Medication info

Relax Tablets

OTC medicationTablet경구Approval withdrawn
Ingredient · strength
Acetaminophen›300mg / 1 tabletChlorzoxazone›250mg / 1 tablet
Manufacturer / importer
주식회사제뉴원사이언스
Appearance
White oval tablet
Packaging
10 tablets (10 tablets/PTP packaging x 1)
Approval status
Approval withdrawn

MFDS item code 200810727 · Notified 2008.10.30

This product's status changed to Approval withdrawn on 2023.09.18. It may no longer be sold, so consult a doctor or pharmacist before taking it.

Summary

Main use
Relief of muscle tension associated with nerve pain, muscle pain, etc.
Who takes it
Adults
Adult dose
Take 2 tablets at a time, up to 4 times a day. Avoid taking on an empty stomach. Adjust according to age and symptoms.

Ingredients

Manufacturer
주식회사제뉴원사이언스

Efficacy & effects

Relief of muscle tension associated with nerve pain, muscle pain, etc.

  • Neuralgia
  • myalgia
  • arthralgia
  • low back pain
  • sprain pain
  • shoulder pain
  • muscle cramps
  • muscle rigidity
View approved original text

This medication is used to relieve pain and discomfort associated with various conditions involving abnormal muscle tension, such as neuralgia, myalgia, arthralgia, low back pain, sprain pain, shoulder stiffness and pain, muscle cramps, and muscle rigidity.

How to take

Adult dose

Take 2 tablets at a time, up to 4 times a day. Avoid taking on an empty stomach. Adjust according to age and symptoms.

Precautions

This medication may cause liver damage in individuals who regularly consume more than three alcoholic beverages a day; hence, consultation with a physician or pharmacist is essential. This medication contains acetaminophen; taking it in conjunction with other products containing acetaminophen may exceed the maximum daily dosage and increase the risk of liver damage, so they should not be taken together. Individuals allergic to chlorzoxazone or acetaminophen, or those who have had hypersensitivity reactions such as skin rash, swelling, or itching with this medication should not take it. If symptoms such as hives, swelling, chest tightness, or difficulty breathing occur while taking this medication, discontinue use immediately and consult a physician or pharmacist. Caution is advised when taking this medication alongside barbiturates, tricyclic antidepressants, or alcohol, as it may slow the metabolism of acetaminophen and increase liver toxicity. People with severe liver or kidney disease or a history of allergies should use this medication with caution. This medication may cause allergic reactions such as hives, redness, and itching, and rarely can lead to side effects like liver dysfunction, gastrointestinal bleeding, drowsiness, and dizziness. Pregnant women or those who may become pregnant should consult a physician before use as the safety of this medication has not been established. Caution is needed as this medication may potentiate the effects of alcohol or central nervous system depressants, posing a risk. Store out of reach of children, avoid direct sunlight, and keep in a cool, dry, sealed place. To maintain quality, do not transfer to another container and prevent misuse.

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 with high fever, blisters, skin peeling, oral/ocular mucosal pain → severe skin reaction
  • Asthmatic attack → respiratory issues
  • Angioedema or anaphylaxis symptoms
  • Liver dysfunction (liver damage)

Mild side effects

  • Headache
  • dizziness
  • fatigue
  • excessive excitement
  • gastrointestinal disturbances
  • gastrointestinal bleeding
  • redness (hyperemia)
  • itching
  • drowsiness
  • petechiae
Show 2 more
  • purpura
  • urine discoloration

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

Storage

This medication should be stored in a sealed container to prevent air or moisture ingress, ideally at room temperature between 1 to 30 degrees Celsius. By storing it this way, the medication's efficacy can be maintained and degradation can be prevented.

Appearance and packaging

Appearance

White oval tablet

Package unit

10 tablets (10 tablets/PTP packaging 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.