Medication info
Mahafen Tablets 500 mg (Acetaminophen)

Mahafen Tablets 500 mg (Acetaminophen)

OTC medicationTablet경구
Ingredient · strength
Acetaminophen›500mg / 1 tablet
Manufacturer / importer
일양바이오팜(주)
Appearance
White oblong film-coated tablet
Packaging
10 tablets/box [10 tablets/PTP], 30 tablets/bottle
Approval status
Active

MFDS item code 202400157 · Notified 2024.01.22

Summary

Main use
Relief of cold (fever, pain) and pain (headache, neuralgia, etc.)
Who takes it
Adults · Children
Adult dose
Take 1 to 2 tablets at a time, 3 to 4 times a day (every 4 to 6 hours) as needed. Do not exceed the maximum daily dosage of 4 g (8 tablets). This medication should be taken at the minimum effective dose for the shortest duration possible.
Child dose
Children aged 12 years and older: Take 1 to 2 tablets at a time, 3 to 4 times a day (every 4 to 6 hours) as needed. Do not exceed the maximum daily dosage of 4 g (8 tablets). This medication should be taken at the minimum effective dose for the shortest duration possible.

Ingredients

Manufacturer
일양바이오팜(주)

Efficacy & effects

Relief of cold (fever, pain) and pain (headache, neuralgia, etc.)

  • Fever
  • pain
  • headache
  • neuralgia
  • muscle pain
  • menstrual cramps
  • sprain pain
  • toothache
  • joint pain
  • rheumatic pain
View approved original text

This medication is effective for fever and pain related to colds, headaches, neuralgia, muscle pain, menstrual cramps, and sprain pain. It can also be used for toothaches, joint pain, and rheumatic pain, thus aiding in the relief of various pains. Overall, it is used to improve symptoms associated with multiple types of pain.

How to take

Adult dose

Take 1 to 2 tablets at a time, 3 to 4 times a day (every 4 to 6 hours) as needed. Do not exceed the maximum daily dosage of 4 g (8 tablets). This medication should be taken at the minimum effective dose for the shortest duration possible.

Child dose

Children aged 12 years and older: Take 1 to 2 tablets at a time, 3 to 4 times a day (every 4 to 6 hours) as needed. Do not exceed the maximum daily dosage of 4 g (8 tablets). This medication should be taken at the minimum effective dose for the shortest duration possible.

Precautions

This medication can place a burden on the liver, so individuals who consume three or more alcoholic beverages daily should consult with a doctor or pharmacist before use. Additionally, if symptoms such as severe rash, blisters, or redness appear on the skin while taking this medication, discontinue use immediately and consult with a doctor. This medication contains acetaminophen, so caution is needed to not exceed the maximum daily dosage of 4,000 mg, and it should not be taken with other products containing acetaminophen. Individuals who have allergic reactions to this medication, or those with peptic ulcers, severe liver or kidney impairment, decreased heart function, or a history of aspirin-induced asthma should not take this medication. Furthermore, it is safest for those currently taking certain medications or consuming alcohol to avoid this medication. Individuals with liver or kidney problems, blood disorders, a tendency to bleed, asthma, elderly patients, and those who are pregnant or breastfeeding should consult with a doctor or pharmacist before use. If serious side effects such as difficulty breathing, rash, severe vomiting, or peeling skin occur, discontinue use immediately and consult with medical personnel. For those taking this medication for an extended period, regular blood tests and liver function tests should be performed, adjusting or discontinuing dosage as necessary if abnormalities arise. Children and the elderly should take the minimum effective dose and be monitored for excessive temperature drop or fainting symptoms. Avoid taking this medication alongside other anti-inflammatory analgesics, and it is advisable to consult a doctor if pain or fever persists for an extended duration. In the case of overdose, seek medical attention for liver protective treatment, even if symptoms are absent. Lastly, store this medication in a sealed container at room temperature, keeping it out of reach of children. Taking the medication out of its original container and storing it in another container may cause misuse or deterioration of quality, so caution is advised.

Side effects and when to seek care immediately

Serious side effects

Rash, severe swelling, chest tightness, difficulty breathing, cold sweat, pallor, severe rash with fever, blisters, skin peeling, mucosal pain in the mouth/eyes, rash, mucosal syndrome (Stevens-Johnson syndrome), toxic epidermal necrolysis, anaphylactic reaction, hypersensitivity, asthma attacks, liver abnormalities (including liver damage, necrosis, jaundice), severe edema, severe nephrotoxicity, acute systemic reactions

Mild side effects

Nausea, vomiting, loss of appetite, pruritic (itchy) rash, rash, fixed drug eruption, thrombocytopenia, agranulocytosis, hemolytic anemia, impaired platelet function, cyanosis, high-frequency ion metabolic acidosis, chronic hepatitis, acute pancreatitis, nephrotoxicity, increased AST and ALT levels in the hepatobiliary system, fixed drug eruption

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

Interactions

Drug interactions

Do not take this medication with other anti-inflammatory (anti-inflammatory) analgesics, barbiturates, or tricyclic antidepressants. Patients on long-term warfarin should consult with a doctor or pharmacist. Patients taking lithium or thiazide diuretics should consult with a doctor or pharmacist.

Food interactions

Do not take this medication with alcohol.

Storage

This medication should be stored in a sealed container to prevent air exposure, ideally at room temperature between 1 and 30 degrees Celsius. This helps maintain its effectiveness and safety.

Appearance and packaging

Appearance

White oblong film-coated tablet

Package unit

10 tablets/box [10 tablets/PTP], 30 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

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.