ERYTHROMYCIN (er ith roe MYE sin) is a macrolide antibiotic. It is used to treat certain kinds of bacterial infections. It will not work for colds, flu, or other viral infections.
Take this medicine by mouth. Chew it completely before swallowing. Follow the directions on the prescription label. It is best to take this medicine on an empty stomach, at least 30 minutes before or 2 hours after food. If this medicine upsets your stomach, take with food or milk. Take your medicine at regular intervals. Do not take your medicine more often than directed. Take all of your medicine as directed even if you think you are better. Do not skip doses or stop your medicine early.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for selected conditions, precautions do apply.
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
irregular heartbeat or chest pain
redness, blistering, peeling or loosening of the skin, including inside the mouth
severe or watery diarrhea
unusually weak or tired
yellowing of eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
loss of appetite
Do not take this medicine with any of the following medications:
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, dofetilide, dronedarone, flecainide, procainamide, propafenone, quinidine
certain medicines for psychotic disturbances like mesoridazine, pimozide, thioridazine, ziprasidone
ergot alkaloids like ergotamine, dihydroergotamine
other antibiotics like grepafloxacin or sparfloxacin
red yeast rice
This medicine may also interact with the following medications:
certain medicines for anxiety or sleep
certain medicines that treat or prevent blood clots like warfarin
other medicines that prolong the QT interval (cause an abnormal heart rhythm)
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Keep container tightly closed. Throw away any unused medicine after the expiration date.
They need to know if you have any of these conditions:
an unusual or allergic reaction to erythromycin, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
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.