‑negative organisms and a longer half‑life, allowing twice‑daily dosing. However, clarithromycin has a higher potential for drug‑drug interactions due to CYP3A4 inhibition, whereas azithromycin is less likely to affect hepatic enzymes.

Lekoklar Xl should be stored at temperatures below 25 °C (77 °F). Keep the tablets in the original container, protect them from moisture, heat, and direct sunlight. Do not store in bathrooms or near kitchen appliances that generate excess humidity.

Lekoklar Xl is taken orally, usually with a full glass of water. It can be taken with or without food, although taking it with food may reduce gastrointestinal upset. The tablets should be swallowed whole and not crushed or chewed unless specifically instructed by a healthcare professional.

Serious risks include QT interval prolongation leading to potentially fatal arrhythmias, severe allergic reactions such as anaphylaxis, hepatic injury, and Clostridioides difficile‑associated colitis. Patients should be monitored for signs of cardiac irregularities, liver dysfunction, or persistent diarrhea, and seek immediate medical attention if these occur.

Individuals with a known hypersensitivity to clarithromycin, other macrolides, or any component of the formulation should avoid Lekoklar Xl. It is also contraindicated in patients taking drugs that strongly prolong the QT interval or in those with a history of ventricular arrhythmias without careful monitoring.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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