Medication info
LNC Megafen Tablet (Acetaminophen Microcapsule)

LNC Megafen Tablet (Acetaminophen Microcapsule)

OTC medicationTablet경구
Ingredient · strength
Microencapsulated Acetaminophen›345.7mg / 1 tablet
Manufacturer / importer
(주)엘앤씨바이오
Appearance
White round tablet
Packaging
1000 tablets/bottle
Approval status
Active

MFDS item code 202006755 · Notified 2020.10.06 · Insurance code 060500030

Summary

Main use
Pain relief for cold (fever, pain) and neuralgia (headache, muscle pain), etc.
Who takes it
Adults
Adult dose
As acetaminophen, take 0.3-1.0g orally 3-4 times a day. The maximum daily dose is 4g. Adjust the dosage appropriately based on age, condition, and symptoms.

Ingredients

Manufacturer
(주)엘앤씨바이오

Efficacy & effects

Pain relief for cold (fever, pain) and neuralgia (headache, muscle pain), etc.

  • Fever and pain from colds
  • headache
  • neuralgia
  • muscle pain
  • menstrual pain
  • sprain pain
  • toothache
  • joint pain
  • rheumatic pain
View approved original text

This medication is effectively used for fever and pain caused by colds, headaches, neuralgia, muscle pain, menstrual pain, and sprain pain. It can also be used for toothache, joint pain, and rheumatic pain. It helps relieve pain and improve discomfort in the body, making daily life more comfortable.

How to take

Adult dose

As acetaminophen, take 0.3-1.0g orally 3-4 times a day. The maximum daily dose is 4g. Adjust the dosage appropriately based on age, condition, and symptoms.

Precautions

This medication can put a strain on the liver, so individuals who consume more than three glasses of alcohol daily should consult a doctor or pharmacist before taking it. If severe rashes, blisters, or red spots appear on the skin during use, discontinue use immediately and consult a professional. It contains acetaminophen, so care should be taken not to exceed the maximum daily dosage, as taking it with other acetaminophen-containing medications may lead to liver damage. Individuals with hypersensitivity, peptic ulcers, severe liver or kidney diseases, or decreased heart function should not take this medication. Patients with a history of aspirin asthma or those taking certain medications should also avoid using this drug. Those with lactose intolerance should not take this medication. Patients with liver or kidney issues, bleeding tendencies, seniors, pregnant or breastfeeding women must consult a professional before taking it. If symptoms like difficulty breathing, hives, severe vomiting, skin rashes, or bleeding occur during use, immediately discontinue and consult medical personnel. Regular blood tests and liver function tests are required with long-term use, and if symptoms persist or worsen, consult a professional. Children and seniors should take the minimal dosage and be monitored closely after use. Avoid taking it with other anti-inflammatory pain relievers, and do not take it continuously for more than 10 days without a prescription. In case of overdose, even if there are no symptoms, go to the hospital immediately for appropriate treatment. Keep this medication out of reach of children and store it tightly closed in its original container.

Side effects and when to seek care immediately

Serious side effects

Hives, severe swelling, chest tightness, difficulty breathing, cold sweat, pallor, severe rash with high fever, blistering, skin peeling, oral/eye mucosal pain, toxic epidermal necrolysis (Lyell's syndrome), Stevens-Johnson syndrome, anaphylactic reactions, hypersensitivity, asthma attacks, yellowing of the skin or eyes (jaundice), extreme fatigue, shock, confusion, severe headache, visual disturbances, paralysis, decreased urine output

Mild side effects

  • Nausea
  • vomiting
  • loss of appetite
  • pruritic rash
  • rash
  • fixed drug eruption
  • elevated AST
  • elevated ALT
  • decreased platelet function
  • prolonged bleeding time
Show 11 more
  • thrombocytopenia
  • agranulocytosis
  • hemolytic anemia
  • methemoglobinemia
  • cyanosis
  • high anion gap metabolic acidosis
  • chronic liver necrosis
  • acute pancreatitis
  • chronic hepatitis
  • renal toxicity
  • myocardial necrosis

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

Interactions

Drug interactions

Do not take this medication with barbiturates, tricyclic antidepressants, or other anti-inflammatory pain relievers. Consult with a doctor or pharmacist if taking lithium or thiazide diuretics.

Food interactions

Do not take this medication with alcohol.

Storage

This medication should be stored in a sealed container to prevent exposure to air and moisture, ideally at room temperature between 1 degree and 30 degrees Celsius. This storage method helps maintain the medication's effectiveness for a longer period.

Appearance and packaging

Appearance

White round tablet

Package unit

1000 tablets/bottle

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 for a headache the day after drinking alcohol?

    It is advised not to take alcohol with this medication. If you are considering taking it for a headache after drinking, please consult with a pharmacist first.

    Answers 1 · 2026.09.14

  • QWhat is the maximum amount I can take in a day?

    As acetaminophen, the dosage is 0.3 to 1.0g per dose, taken 3 to 4 times a day, with a maximum of 4g per day. Check the amount per tablet on the product label, and review with a pharmacist if any other medications contain the same ingredient.

    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.