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Amoxicill-Clarithro-Lansopraz Oral

Generic Name: LANSOPRAZOLE/AMOXICILLIN/CLARITHROMYCIN - ORAL
Pronounced: (lan-SO-pruh-zole/uh-mox-eh-SILL-in/kluh-RITH-row-MY-sin)

Amoxicill-Clarithro-Lansopraz Oral Interactions

Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for it. Do not start, stop or change the dosage of any medicine before checking with them first.

This drug should not be used with the following medications because very serious (possibly fatal) interactions may occur:

  • allopurinol
  • atazanavir
  • bromocriptine
  • cisapride
  • conivaptan
  • certain drugs which may affect heart rhythm (QTc prolonging drugs such as amiodarone, bepridil, disopyramide, droperidol, halofantrine, sparfloxacin, sertindole)
  • eletriptan
  • eplerenone
  • ergot alkaloids (e.g., dihydroergotamine, ergotamine)
  • ivabradine
  • nelfinavir
  • pimozide
  • ranolazine


If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting this medication.

Other drugs besides clarithromycin and those listed above that may affect the heart rhythm (QT prolongation in the EKG) include dofetilide, haloperidol, procainamide, quinidine, sotalol, thioridazine, and propafenone, among others. Before using this product, report all medications you are currently using to your doctor or pharmacist. QT prolongation can infrequently result in serious (rarely fatal) fast/irregular heartbeat and other symptoms (e.g., severe dizziness, fainting) that require immediate medical attention. Ask your doctor or pharmacist for more details and for instructions on how you may reduce the risk of this effect.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of:

  • other antibiotics (quinupristin-dalfopristin, rifabutin, tetracyclines)
  • anti-seizure medications (e.g., carbamazepine, phenytoin, valproate)
  • barbiturates (e.g., phenobarbital, hexobarbital)
  • benzodiazepines (e.g., alprazolam, triazolam)
  • colchicine
  • certain chemotherapy drugs (dasatinib, lapatinib, sunitinib)
  • cilostazol
  • digoxin
  • certain statin drugs for high cholesterol (e.g., atorvastatin, lovastatin, simvastatin)
  • drugs for blood pressure (e.g., propranolol)
  • drugs for diabetes (e.g., glyburide, repaglinide)
  • immunosuppressants (e.g., cyclosporine, methylprednisolone, tacrolimus)
  • methotrexate
  • certain narcotic pain relievers (e.g., alfentanil, fentanyl)
  • probenecid
  • protease inhibitors (e.g., lopinavir, ritonavir, saquinavir, tipranavir)
  • quetiapine
  • theophylline
  • tolterodine
  • live bacterial vaccines
  • warfarin
  • certain "water pills" (potassium-wasting diuretics such as hydrochlorothiazide, furosemide)
  • zidovudine
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