What is this medication?

ERYTHROMYCIN (er ith roe MYE sin) prevents or treats eye infections caused by bacteria. It belongs to a group of medications called antibiotics. It will not treat infections caused by viruses.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Ilotycin, Romycin

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

  • An unusual or allergic reaction to erythromycin, other medications, foods, dyes, or preservatives
  • Pregnant or trying to get pregnant
  • Breast-feeding

How should I use this medication?

This medication is only for use in the eye. Follow the directions on the prescription label. Wash hands before and after use. Tilt your head back slightly and pull your lower eyelid down with your index finger to form a pouch. Try not to touch the tip of the tube, to your eye, fingertips, or any other surface. Squeeze the end of the tube to apply a thin layer of the ointment to the inside of the lower eyelid. Close the eye gently to spread the ointment. Your vision may blur for a few minutes. Use your doses at regular intervals. Do not use your medication more often than directed. Finish the full course prescribed by your care team even if you think your condition is better. Do not stop using except on the advice of your care team.

Talk to your care team regarding the use of this medication in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, use it as soon as you can. If it is almost time for your next dose, use only that dose. Do not use double or extra doses.

What may interact with this medication?

Interactions are not expected. Do not use any other eye products without telling your care team.

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Tell your care team if your symptoms do not improve in 2 to 3 days.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • New or worsening eye pain, redness, irritation, or discharge

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

  • Irritation at the application site

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

Keep out of the reach of children and pets.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Do not freeze. Throw away any unused ointment after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

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