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Clarithromycin

An antibiotic used to treat chest, skin and ear infections.

Clinical information

Common uses

  • chest infections such as pneumonia
  • skin infections such as cellulitis
  • ear infections
  • Helicobacter pylori (stomach ulcer bacteria)

Common side effects

  • feeling or being sick
  • diarrhoea
  • bloating and indigestion
  • headaches
  • difficulty sleeping

Cautions

  • finish the full course, even if you feel better
  • tell your doctor about heart rhythm problems
  • can make myasthenia gravis worse
  • tell your doctor about liver or kidney problems

Interactions

  • epilepsy medicines (carbamazepine, phenytoin)
  • theophylline (asthma)
  • colchicine (gout)
  • warfarin or ticagrelor (blood thinners)
  • statins such as simvastatin or atorvastatin
  • St John's wort

Pregnancy: can be taken, but other antibiotics may be more suitable

Reference information, not medical advice — always follow your doctor or pharmacist. Source: NHS Medicines A–Z, nhs.uk/medicines/clarithromycin (accessed 2026-08-16)

Approved brands & formulations14

Brand nameDosage formStrengthImporterCategory
BICROLID® 500Caplet ( Film-coated )500mgAMDC Pvt. LtdPOM
CLARIMAX-500Tablet ( Film coated )500 mg (USP)Advance Medical Pvt LtdPOM
ClarithroTablet250mgauthorized medicine importersPOM
ClarithromycinTablet250 mgPOM
ClarithromycinParenteral ( Injection )500mgMFDA designated importers with Pre Authorization approval before importhospital
ClarithromycinOral Liquid125 mg/ 5 mlPOM
Claritrox 500Tablet ( Film coated )500mgMeditime Pvt.Ltd (Green Pharmacy Godown)POM
ClariwinTablet ( Film coated )250 mg (USP)ADK Pharmaceutical Company Pvt. LtdPOM
Clariwin -500Tablet ( Film coated )500mgauthorized importers after registration of the productPOM
Klaribact 250Tablet250 mgauthorized medicine importersPOM
Klaribact 500Tablet500 mgauthorized medicine importersPOM
Klaribact Dry Oral liquidOral Liquid125 mg/5mlauthorized medicine importersPOM
MaclarTablet500 mgauthorized medicine importersPOM
Neo-KlarOral Liquid125 mg/ 5 mlauthorized medicine importersPOM
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