Generic Name: Erythromycin

  • What is Eryc?

    Eryc is an antibiotic used to treat certain bacterial infections, including abdominal infections, sexually transmitted diseases (such as chlamydia, gonorrhea, and syphilis), conjunctivitis ("pink eye"), rectal infections, reproductive tract infections, skin infections, respiratory (lung) tract infections, and urinary tract infections. Eryc may also be used to treat other bacterial infections, as determined by your doctor.

  • What is the most important information I should know about Eryc?

    Like all antibiotics, Eryc works only against bacteria. It will not cure an infection caused by a virus, such as the common cold.

    Although it is common to feel better soon after you start therapy with Eryc, take the full course of treatment exactly as prescribed by your doctor. Skipping doses or not completing the full course of treatment can decrease its effectiveness, leading to growth of bacteria that are resistant to the effects of Eryc or other antibacterial medications in the future.

    Mild diarrhea is common with antibiotic use. However, a more serious form of diarrhea, although rare, may occur. Tell your doctor immediately if you experience stomach pain or cramps, severe diarrhea, or bloody stools. Do not treat the diarrhea without first checking with your doctor.

    Eryc can cause liver problems. It can also worsen the symptoms of myasthenia gravis (a disease characterized by long-lasting fatigue and muscle weakness).

  • Who should not take Eryc?

    Do not take Eryc if you are allergic to it or any of its ingredients, or if you are currently taking terfenadine or astemizole.

  • What should I tell my doctor before I take the first dose of Eryc?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Eryc. Also, talk to your doctor about your complete medical history, especially if you have liver or kidney disease, have heart problems, have myasthenia gravis, are pregnant, plan to become pregnant, or are breastfeeding.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Your doctor might prescribe different doses than listed below based on the type and severity of your infection.

    Adults: The usual dose is 250 milligrams (mg) every 6 hours taken 1 hour before meals or 500 mg every 12 hours. Your doctor may increase your dose as appropriate.

    Children: Your doctor will prescribe the appropriate dose for your child, based on their age, weight, and the severity of their infection.

  • How should I take Eryc?

    Take Eryc exactly as prescribed by your doctor. You may take Eryc with or without food.

  • What should I avoid while taking Eryc?

    Do not skip or miss any scheduled doses.

  • What are possible food and drug interactions associated with Eryc?

    If Eryc is taken with certain other drugs, the effects of either could be increased, decreased, or altered. Eryc may interact with numerous medications. Therefore, it is very important that you tell your doctor about any other medications you are taking.

  • What are the possible side effects of Eryc?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: abdominal pain, diarrhea, irregular heartbeat, loss of appetite, nausea, reversible hearing loss, serious skin rashes, vomiting

  • Can I receive Eryc if I am pregnant or breastfeeding?

    The effects of Eryc during pregnancy and breastfeeding are unknown. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Eryc?

    If you miss a dose of Eryc, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.

  • How should I store Eryc?

    Store at room temperature.