Medication info
Eldotrine Capsule (Erdosteine)

Eldotrine Capsule (Erdosteine)

OTC medicationHard capsuleOral
Ingredient · strength
Erdosteine›300mg / 1 capsule
Manufacturer / importer
HLB Pharmaceutical Co., Ltd.
Appearance
A hard capsule with a green upper part and a yellowish lower part containing white powder.
Packaging
30 capsules/bottle, 100 capsules/bottle
Approval status
Active

MFDS item code 202003868 · Notified 2020.05.26 · Insurance code 647303970

Summary

Main use
Mucolytic and expectorant treatment of acute and chronic respiratory diseases
Who takes it
Adults
Adult dose
Adults: Administer 300 mg of erdosteine orally per dose, 2~3 times daily. When administered for acute respiratory disease, do not administer for more than 10 consecutive days.

Ingredients

Manufacturer
HLB Pharmaceutical Co., Ltd.

Efficacy & effects

Mucolytic and expectorant treatment of acute and chronic respiratory diseases

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

This medication helps to dissolve mucus and expel phlegm in acute and chronic respiratory diseases. It aids in the smooth expulsion of mucus in the airways, facilitating easier breathing. It is used to improve the respiratory health of patients.

How to take

Adult dose

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

Precautions

This medication should not be used in patients with allergies or hypersensitivity to this drug or its components. Patients with liver cirrhosis or cystathionine synthase deficiency should not be administered this medication as its metabolites may interfere with methionine metabolism. It is also safer to avoid use in patients with peptic ulcers or severe renal or hepatic dysfunction. In patients with mild to moderate hepatic impairment, it should be used cautiously, and the dosage should not exceed 300 mg per day. Diabetic patients or those on a low-calorie diet should be particularly cautious when using the syrup formulation of this medication. This medication contains a dye called Yellow No. 5; hence, patients with allergies or a history of hypersensitivity to this component should be administered with caution. Taking excessive amounts may cause symptoms such as sweating, dizziness, and flushing, so it is crucial to adhere to the prescribed dosage. Side effects such as headaches, cold symptoms, dyspnea, taste disturbances, nausea, vomiting, diarrhea, abdominal pain, and heartburn may occur; consult your doctor if you experience any unusual symptoms. Be aware of skin reactions like hives, erythema, and eczema. Caution is advised when taking this medication with other cough medicines, as it may complicate phlegm expulsion and increase the risk of bronchial infections. It is safe to refrain from using this medication during pregnancy or in women who may become pregnant, as well as during breastfeeding. Keep out of reach of children, and avoid transferring the medication to another container as this may lead to accidents or degradation of quality.

Side effects

  • sweating
  • dizziness
  • flushing
  • headache
  • cold
  • respiratory distress
  • taste disorder
  • nausea
  • vomiting
  • diarrhea
Show 18 more
  • epigastric pain
  • abdominal pain
  • heartburn
  • urticaria
  • erythema
  • eczema
  • fatigue
  • indigestion
  • gastrointestinal disturbances
  • acid reflux
  • nodular erythema
  • palpitations
  • facial swelling
  • general edema
  • itching
  • weakness
  • drowsiness
  • rash

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

Interactions

Drug interactions

Consult your doctor or pharmacist when taking this medication with cough medicines.

Storage

This medication should be stored in a tightly sealed container to prevent air or moisture from entering and should be kept at room temperature between 1 and 30 degrees Celsius. Proper storage will help prolong the effectiveness of the medication.

Appearance and packaging

Appearance

A hard capsule with a green upper part and a yellowish lower part containing white powder.

Package unit

30 capsules/bottle, 100 capsules/bottle

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 the cough medicine?

    When using it for acute respiratory diseases, it is advised not to take it continuously for more than 10 days. The adult dosage is 300 mg at a time, taken 2 to 3 times a day, and if symptoms persist, please seek medical advice.

    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.