Medication info

Raferon 8-Hour Extended Release Tablet 650 mg (Acetaminophen)

OTC medicationTabletExpired
Ingredient · strength
Acetaminophen›325mg / 1 tablet
Manufacturer / importer
안국약품(주)
Appearance
White rectangular extended-release film-coated tablet
Packaging
30 tablets/bottle, 500 tablets/bottle, 6 tablets/box [6 tablets/PTP x 1]
Approval status
Expired

MFDS item code 202005157 · Approved 2020.07.16

This product's status changed to Expired on 2025.07.16. It may no longer be sold, so consult a doctor or pharmacist before taking it.

Summary

Main use
Relief of pain (headache, toothache, etc.)
Who uses it
Adults · Children
Adult dosage
Children 12 years and older and adults: Take 2 tablets every 8 hours. Do not exceed 6 tablets in 24 hours.
Children's dosage
Children 12 years and older and adults: Take 2 tablets every 8 hours. Do not exceed 6 tablets in 24 hours.

Ingredients

Manufacturer
안국약품(주)

Efficacy & effects

Relief of pain (headache, toothache, etc.)

  • Antipyretic
  • pain due to cold
  • headache
  • toothache
  • muscle pain
  • back pain
  • menstrual pain
  • joint pain
View approved original text

This medication has antipyretic effects and helps reduce fever, and it is used to relieve various pains caused by colds including headaches, toothaches, muscle pains, back pains, menstrual pains, and joint pains. It is good to remember that this medication can help reduce pain and improve discomfort when feeling unwell.

Dosage and Administration

Adult dosage

Children 12 years and older and adults: Take 2 tablets every 8 hours. Do not exceed 6 tablets in 24 hours.

Children's dosage

Children 12 years and older and adults: Take 2 tablets every 8 hours. Do not exceed 6 tablets in 24 hours.

Precautions

This medication can put a strain on the liver, so individuals who regularly consume more than three glasses of alcohol daily should consult a doctor or pharmacist before use. During treatment with this medication, serious rashes or blisters and allergic reactions may occur; if such symptoms appear, discontinue use immediately and consult a specialist. Since it contains acetaminophen, exceeding the maximum daily dose can lead to liver damage; hence, do not exceed the prescribed dose and avoid taking it with other medications containing acetaminophen. Individuals with hypersensitivity, peptic ulcers, or severe liver, kidney, or heart conditions should not take this medication, and those currently taking certain medications or consuming alcohol should also avoid it. This medication is an extended-release formulation, so do not crush or chew the tablets; swallow them whole. Patients with liver, kidney, or heart diseases, hypersensitivity, asthma, elderly patients, pregnant or breastfeeding women, or those taking certain medications should consult a specialist before use. If symptoms of shortness of breath, severe allergic reactions, persistent nausea, skin rashes, or bleeding occur during use, discontinue use immediately and consult a doctor or pharmacist. For prolonged use, regular blood tests and liver function tests are required; if abnormalities are found, dosage adjustments or discontinuation are necessary, and co-administration with other analgesics should be avoided. Children and elderly patients should take the minimum effective dose and pay particular attention to adverse reactions. In case of overdose, even if there are no symptoms, it is necessary to go to a hospital for preventive liver care. Store this medication in a tightly closed container at room temperature, out of reach of children, and do not transfer to another container for safety.

Side effects and when to seek care immediately

Serious side effects

  • Hives, severe swelling (edema), chest tightness, difficulty breathing, cold sweat, pallor → severe allergic reaction
  • Severe rash, blisters, peeling skin, pain in mucous membranes of mouth/eyes along with high fever → severe skin adverse reaction
  • Shortness of breath or difficulty breathing, asthmatic attacks, cough + fever with respiratory issues → respiratory problems
  • Yellowing of skin or eyes (jaundice), extreme lethargy → liver issues (jaundice)
  • ...

Mild side effects

  • Nausea
  • vomiting
  • loss of appetite
  • pruritic rash
  • rash
  • fixed drug eruption
  • elevated AST
  • elevated ALT

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

Storage

Store this medication in a tightly closed container to prevent air from entering, and it is best to keep it at a temperature between 1 degree and 30 degrees Celsius. Storing it this way will maintain the medication's efficacy and prevent degradation.

Appearance and packaging

Appearance

White rectangular extended-release film-coated tablet

Package unit

30 tablets/bottle, 500 tablets/bottle, 6 tablets/box [6 tablets/PTP x 1]

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

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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.