Ery
Ery is a brand-name macrolide antibiotic containing erythromycin, used to treat a variety of bacterial infections including respiratory tract infections, skin infections, and certain sexually transmitted infections. It is often prescribed as an alternative for patients with penicillin allergies.
Ery is a macrolide antibiotic used to treat various bacterial infections.
Key facts at a glance
- RxNorm
- 798130
- Generic
- Ery
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Ery treats bacterial infections of the respiratory tract (such as pneumonia and bronchitis), skin, ears, and eyes, as well as certain STIs including chlamydia. It may also be used before surgery to prevent infection.
As a macrolide antibiotic, Ery works by inhibiting bacterial protein synthesis, preventing the growth and spread of susceptible bacteria.
Ery should not be used by individuals allergic to erythromycin or other macrolide antibiotics. Common side effects include gastrointestinal disturbances such as nausea and diarrhea. It may interact with several medications including certain statins, blood thinners, and seizure medications. Always complete the full course of treatment as prescribed.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy