Medication info

On-Q Coin Plaster

OTC medicationPatch
Ingredient · strength
Methyl Salicylate›6.93mg / 1 sheetL-Menthol›5.389mg / 1 sheetTocopherol Acetate›0.308mg / 1 sheetVanillyl Nonylamide›0.071mg / 1 sheetEnoxolone›0.1315mg / 1 sheet
Manufacturer / importer
대화제약(주)
Appearance
A round patch (diameter 28mm) coated with a translucent adhesive substance.
Packaging
30 patches per box
Approval status
Active

MFDS item code 202501291 · Notified 2025.05.23

Summary

Main use
Pain relief, anti-inflammatory (muscle pain, joint pain, etc.) and relief of skin itching.
Who uses it
Adults
Adult dosage
Apply 1 to several patches appropriately on the affected area per day.

Ingredients

Manufacturer
대화제약(주)

Efficacy & effects

Pain relief, anti-inflammatory (muscle pain, joint pain, etc.) and relief of skin itching.

  • sprains
  • bruises
  • muscle pain
  • joint pain
  • fracture pain
  • back pain
  • shoulder stiffness
  • neuralgia
  • rheumatic pain
  • skin itching
  • insect bites
  • chilblains
View approved original text

This medication is used as an effective analgesic and anti-inflammatory agent for a variety of pains and inflammations such as sprains, bruises, muscle aches, joint pain, fracture pain, back pain, shoulder stiffness, neuralgia, and rheumatic pain. It also helps relieve skin itching and insect bites. It acts effectively on symptoms of chilblains. Overall, it is used for the relief of various musculoskeletal pain and skin symptoms.

Dosage and Administration

Adult dosage

Apply 1 to several patches appropriately on the affected area per day.

Precautions

This medicine should not be used by individuals who have allergic reactions to the ingredients contained in it. It should not be applied around the eyes, mucous membranes, or on areas with eczema, dermatitis, or wounds. Individuals who have previously experienced allergic symptoms such as skin rashes or itching from medications or cosmetics should consult a professional before use. It is also important to consult a doctor or pharmacist before using this medicine if there are any allergies in oneself or family members. People with very sensitive skin or serious wounds, as well as those with circulatory diseases or diabetes, should consult a professional before using this medicine. Children under 12 years old, pregnant women, women who might become pregnant, and nursing mothers should consult a professional before using this medicine. If any abnormal symptoms such as rash, redness, swelling, itching, or pain appear on the skin after using this medicine, discontinue use immediately and consult a professional. If symptoms do not improve after 5-6 days of use, stop using and consult a doctor or pharmacist. This medication must be used strictly according to the prescribed dosage and method, and supervision by a guardian is required when used by children. This medicine is for external use only and should not be ingested or inhaled. Avoid contact with the eyes; if it gets into the eyes, wash immediately with clean water and seek ophthalmic care if symptoms are severe. Do not touch the eyes or mucous membranes with hands that have been in contact with the medication; wash hands thoroughly if touched. Do not cover or wrap the area where the medication is applied, and take care to avoid exposure to hot water or heat. Be cautious as contact with water on the application site may cause irritation. Individuals with sensitive skin should avoid continuously applying this medicine to the same area. Be careful to avoid contact between this medicine and objects that can dissolve in alcohol, such as eyeglass frames or synthetic fibers. The methyl salicylate component in this medicine can cause toxicity if absorbed excessively through the skin, so it is safest not to use it on large areas or for extended periods. This medicine should be kept out of reach of children and stored in a cool, dry place away from direct sunlight. Transferring the medication from its original container to another can reduce its quality or result in misuse, so it should be stored in its original container. After use, make sure to close the lid tightly to prevent leakage, and take care to avoid damaging or staining plastic, clothing, wood, and leather with this medicine.

Side effects and when to seek care immediately

Serious side effects

  • Hives
  • severe swelling (edema)
  • potential for severe allergic reactions

Mild side effects

  • Rash
  • redness
  • itching
  • pain
  • swelling (including possible edema)

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

Storage

This medicine should be stored in a tightly sealed container to avoid exposure to air and moisture. The ideal storage temperature is between 1 and 30 degrees Celsius at room temperature. Proper storage helps maintain the effectiveness of the medication for a longer time.

Appearance and packaging

Appearance

A round patch (diameter 28mm) coated with a translucent adhesive substance.

Package unit

30 patches per box

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

No questions yet.

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.