Antimicrobials
Clarithromycin

Clarithromycin

Spectrum of Activity

Dosing

General Information

  • Prolongation of QTc interval
  • Elevated liver enzymes
  • Diarrhea
  • Substrate of CYP3A4.
  • Multiple CYP450 interactions possible - consult a pharmacist for more detail.
  • May increase digoxin, carbamazepine level.
  • Use caution with QTc prolonging medications.

Treatment of proven or suspected pertussis, Chlamydophila pneumoniae, and Mycoplasma pneumoniae

Concentration: 50 mg/mL

Taste: Good

Not all strengths of oral liquids are listed nor be available on the CHEO Formulary

  • 250 mg
  • 500 mg

Tablets or capsules are preferred especially over an unpleasant tasting oral liquid.

Not all strengths of oral tablets/capsules are listed and they are not all available on the CHEO Formulary.