Medication info
Eldona Capsule (Erdomustine)

Eldona Capsule (Erdomustine)

OTC medicationHard capsuleOral
Ingredient · strength
Erdosteine›300mg / 1 capsule
Manufacturer / importer
Chodang Pharmaceutical Co., Ltd.
Appearance
A hard capsule with a green upper part and a yellow lower part containing white to almost white powder
Packaging
10 capsules/box [(10 capsules/PTP)]
Approval status
Active

MFDS item code 202402050 · Notified 2024.08.26

Summary

Main use
Mucolysis and facilitation of expectoration in acute and chronic respiratory diseases
Who takes it
Adults
Adult dose
Adults: Administer 300 mg of erdosteine orally 2~3 times daily. When administered for acute respiratory disease, do not use continuously for more than 10 days.

Ingredients

Manufacturer
Chodang Pharmaceutical Co., Ltd.

Efficacy & effects

Mucolysis and facilitation of expectoration in acute and chronic respiratory diseases

  • Acute respiratory disease
  • chronic respiratory disease
View approved original text

This medication is used to dissolve mucus and expel phlegm in acute and chronic respiratory diseases.

How to take

Adult dose

Adults: Administer 300 mg of erdosteine orally 2~3 times daily. When administered for acute respiratory disease, do not use continuously for more than 10 days.

Precautions

This medication should not be used in patients with hypersensitivity. It should not be administered to patients with liver cirrhosis or specific enzyme deficiencies, as its metabolites may be harmful. Patients with peptic ulcers and severe kidney or liver disease should also avoid using this medication. Patients with mild to moderate liver disease should be careful to not exceed a daily dosage of 300 mg. Diabetic patients and those on a low-calorie diet should use the syrup formulation with caution. If allergic to color additive Yellow No. 5, it should be used with care. Symptoms such as sweating, dizziness, and facial flushing may occur with overdose, so the recommended dosage should be adhered to. Side effects may include headache, cold symptoms, difficulty breathing, indigestion, skin rash, etc. Caution is advised when used with cough medications, as it may hinder phlegm expulsion in the bronchial tubes and increase the risk of bronchial infection. Pregnant or breastfeeding women should avoid using this medication as its safety has not been established. It should be kept out of reach of children, and transferring it to other containers may adversely affect its quality.

Side effects

  • sweating
  • dizziness
  • flushing
  • headache
  • cold
  • shortness of breath
  • taste disturbance
  • nausea
  • vomiting
  • diarrhea
Show 18 more
  • upper abdominal pain
  • abdominal pain
  • heartburn
  • urticaria
  • erythema
  • eczema
  • fatigue
  • dyspepsia
  • gastrointestinal disorders
  • acid reflux
  • erythema nodosum
  • palpitations
  • facial edema
  • generalized edema
  • itching
  • weakness
  • lethargy
  • rash

Not everyone experiences these, and they can vary from person to person.

Interactions

Drug interactions

This medication should be discussed with a physician or pharmacist if taken with cough medications.

Storage

This medication may be sensitive to air or moisture, so it must be stored in a tightly closed container. It is best to maintain a storage temperature between 1 degree and 30 degrees Celsius to keep the medication effective for a longer period.

Appearance and packaging

Appearance

A hard capsule with a green upper part and a yellow lower part containing white to almost white powder

Package unit

10 capsules/box [(10 capsules/PTP)]

Same-ingredient medicines

Even with the same ingredient, strength, dosage form and how it is taken can differ.

Even with the same ingredient, the dose and directions can differ by strength and dosage form. Talk to a doctor or pharmacist before switching from a medication you are already taking.

Questions about this medicine

  • QHow long can I take cough medicine?

    When used for acute respiratory diseases, it is advised not to take it continuously for more than 10 days. Adults should take 300 mg 2-3 times a day, and if taking a cough medicine, please consult with a doctor or pharmacist.

    Answers 1 · 2026.09.14

For anything that needs medical judgment, consult a doctor or pharmacist.

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This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.