Product image of Klacid I.V. (Clarithromycin) supplied by GNH India

Klacid I.V.

Active Ingredient:
Clarithromycin
Origin:
EU

Klacid I.V. (Clarithromycin)

Clarithromycin, the active ingredient in Klacid I.V., is a macrolide antibiotic presented as an intravenous solution for intravenous use. It is employed to treat a variety of bacterial infections, including community‑acquired pneumonia, acute bacterial sinusitis, skin and soft‑tissue infections, and other severe bacterial infections in adult patients.

GNH India supplies Klacid I.V. as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals worldwide. The company adheres to stringent quality standards and provides reliable global distribution for healthcare institutions.

Manufacturer / TM Owner

Viatris Healthcare Limited

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Indications & Clinical Uses

Clarithromycin is a macrolide antibiotic used to treat bacterial infections affecting the respiratory, sinus, skin, and systemic compartments.

  • Community‑acquired pneumonia: achieves bacterial eradication and clinical improvement in adult patients.
  • Acute bacterial sinusitis: reduces sinus inflammation and resolves infection symptoms.
  • Skin and soft‑tissue infections: clears pathogenic bacteria and promotes wound healing.
  • Severe bacterial infections: provides broad‑spectrum coverage for serious systemic infections.

How It Works

  • Clarithromycin binds to the 50S subunit of bacterial ribosomes, blocking the translocation step of protein synthesis. This inhibition prevents elongation of peptide chains, producing a bacteriostatic effect against susceptible Gram‑positive and some Gram‑negative organisms. The interaction also interferes with bacterial toxin production, enhancing therapeutic outcomes.

Side Effects

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

Common Side Effects

  • Nausea: mild to moderate stomach upset.
  • Diarrhea: frequent loose stools.
  • Taste alteration: metallic or bitter taste.
  • Headache: mild headache.

Serious or Rare Side Effects

  • Anaphylaxis: severe allergic reaction with rash, swelling, and breathing difficulty.
  • QT interval prolongation: may lead to cardiac arrhythmias.
  • Clostridioides difficile‑associated diarrhea: severe colitis requiring medical attention.

Precautions & Warnings

When using Klacid I.V., consider the following precautions.

  • Renal impairment: monitor renal function and adjust therapy as needed.
  • Hepatic impairment: use with caution; observe liver function tests.
  • Pregnancy Category B: weigh maternal benefits against potential fetal risks.
  • Concomitant QT‑prolonging agents: assess cardiac risk and consider ECG monitoring.
  • Known macrolide allergy: avoid use to prevent hypersensitivity reactions.
  • Store at 2-8°C: keep refrigerated, protect from light, do not freeze.

Avoid Interactions

Clarithromycin can interact with several medicines; some require avoidance while others need monitoring.

Major Interactions (Avoid)

  • Co‑administration with other macrolides (e.g., erythromycin): additive QT prolongation risk.
  • Cisapride: may cause serious cardiac arrhythmias.
  • Pimozide: increased plasma levels leading to neurotoxicity.

Moderate Interactions (Monitor Closely)

  • Warfarin: clarithromycin can raise INR; monitor coagulation parameters.
  • Theophylline: plasma concentrations may increase; observe for toxicity signs.
  • Carbamazepine: may reduce clarithromycin levels, decreasing efficacy.

Frequently Asked Questions

Klacid I.V. is an intravenous formulation of clarithromycin, a macrolide antibiotic indicated for the treatment of community‑acquired pneumonia, acute bacterial sinusitis, skin and soft‑tissue infections, and other severe bacterial infections in adult patients.

Clarithromycin inhibits bacterial protein synthesis by binding to the 50S ribosomal subunit, blocking the translocation step of peptide chain elongation. This bacteriostatic action stops bacterial growth and allows the host immune system to clear the infection.

The dosing regimen for Klacid I.V. is determined by the prescribing clinician based on the infection type, severity, patient weight, renal and hepatic function, and other clinical factors. Specific dosage information should be obtained from the treating physician.

Clarithromycin is classified as Pregnancy Category B, indicating that animal studies have not shown risk to the fetus and there are no adequate human studies. It may be used during pregnancy only if the potential benefit justifies the potential risk. Use while breastfeeding should be discussed with a healthcare professional.

To order Klacid I.V., submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, and will request trade or institutional credentials before providing pricing, availability, shipping details (including any cold‑chain requirements) and import documentation.

Klacid I.V. (clarithromycin) offers a broader spectrum against certain Gram‑negative organisms and better tissue penetration compared with older macrolides such as erythromycin. It also has a more favorable dosing schedule for intravenous use, though drug‑interaction and QT‑prolongation risks are similar across the class.

Klacid I.V. should be stored at 2‑8 °C in a refrigerator, protected from light, and must not be frozen. Before administration, the solution should be inspected for particulate matter and discoloration, and used within the time frame recommended by the manufacturer after reconstitution.

Klacid I.V. is administered by slow intravenous infusion under the supervision of a qualified healthcare professional. The infusion rate and duration are set by the prescriber according to the patient’s clinical condition and the specific infection being treated.

Serious risks include severe allergic reactions such as anaphylaxis, QT interval prolongation that can lead to life‑threatening arrhythmias, and Clostridioides difficile‑associated colitis. Patients should be monitored for signs of rash, cardiac symptoms, or persistent diarrhea, and the drug should be discontinued if these occur.

Klacid I.V. should be avoided in patients with a known hypersensitivity to clarithromycin or other macrolides, those with a history of significant QT prolongation, and individuals taking contraindicated medications such as cisapride or pimozide. Caution is also advised for patients with severe hepatic impairment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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