Product image of Klacid Uno (Clarithromycin) supplied by GNH India

Klacid Uno

Active Ingredient:
Clarithromycin
Origin:
EU

Klacid Uno (Clarithromycin)

Clarithromycin, the active ingredient in Klacid Uno, is a macrolide antibiotic presented as a tablet for oral 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 Klacid Uno as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Viatris Healthcare Limited

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Indications & Clinical Uses

Clarithromycin is a macrolide antibiotic used to treat infections of the respiratory, sinus, skin and gastrointestinal systems.

  • Community‑acquired pneumonia: eradicates causative bacteria and improves clinical recovery.
  • Acute bacterial sinusitis: reduces bacterial load and shortens symptom duration.
  • Skin and soft‑tissue infections: treats susceptible Gram‑positive and some Gram‑negative organisms.
  • Helicobacter pylori eradication (in combination therapy): contributes to bacterial clearance as part of triple‑therapy regimens.

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 organisms. The drug’s affinity for the ribosomal binding site disrupts the elongation step of translation, preventing bacterial growth and replication.

Side Effects

Adverse reactions may occur with clarithromycin therapy.

Common Side Effects

  • Nausea
  • Diarrhea
  • Abdominal pain
  • Taste disturbance

Serious or Rare Side Effects

  • Severe allergic reaction (anaphylaxis)
  • Clostridioides difficile‑associated diarrhea
  • QT interval prolongation, which may lead to arrhythmia

Precautions & Warnings

Clarithromycin requires careful consideration of patient factors and handling.

  • Renal or hepatic impairment: adjust therapy based on function tests.
  • Cardiac risk: monitor ECG in patients with known QT prolongation.
  • Known macrolide hypersensitivity: avoid use.
  • Pregnancy category B: use only if benefit outweighs risk.
  • Store at below 25°C: keep in the original pack, protect from moisture.

Avoid Interactions

Clarithromycin can interact with several medicines, necessitating monitoring.

Major Interactions (Avoid)

  • QT‑prolonging agents (e.g., cisapride, pimozide): risk of serious arrhythmia.
  • Statins metabolized by CYP3A4 (e.g., simvastatin, atorvastatin): increased risk of myopathy.
  • Ergot alkaloids (e.g., ergotamine): may cause ergotism.

Moderate Interactions (Monitor Closely)

  • Warfarin: enhanced anticoagulant effect, monitor INR.
  • Oral contraceptives: reduced efficacy, advise alternative contraception.

Frequently Asked Questions

Klacid Uno contains clarithromycin, a macrolide antibiotic indicated for community‑acquired pneumonia, acute bacterial sinusitis, skin and soft‑tissue infections, and as part of combination therapy for Helicobacter pylori eradication. It targets susceptible bacterial strains to resolve infection.

Clarithromycin binds to the 50S ribosomal subunit of bacteria, blocking the translocation step of protein synthesis. This inhibition halts bacterial growth, producing a bacteriostatic effect that allows the immune system to clear the infection.

The prescribed dose of Klacid Uno is determined by the treating clinician based on the infection type, severity, patient age, renal and hepatic function, and local guidelines. Patients should follow the prescriber’s instructions and not adjust the dose on their own.

Clarithromycin is classified as pregnancy category B, indicating no evidence of risk in animal studies but insufficient human data. It may be used during pregnancy only if the potential benefit justifies the risk. Breastfeeding mothers should consult a healthcare professional, as clarithromycin is excreted in milk.

To request Klacid Uno, 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.

Clarithromycin offers a broader spectrum against certain Gram‑negative organisms and better tissue penetration compared with older macrolides like erythromycin. It also has a more convenient dosing schedule. However, drug‑interaction potential and QT‑prolongation risk may be higher than some alternatives, requiring careful patient selection.

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

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

Serious risks include severe allergic reactions such as anaphylaxis, Clostridioides difficile‑associated colitis, and cardiac events like QT interval prolongation that can lead to arrhythmias. Patients should seek immediate medical attention if they experience symptoms such as rash, persistent diarrhea, or palpitations.

Klacid Uno should be avoided in individuals with a known hypersensitivity to clarithromycin, other macrolides, or any component of the formulation. It is also contraindicated in patients taking medications that strongly prolong the QT interval, such as cisapride or pimozide, unless the benefits outweigh the risks.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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