Medication info

Cold Keeper Syrup

OTC medicationSyrup경구
Ingredient · strength
Galgeuntang Dried Extract (4→1)›417mg / 1 packetAcetaminophen›320mg / 1 packetAnhydrous Caffeine›30mg / 1 packetChlorpheniramine Maleate›2.5mg / 1 packet
Manufacturer / importer
(주)한풍제약, (유)한풍제약
Appearance
Brown syrup with a distinct taste and smell, contained in aluminum foil
Packaging
6 packets/box [13 milliliters/packet x 6]
Approval status
Active

MFDS item code 202000011 · Notified 2020.01.02

Summary

Main use
Relief of cold symptoms (runny nose, nasal congestion, etc.)
Who takes it
Adults · Children
Adult dose
Adults (15 years and older): take 1 packet (13mL) three times a day after meals, 30 minutes after eating. The interval between doses is generally 4 hours. If necessary, it may be taken at bedtime.
Child dose
Ages 11 to under 15 years: take 2/3 packet (8.7mL) three times a day after meals, 30 minutes after eating. Ages 7 to under 11 years: take 1/2 packet (6.5mL) three times a day after meals, 30 minutes after eating.

Ingredients

Manufacturer
(주)한풍제약
Manufacturer
(유)한풍제약

Efficacy & effects

Relief of cold symptoms (runny nose, nasal congestion, etc.)

  • Runny nose
  • nasal congestion
  • sneezing
  • sore throat
  • chills
  • fever
  • headache
  • joint pain
  • muscle pain
View approved original text

This medication helps relieve cold symptoms such as runny nose, nasal congestion, sneezing, sore throat, chills, fever, headache, joint pain, and muscle pain. It quickly alleviates symptoms to prevent disruption to daily life and supports the patient in recovering more comfortably. Therefore, it is effectively used for relief of cold symptoms.

How to take

Adult dose

Adults (15 years and older): take 1 packet (13mL) three times a day after meals, 30 minutes after eating. The interval between doses is generally 4 hours. If necessary, it may be taken at bedtime.

Child dose

Ages 11 to under 15 years: take 2/3 packet (8.7mL) three times a day after meals, 30 minutes after eating. Ages 7 to under 11 years: take 1/2 packet (6.5mL) three times a day after meals, 30 minutes after eating.

Precautions

This medication may cause liver damage if taken by individuals who regularly consume more than three alcoholic drinks a day, so it is important to consult with a doctor or pharmacist. As it contains acetaminophen, serious skin reactions may occur infrequently; if a rash or allergic symptoms appear after taking it, intake should be immediately discontinued. Care should be taken not to exceed a maximum of 4,000mg of acetaminophen per day, and it should not be taken in conjunction with other acetaminophen-containing products to prevent liver damage. Additionally, the artificial sweetener aspartame contained in this medication breaks down to phenylalanine, so it should not be taken by patients with phenylketonuria. Individuals with allergies to this medication or its components, those who have had experiences triggering asthma, infants under three months of age, and those taking or who have recently discontinued certain antidepressants or psychiatric medications should avoid this medication. While taking this medication, it is safe to avoid the concurrent use of cough suppressants, other cold medications, antipyretics, sedatives, and antihistamines. Children with chickenpox or influenza, those with a history of allergies or specific diseases such as liver, kidney, or heart disease, and women who are pregnant or breastfeeding should consult with a healthcare professional before use. If unusual symptoms such as rash, itching, nausea, dizziness, or difficulty breathing occur while taking this medication, discontinue use immediately and consult a healthcare professional; if symptoms do not improve, further medical attention may be necessary. It should not be administered to children under two years of age unless absolutely necessary, and in such cases, a doctor's consideration is required. Strictly adhere to the prescribed dosage and regimen, avoid prolonged use, and refrain from alcohol consumption. Drowsiness may occur while using this medication, so it is advisable to avoid driving or operating machinery. There may be a risk of side effects when combined with certain medications, so if taking other medications, consulting a professional is essential.

Side effects and when to seek care immediately

Serious side effects

Hives, severe swelling (edema), chest tightness, difficulty breathing, cold sweat, pallor (anaphylaxis), severe rash with high fever, blisters, skin peeling, pain in oral or ocular mucosa (Stevens-Johnson syndrome, toxic epidermal necrolysis), asthma, yellowing of skin or eyes (jaundice), generalized malaise (liver function disorder), cough, shortness of breath or difficulty breathing, fever (interstitial pneumonia), decreased urine output, severe overall swelling

Mild side effects

  • Rash
  • redness
  • itching
  • nausea
  • vomiting
  • loss of appetite
  • constipation
  • swelling
  • difficulty urinating
  • thirst
Show 4 more
  • dizziness
  • anxiety
  • tremors
  • insomnia

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

Interactions

Drug interactions

This medication should not be taken with other products containing acetaminophen, MAO inhibitors (antidepressants, antipsychotics, mood stabilizers, antiparkinson agents, etc.), cough suppressants, other cold medications, antipyretics, sedatives, and antihistamines (oral medications for rhinitis, anti-motion sickness drugs, allergy medications), as well as diabetes medications, gout medications, arthritis medications, anticoagulants, steroids, barbiturates, tricyclic antidepressants, and loop diuretics.

Food interactions

This medication should be used with caution when taken with potassium-containing preparations, licorice-containing preparations, glycyrrhizin or its salts.

Storage

This medication must be stored in a tightly sealed container to prevent exposure to air and humidity. It is recommended to maintain a storage temperature between 1 degree and 30 degrees Celsius (room temperature).

Appearance and packaging

Appearance

Brown syrup with a distinct taste and smell, contained in aluminum foil

Package unit

6 packets/box [13 milliliters/packet x 6]

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

  • QCan I take it once more before bed?

    The product leaflet states that it should be taken 30 minutes after meals, 3 times a day, and can be taken before bedtime if necessary, with an interval of 4 hours as a general rule. For adults (aged 15 and older), the dose is 1 packet (13mL) per use, and for children, the amount decreases according to their age.

    Answers 1 · 2026.09.14

  • QCan it be taken with fever reducers?

    It is advisable not to take them together. This medication contains acetaminophen, and the guidance indicates not to take it with other products containing acetaminophen, other cold medications, or antipyretic analgesics. If you are taking any other medications, please check the ingredients with your 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.