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Erythromycin: Uses, Side Effects and Dosage

Updated:
Facts
Status:
Prescription (Rx)
Strength:
5 mg
Active ingredient:

Patient Medication Information: uses, side effects, how to take - Erythromycin

What is ERYTHROMYCIN used for?

ERYTHROMYCIN is used to treat bacterial eye infections.

Antibacterial drugs like ERYTHROMYCIN treat only bacterial infections. They do not treat viral infections. Although you may feel better early in the treatment, ERYTHROMYCIN should be used exactly as directed. Misuse or overuse of ERYTHROMYCIN could lead to the growth of bacteria that will not be killed by ERYTHROMYCIN (resistance). This means that ERYTHROMYCIN may not work for you in the future. Do not share your medicine.

How does ERYTHROMYCIN work?

ERYTHROMYCIN is an antibiotic. It works by killing or stopping the growth of the bacteria that cause your infection.

What are the ingredients in ERYTHROMYCIN ?

Medicinal ingredients: Erythromycin

Non-medicinal ingredients: Mineral Oil, Petrolatum.

ERYTHROMYCIN comes in the following dosage forms:

Ointment: 5 mg/g

Do not use ERYTHROMYCIN if you:

  • are allergic to erythromycin or any other ingredients of ERYTHROMYCIN.
  • have infections that are resistant to this medication (bacteria will not be killed).

To help avoid side effects and ensure proper use, talk to your healthcare professional before you take ERYTHROMYCIN Talk about any health conditions or problems you may have.

  • If you wear contact lenses, remove them before applying ERYTHROMYCIN. These can be re-inserted 15 minutes after application of the ointment.

Tell your healthcare professional about all the medicines you take, including any drugs, vitamins, minerals, natural supplements or alternative medicines.

How to take ERYTHROMYCIN:

Follow your doctor’s instructions carefully about how much ERYTHROMYCIN to apply and when to apply it.

Usual dose:

Apply the ointment directly into the affected eye(s) one or more times daily as directed by your doctor.

Administration:

  1. 1. Wash hands before use.
  2. 2. Remove tube cap.
  3. 3. Tilt head up when looking in a mirror.
  4. 4. Gently pull down the lower eyelid until there is a “pocket” (see picture below).
  5. 5. Apply a ribbon of ointment 0.5-1 cm along in this pocket (see picture below).
  6. 6. Let go the lower eyelid and close the eye for 30 seconds.
  7. 7. If you use ointment in both eyes, repeat the steps for the other eye.
  8. 8. To avoid contamination and injury, do not let the tip of the tube touch your eye.
  9. 9. If you are using another eye medicine, wait at least 15 minutes before applying the other medicine.
  10. 10.

    For the multiple-use 3.5 g tube, close and tighten the cap. If you are using a 1 g single-use tube, discard tube after use.

Missed dose:

If you forget to apply the ointment, simply apply it as soon as you remember. Then go back to the original schedule as directed by your doctor. Do not apply 2 doses to make up for the missed dose.

Overdose:

What are possible side effects from using ERYTHROMYCIN ?

These are not all the possible side effects; you may feel when taking ERYTHROMYCIN. If you experience any side effects not listed here, contact your healthcare professional.

Side effects may include:

  • Hives
  • Skin rashes

In case of drug overdose, including ingestion, contact a healthcare professional, hospital emergency department or regional poison control center, even if there are no symptoms.

Serious side effects and what to do about them
Symptom / effectTalk to your healthcare professionalStop taking drug and get immediate medical help
Only if severeIn all cases

RARE

Severe allergic reaction with symptoms such as: swelling of the face, mouth, throat, lips, eyes, difficulty breathing, burning and/ or painful red eyes, tearing, skin reactions (rash, blisters, hives)

√

If you have a troublesome symptom or side effect that is not listed here or becomes bad enough to interfere with your daily activities, talk to your healthcare professional.

Reporting Side Effects

You can help improve the safe use of health products for Canadians by reporting serious and unexpected side effects to Health Canada. Your report may help to identify new side effects and change the product safety information.

You can report any suspected side effects associated with the use of health products to Health Canada by:

  • Visiting the Web page on Adverse Reaction Reporting https://www.canada.ca/en/health-canada/services/drugs-health-products/medeffect-canada/adverse-reaction-reporting.html. for information on how to report online, by mail or by fax; or
  • Calling toll-free at 1-866-234-2345.

NOTE: Contact your health professional if you need information about how to manage your side effects. The Canada Vigilance Program does not provide medical advice.

Storage:

Store at room temperature (15°C to 30°C). Protect from freezing.

Keep out of reach and sight of children.

If you want more information about ERYTHROMYCIN:

  • Talk to your healthcare professional
  • Find the full prescribing information that is prepared for healthcare professionals and includes this Patient Medication Information by visiting the Health Canada website (https://www.canada.ca/en/health-canada/services/drugs-health-products/drug-products/drug-product-database.html; or by calling 1-800-550-6060.

Revision Date: July 21, 2020

Version:01

About this document

Source: Health Canada – Drug Product Database (DPD) and product monographs · DIN (Drug Identification Number): 02141574

Revision date stated in the text: July 21, 2020

Found a mistake? Write to us via the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Drug information for Erythromycin

Rx or OTC
Prescription (Rx)?
DIN 02141574
Schedule(s) PRESCRIPTION
Active ingredient(s) Erythromycin 5 MG
Dosage form(s) Ointment
Route(s) of administration Ophthalmic
Drug class (WHO ATC)
  1. S Sensory organ drugs
    1. S01 Ophthalmologicals
      1. S01A Antiinfective ophthalmologics
        1. S01AA Antibiotics, ophthalmologic
          1. S01AA17 Erythromycin
Company PHARMA STULLN INC.
Current status Marketed
Current status date July 20, 2023

Source: Health Canada – Drug Product Database (DPD) and product monographs, data as of November 1, 2026. Data from the Health Canada Drug Product Database, as published there. Not a substitute for the advice of a doctor or pharmacist.