Clarithromycin
Also sold as: Klaricid, Biaxin
Prescription neededMacrolides
Comes as:TabletSuspension
Also sold as: Klaricid, Biaxin
Usual adult dose: 250 to 500 mg twice a day, usually for 7 to 14 days. Finish the full course.
Your doctor may give you a different dose. Children's doses depend on weight.
Stop taking it and see a doctor straight away if you notice:
Medicines that can react with this one.
Clarithromycin raises alprazolam levels and sedation.
Both can prolong the QT interval and cause dangerous heart rhythms.
Clarithromycin raises atorvastatin levels and the risk of muscle damage.
Clarithromycin raises carbamazepine levels and can cause toxicity.
Can cause life-threatening colchicine toxicity; avoid together.
Raises piperaquine levels and adds to QT prolongation; avoid together.
Raises domperidone levels and prolongs the QT interval; do not combine.
Clarithromycin raises salmeterol levels and can cause heart rhythm problems; avoid the combination.
Clarithromycin raises methylergometrine levels and can cause dangerous narrowing of blood vessels.
Clarithromycin greatly raises midazolam levels and prolongs sedation.
Clarithromycin greatly raises quetiapine levels; avoid together.
Greatly raises simvastatin levels and the risk of severe muscle damage; do not combine.
Clarithromycin raises amlodipine levels and can cause low blood pressure.
Clarithromycin raises aripiprazole levels.
Clarithromycin raises digoxin levels.
Clarithromycin can raise loperamide levels.
Clarithromycin raises theophylline levels and can cause toxicity.
Can strongly raise the effect of warfarin; INR must be checked.
Clarithromycin raises methylprednisolone levels and steroid side effects.
Clarithromycin raises solifenacin levels; the dose should not exceed 5 mg.
Clarithromycin raises tamsulosin levels and the risk of dizziness and low blood pressure.
Clarithromycin can raise steroid levels after triamcinolone injection and increase side effects.