erythromycin base, erythromycin stearate - oral, Erythrocin (cont.)
DRUG 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 interactions may occur: eletriptan, ergot alkaloids (e.g., ergotamine, dihydroergotamine), drugs which may affect the heart rhythm (QT prolonging drugs such as cisapride, pimozide, droperidol, sertindole), ivabradine.If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting erythromycin.Many drugs besides erythromycin and those listed above may affect the heart rhythm (QT prolongation), including amiodarone, dofetilide, gatifloxacin, moxifloxacin, procainamide, propafenone, quinidine, sotalol, and thioridazine, among others. Therefore, before using erythromycin, report all medications you are currently using to your doctor or pharmacist.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: colchicine, digoxin, live bacterial vaccines, warfarin, drugs affecting liver enzymes that remove erythromycin from your body (such as azole antifungals-including itraconazole and fluconazole, rifamycins-including rifabutin, quinupristin-dalfopristin, calcium channel blockers-including diltiazem and verapamil, certain anti-seizure medicines-including carbamazepine and phenytoin and valproate).This drug can slow down the removal of other drugs from your body by affecting certain liver enzymes. Some examples of these affected drugs include alfentanil, bromocriptine, buspirone, certain benzodiazepines (alprazolam, midazolam, triazolam), caffeine-containing drugs, cilostazol, corticosteroids (e.g., prednisone), cyclosporine, eplerenone, certain erectile dysfunction medications (sildenafil, vardenafil), eszopiclone, felodipine, certain "statin" drugs (atorvastatin, lovastatin, simvastatin), quetiapine, tacrolimus, theophylline, tolterodine, vinblastine.Although most antibiotics probably do not affect hormonal birth control such as pills, patch, or ring, some antibiotics may decrease their effectiveness. This could cause pregnancy. Examples include rifamycins such as rifampin or rifabutin. Be sure to ask your doctor or pharmacist if you should use additional reliable birth control methods while using this antibiotic.This drug can affect the results of certain lab tests. Make sure laboratory personnel and your doctors know you are taking this medication.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
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