Medication info
Colobron Capsule

Colobron Capsule

OTC medicationHard capsule
Ingredient · strength
Acetylcysteine›200mg / 1 capsuleChlorpheniramine Maleate›4mg / 1 capsule
Manufacturer / importer
정우신약(주)
Appearance
A hard capsule with a light blue shell filled with white powder.
Packaging
10 capsules/PTP, 90 capsules/PTP
Approval status
Active

MFDS item code 201804925 · Notified 2018.12.05

Summary

Main use
Improvement of symptoms related to acute and chronic respiratory diseases (cough, sputum) and pediatric cold.
Who uses it
Adults · Children
Adult dosage
Adults and those over 12 years: 1 capsule per dose, usually 3 times a day. Adjust as necessary according to age and symptoms.
Children's dosage
Children (3 to 12 years): 1/2 capsule per dose, usually 3 times a day. Adjust as necessary according to age and symptoms.

Ingredients

Manufacturer
정우신약(주)

Efficacy & effects

Improvement of symptoms related to acute and chronic respiratory diseases (cough, sputum) and pediatric cold.

  • Cough
  • sputum
  • acute and chronic respiratory diseases
  • bronchitis
  • pharyngitis
  • rhinitis
  • viral cold.
View approved original text

This medication is used for cough and sputum symptoms associated with acute and chronic respiratory diseases, such as bronchitis, pharyngitis, and rhinitis. It is also effective for coughs associated with pediatric viral colds and colds. Therefore, it helps alleviate uncomfortable cough and sputum symptoms due to respiratory diseases.

Dosage and Administration

Adult dosage

Adults and those over 12 years: 1 capsule per dose, usually 3 times a day. Adjust as necessary according to age and symptoms.

Children's dosage

Children (3 to 12 years): 1/2 capsule per dose, usually 3 times a day. Adjust as necessary according to age and symptoms.

Precautions

This medication should not be used in certain patients. For instance, individuals who are allergic to this medication or have ulcers in the stomach or duodenum should avoid taking it. Additionally, it should not be administered to patients with glaucoma or lower urinary tract obstruction diseases such as prostatic hypertrophy, as well as premature and newborn infants. Patients with genetic problems that prevent lactose breakdown should also not take this medication. There are cases where caution is needed when using this medication. Patients with increased intraocular pressure, hyperthyroidism, peptic ulcers, or pyloric duodenal obstruction should be careful, as this medication can worsen the symptoms. Individuals with cardiovascular diseases, epilepsy, or respiratory diseases should consult a doctor before administration. It is generally recommended not to give this medication to newborns unless in cases of severe illness. Taking this medication may rarely lead to gastrointestinal symptoms such as nausea, vomiting, heartburn, and diarrhea. Allergic reactions such as hives, itching, rash, headache, tinnitus, and bronchospasm may also occur, so caution is advised. In severe cases, there may be symptoms of tachycardia, hypertension, or shock; if any unusual symptoms arise, the medication should be stopped immediately, and medical personnel should be notified. This medication can cause drowsiness, so avoid driving vehicles or operating dangerous machinery while taking it. Furthermore, when taken with other medications, there may be interactions, so it is vital to consult a doctor or pharmacist. For example, taking it with some antibiotics or central nervous system depressants may reduce its effectiveness or increase drowsiness. Women who are pregnant or may become pregnant should use this medication cautiously, and nursing mothers should also be careful, as it may be excreted in breast milk. In elderly patients, physiological functions may decline, so they should be monitored closely while taking this medication. Overdose may lead to severe poisoning symptoms, so immediate medical attention should be sought for proper treatment. Finally, it is not recommended to mix this medication with other drug solutions.

Side effects and when to seek care immediately

Serious side effects

  • Hives
  • severe swelling (edema)
  • chest tightness
  • difficulty breathing
  • shock
  • cyanosis
  • respiratory distress
  • chest discomfort
  • convulsions
  • confusion
Show 2 more
  • aplastic anemia
  • agranulocytosis

Mild side effects

  • Nausea
  • vomiting
  • stomatitis
  • heartburn
  • diarrhea
  • itching
  • rash
  • headache
  • tinnitus
  • tachycardia
Show 30 more
  • hypertension
  • hypotension
  • convulsions
  • confusion
  • rash
  • photosensitivity
  • exfoliative dermatitis
  • muscle cramps
  • muscle weakness
  • lack of coordination
  • sedation
  • drowsiness
  • nervousness
  • anxiety
  • diplopia
  • insomnia
  • dizziness
  • vestibular disorders
  • dysphoria
  • emotional instability
  • hysteria
  • tremors
  • neuropathy
  • coordination abnormalities
  • sensory disturbances
  • neglect
  • decreased concentration
  • lethargy
  • thirst
  • loss of appetite

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

Interactions

Drug interactions

This medication should be consulted with a doctor or pharmacist if used with oral antibiotics (amoxicillin, cephuroxime, doxycycline, erythromycin, tiamphenicol), central nervous system depressants, or chlorpheniramine.

Food interactions

Caution is needed when taking this medication with alcohol.

Storage

This medication should be stored in a tightly closed container that protects it from air and moisture. It is important to maintain the storage temperature between 1 to 30 degrees Celsius.

Appearance and packaging

Appearance

A hard capsule with a light blue shell filled with white powder.

Package unit

10 capsules/PTP, 90 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

  • QI'm currently on antibiotics; is it okay to take this together?

    When using oral antibiotics such as amoxicillin or cephuroxime, it is advised to consult a doctor or pharmacist. Please continue to take the prescribed antibiotics and confirm with the prescribing doctor or pharmacist whether you can add this medication.

    Answers 1 · 2026.09.14

  • QCan I drive after taking it?

    Drowsiness, sedation, dizziness, and decreased concentration are stated as adverse reactions. If you experience drowsiness or trouble concentrating after taking the medication, avoid driving or operating machinery. It is also advised to consult a physician or pharmacist when taking with alcohol or central nervous system depressants.

    Answers 1 · 2026.09.14

  • QHow many capsules should my child take?

    Children aged 3 to 12 years typically take 1/2 capsule per administration, while adults and those over 12 years take 1 capsule, usually 3 times a day. The dosage should be adjusted according to age and symptoms, so consult a pharmacist when giving it to a child.

    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.