Key facts about Erythromycin
What dosages is Erythromycin available in?
Erythromycin is available as a 0.5% ophthalmic ointment.
What is Erythromycin used for?
Erythromycin is a macrolide antibiotic and is used to treat a bacterial eye infection, and to prevent pink eye (conjunctivitis) in newborns who might be exposed to certain sexually-transmitted infections (STIs) from their mothers during birth.
How does Erythromycin work?
Erythromycin is a macrolide antibiotic. It stops the growth of bacteria by preventing them from making proteins that they need to survive.
How do I take Erythromycin?
Erythromycin is typically dosed as 1 centimeter of ointment in the affected eye(s) up to 6 times a day, depending on how serious the infection is.
Is it safe for me to take Erythromycin?
Erythromycin is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you.
Erythromycin Common Side Effects
Common side effects of Erythromycin include:
- Mild eye irritations
- Eye redness
Erythromycin Serious Side Effects
Serious side effects are rare with Erythromycin. Contact your healthcare provider immediately if you experience any of the following:
- Severe allergic reaction such as swollen eyelids, redness, itching, rash, shortness of breath
Effects of other drugs, drug classes and over-the-counter products on Erythromycin
- There are no major drug interactions listed for Erythromycin. However, you should always let your physician and pharmacist know about any other medications or supplements (including prescribed and over-the-counter medications, vitamins, and dietary or herbal supplements) that you are currently taking
Who makes Erythromycin?
Various FDA-approved generic manufacturers
Is Erythromycin safe in pregnancy?
It is not known if Erythromycin will harm your unborn baby. You should talk to your healthcare provider before taking this medication if you are pregnant.













