Product image of Klabax (Clarithromycin) supplied by GNH India

Klabax

Active Ingredient:
Clarithromycin
Origin:
EU

Klabax (Clarithromycin)

Clarithromycin, the active ingredient in Klabax, is a macrolide antibiotic presented as an oral tablet for oral use. It treats bacterial infections such as community‑acquired pneumonia, sinusitis, otitis media, skin infections and is used in Helicobacter pylori eradication regimens.

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

Manufacturer / TM Owner

Glenmark Pharmaceuticals S.R.O.

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Indications & Clinical Uses

Clarithromycin is a macrolide antibiotic that targets bacterial protein synthesis and is indicated for several infections.

  • Community‑acquired pneumonia: effective in treating bacterial pneumonia caused by susceptible organisms.
  • Acute bacterial sinusitis: resolves sinus infection symptoms.
  • Acute otitis media: clears middle‑ear bacterial infection.
  • Skin and soft‑tissue infections: eradicates susceptible skin pathogens.
  • Helicobacter pylori eradication: part of combination therapy to eliminate H. pylori.

How It Works

  • Clarithromycin binds to the 50S subunit of bacterial ribosomes, inhibiting the translocation step of protein synthesis. This blockade prevents peptide chain elongation, producing a bacteriostatic effect that limits bacterial growth and facilitates immune clearance.

Side Effects

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

Common Side Effects

  • Nausea
  • Diarrhea
  • Abdominal pain
  • Taste disturbance
  • Headache
  • Rash

Serious or Rare Side Effects

  • Hepatotoxicity
  • QT interval prolongation
  • Severe allergic reactions (anaphylaxis)
  • Clostridioides difficile‑associated diarrhea
  • Stevens‑Johnson syndrome
  • Hepatic failure

Precautions & Warnings

When prescribing clarithromycin, several safety considerations are recommended.

  • Assess liver function: baseline hepatic enzymes should be evaluated before initiating therapy.
  • Monitor cardiac status: patients with known QT prolongation risk should be observed.
  • Avoid use in patients with known macrolide hypersensitivity: discontinue if allergic reaction occurs.
  • Consider drug interactions: review concomitant medications that affect CYP3A4.
  • Use caution in renal impairment: dose adjustment may be required per prescriber.
  • Store at ambient temperature: keep below 25 °C, retain in original packaging, protect from moisture.

Avoid Interactions

Clarithromycin interacts with several medicines; careful review is essential.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, ritonavir): may raise clarithromycin levels and increase toxicity.
  • Cisapride: co‑administration can precipitate serious cardiac arrhythmias.
  • Ergot derivatives (e.g., ergotamine): risk of ergotism due to increased plasma concentrations.

Moderate Interactions (Monitor Closely)

  • Statins metabolized by CYP3A4 (simvastatin, lovastatin): monitor for myopathy.
  • Warfarin: clarithromycin can enhance anticoagulant effect; monitor INR.
  • Theophylline: may increase theophylline concentrations, watch for toxicity.

Frequently Asked Questions

Klabax contains clarithromycin, a macrolide antibiotic indicated for treatment of bacterial infections such as community‑acquired pneumonia, acute bacterial sinusitis, acute otitis media, skin and soft‑tissue infections, and as part of combination therapy for Helicobacter pylori eradication. It is prescribed by healthcare professionals based on susceptibility.

Clarithromycin binds to the 50S subunit of bacterial ribosomes, blocking the translocation step of protein synthesis. This inhibition prevents elongation of the peptide chain, resulting in a bacteriostatic effect that limits bacterial growth and allows the immune system to clear the infection.

The dosing regimen for clarithromycin is individualized by the prescribing clinician according to the infection type, severity, patient age, renal and hepatic function, and local resistance patterns. Patients should follow the exact instructions provided on the prescription label and consult their healthcare provider for any adjustments.

Safety of clarithromycin during pregnancy or lactation has not been definitively established. It should only be used when the potential benefit justifies the potential risk to the fetus or infant, and the decision must be made by the treating physician after evaluating the clinical situation.

To request Klabax, 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 and any necessary import documentation.

Compared with azithromycin, clarithromycin generally has a broader spectrum against certain Gram‑positive organisms and higher tissue penetration, but it may have more drug‑interaction potential due to CYP3A4 inhibition. Choice of agent depends on pathogen susceptibility, patient comorbidities and clinician preference.

Klabax tablets should be stored at ambient temperature, preferably below 25 °C. Keep them in the original packaging to protect from moisture and light, and ensure they are kept out of reach of children.

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

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

Klabax is contraindicated in individuals with a known hypersensitivity to clarithromycin, other macrolides, or any component of the formulation. It should also be avoided in patients taking medications that have a high risk of dangerous interactions, such as strong CYP3A4 inhibitors, cisapride, or ergot derivatives, unless closely supervised by a physician.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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