Generic Name: Ery Brand Name(s): Generics only. No brands available.


What is ery (erythromycin base) used for?

Ery is commonly used to treat or prevent many different types of infections caused by bacteria. It will not work for viral infections (such as common cold, flu).

Ery may be prescribed for other uses; ask your doctor or pharmacist for more information.

How should I take ery (erythromycin base)?

Follow all directions on your prescription label.

Do not take this medicine in larger or smaller amounts or for longer than recommended.

Ask your health care provider any questions you may have about how to use this medication.

How do I store ery (erythromycin base)?

Ery is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store ery in the bathroom or the freezer. There may be different brands of ery that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush ery down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using ery (erythromycin base)?

Consult with your doctor or pharmacist, if:

  • You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
  • You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • You have allergy with any of active or inactive ingredients of ery or other medications.
  • You have any other illnesses, disorders, or medical conditions.

Is it safe during pregnancy or breastfeeding?


There are no adequate studies in women for determining risk when using this medication during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking this medication. This medication is pregnancy risk category B, according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk
  • B=No risk in some studies
  • C=There may be some risk
  • D=Positive evidence of risk
  • X=Contraindicated
  • N=Unknown

Breastfeeding: This medication enters breast milk; use with caution.

Side effects

What side effects can occur from ery (erythromycin base)?

Ery may cause nausea, vomiting, gastralgia, and diarrhea.

Seek medical attention right away if any of these severe side effects occur:

  • Rash
  • Hives
  • Itching
  • Difficulty breathing
  • Tightness in the chest
  • Swelling of the mouth, face, lips, or tongue
  • Persistent nausea/vomiting
  • Yellowing eyes or skin
  • Dark urine
  • Severe stomach/abdominal pain
  • Unusual tiredness
  • Muscle weakness
  • Slurred speech
  • Blurred vision
  • Drooping eyelids
  • Hearing loss

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.


What drugs may interact with ery (erythromycin base)?

Ery may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Some products that may interact with this drug include:

  • Clindamycin
  • Digoxin
  • Amiodarone
  • Dofetilide
  • Cisapride
  • Pimozide
  • Procainamide
  • Propafenone
  • Quinidine
  • Sotalol

Does food or alcohol interact with ery (erythromycin base)?

Ery may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with ery (erythromycin base)?

Ery may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.

Especially if you have:

  • Kidney disease
  • Liver disease
  • A certain type of muscle disease (myasthenia gravis)


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using this medication.

What is the dose of ery (erythromycin base) for an adult?

Your doctor may have prescribed a different dose.

What is the dose of ery (erythromycin base) for a child?

This medication is suitable for children from 5 to 12 kg (about 3 months to 2 years).

Child: 30 to 50 mg / kg per day.

  • Between 5 and 7 kg (about 3 to 6 months): 1 sachet twice a day.
  • Between 7 and 12 kg (about 6 months to 2 years): 1 sachet three times a day.

How is ery (erythromycin base) available?

Ery is available in the following dosage forms and strengths:

  • Ery sachet 125mg
  • Ery sachet 250mg

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of ery, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

msBahasa Malaysia

Review Date: July 4, 2017 | Last Modified: July 4, 2017

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