Medication info
Clafen Tablets

Clafen Tablets

OTC medicationTablet경구Approval withdrawn
Ingredient · strength
Acetaminophen›300mg / 1 tabletChlorzoxazone›250mg / 1 tablet
Manufacturer / importer
하이플생명과학(주)
Appearance
White to yellowish oblong film-coated tablets
Packaging
10 tablets/box [(10 tablets/PTP)], 240 tablets/box [(2 tablets/pack × 120)], 360 tablets/box [(2 tablets/pack × 180)], 480 tablets/box [(2 tablets/pack × 240)]
Approval status
Approval withdrawn

MFDS item code 200301596 · Notified 2003.09.22

This product's status changed to Approval withdrawn on 2023.11.23. It may no longer be sold, so consult a doctor or pharmacist before taking it.

Summary

Main use
Relief of muscle tension such as neuralgia, myalgia
Who takes it
Adults
Adult dose
Take 2 tablets at a time, up to 4 times a day, avoiding taking it on an empty stomach. Adjust dosage as needed depending on age and symptoms.

Ingredients

Manufacturer
하이플생명과학(주)

Efficacy & effects

Relief of muscle tension such as neuralgia, myalgia

  • Neuralgia
  • myalgia
  • arthralgia
  • lumbago
  • sprains
  • shoulder pain
  • muscle spasms
  • muscle rigidity
View approved original text

This medication helps alleviate various pains such as neuralgia, myalgia, arthralgia, lumbago, sprains, and shoulder pain. It is also effective for symptoms accompanied by muscle tension such as muscle spasms or rigidity. These symptoms can cause significant discomfort in daily life, and this medication works to reduce pain and improve muscle tension, facilitating the patient’s movement. Therefore, it is used to relieve muscle and joint-related pain and abnormal tension.

How to take

Adult dose

Take 2 tablets at a time, up to 4 times a day, avoiding taking it on an empty stomach. Adjust dosage as needed depending on age and symptoms.

Precautions

This medication may cause liver damage if taken by individuals who regularly consume more than three alcoholic beverages per day, so it is essential to consult a physician or pharmacist. This medication contains acetaminophen, and taking it with other acetaminophen-containing products may exceed the maximum allowable daily dosage and may lead to liver damage, so caution is advised. It should not be used by individuals with specific allergic reactions or who have experienced asthma symptoms. If symptoms such as skin rash, swelling, or difficulty breathing occur while taking this medication, discontinue use immediately and consult a specialist. Caution is necessary when taken with alcohol or certain medications as it may slow down the metabolism of acetaminophen, putting strain on the liver. Patients with severely impaired liver or kidney function or a history of allergies should use this medication cautiously. This medication may cause various side effects such as hives, skin rash, gastrointestinal disturbances, drowsiness, dizziness, headache, fatigue, excessive excitement, rare gastrointestinal bleeding, angioedema, urine discoloration, petechiae, and purplish spots on the skin (petechial hemorrhage), so consult a specialist if unusual symptoms occur. Safety for pregnant women has not been fully established, and it should be administered carefully under a physician’s judgment. There may be interactions when taken with alcohol or central nervous system depressants, so caution is advised.

Side effects and when to seek care immediately

Serious side effects

Hives, severe swelling (angioedema of the larynx, eyelids, lips, etc.), chest tightness, shortness of breath, cold sweat, pallor, severe rash with high fever, erythema, burn-like blisters, pain in the skin and oral/ocular mucosa, asthma attacks, liver dysfunction, changes in urine color (possibility of jaundice)

Mild side effects

Erythema (redness), itching, gastrointestinal disturbances, drowsiness, dizziness, headache, fatigue, excessive excitement, rare gastrointestinal bleeding, angioedema, urine discoloration, petechiae, purplish spots on the skin (petechial hemorrhage)

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

Storage

This medication should be stored in a tightly sealed container that is well-ventilated, and it is best to store it at room temperature between 1 and 30 degrees Celsius. This storage method helps maintain the drug's effectiveness for a long time.

Appearance and packaging

Appearance

White to yellowish oblong film-coated tablets

Package unit

10 tablets/box [(10 tablets/PTP)], 240 tablets/box [(2 tablets/pack × 120)], 360 tablets/box [(2 tablets/pack × 180)], 480 tablets/box [(2 tablets/pack × 240)]

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.