Clarithromycin

Clarithromycin prevents bacteria from growing by interfering with their protein synthesis. It is often used for penicillin-allergic patients.

Dosage by Body Weight

Standard pediatric dose is 7.5 mg/kg every 12 hours. Shake suspension well before use.

  1. Body Weight
    8-11 kg
    Dose
    62.5 mg (2.5 ml of 125mg/5ml)
    Frequency
    Twice daily
    Tracking Notes
    Commonly used for 7-10 days.
  2. Body Weight
    12-19 kg
    Dose
    125 mg (5 ml of 125mg/5ml)
    Frequency
    Twice daily
    Tracking Notes
    May cause stomach upset or a bitter taste.
  3. Body Weight
    20-29 kg
    Dose
    187.5 mg (7.5 ml of 125mg/5ml)
    Frequency
    Twice daily
    Tracking Notes
    Ensure finish of course even if symptoms improve.

Formulation

TabletSuspension

Purpose

Macrolide antibiotic used for respiratory tract infections, skin infections, and H. pylori eradication.

Generic Name

Clarithromycin

Branded Drug Names

Clarithromycin is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:

Scheduled Drug

Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.

Alternatives

Safety Advice

Alcohol

CAUTION

Clarithromycin: Alcohol may worsen infection-related dehydration, dizziness, or stomach upset. Avoid or limit alcohol during antibiotic treatment.

Pregnancy

SAFE IF PRESCRIBED

Clarithromycin: Use during pregnancy only when prescribed for a bacterial infection; the prescriber will choose the safest suitable antibiotic.

Breast Feeding

SAFE IF PRESCRIBED

Clarithromycin: Many antibiotics are compatible with breastfeeding when prescribed, but monitor the infant for diarrhea, rash, or thrush.

Driving

SAFE

Clarithromycin: Usually does not affect driving, but dizziness, weakness, or illness symptoms can occur. Avoid driving if affected.

Liver

CAUTION

Clarithromycin: Use caution in liver disease or if jaundice, dark urine, or severe fatigue occurs during treatment.

Kidney

CAUTION

Clarithromycin: Some antibiotics require dose adjustment or monitoring in kidney disease. Use exactly as prescribed.

Disclaimer: This information is for educational purposes only. WHO references and weight bands are simplified for tracking and must not replace medical advice. Always consult with a healthcare professional before starting or changing any medication.