Do not take this medicine with any of the following medications:

-astemizole
-certain medicines for cholesterol like atorvastatin, cerivastatin, lovastatin, simvastatin
-certain medicines for fungal infections like fluconazole, itraconazole, ketoconazole, posaconazole, voriconazole
-certain medicines for irregular heart beat like amiodarone, disopyramide, dronedarone, flecainide, procainamide, propafenone, quinidine
-certain medicines for psychotic disturbances like mesoridazine, pimozide, thioridazine
-chloroquine
-cisapride
-droperidol
-eplerenone
-ergot alkaloids like ergotamine and dihydroergotamine
-methadone
-other antibiotics like grepafloxacin or sparfloxacin
-sirolimus
-terfenadine
-vinblastine
-red yeast rice

This medicine may also interact with the following medications:

-alfentanil
-birth control
-bromocriptine
-carbamazepine
-certain medicines for anxiety or sleep
-certain medicines that treat or prevent blood clots like warfarin
-cyclosporine
-digoxin
-dofetilide
-other medicines that prolong the QT interval (cause an abnormal heart rhythm)
-phenytoin
-theophylline
-valproate
-ziprasidone

They need to know if you have any of these conditions:
-diabetes
-liver disease
-myasthenia gravis
-an unusual or allergic reaction to erythromycin, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Tell your doctor or health care professional if your symptoms do not improve or if they get worse.

Do not treat diarrhea with over the counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if it is severe and watery.

Keep out of the reach of children.

Follow the directions for storage that are provided by the pharmacist.