Bufferin Luna J
ใใใกใชใณใซใJ
Analgesic and antipyretic โ chewable tablets for ages 7 and older (acetaminophen)
Chewable tablets
Relief of menstrual pain, headache, lower back pain, shoulder pain, muscle pain, joint pain, bruising pain, fracture pain, sprain pain, toothache, post-extraction pain, neuralgia, earache, traumatic pain, and sore throat. Also for fever and chills.
Active Ingredients (per tablet)
Acetaminophen 100mg
Inactive Ingredients
Ethylcellulose, sodium lauryl sulfate, cetanol, triacetin, synthetic hydrotalcite, D-mannitol, cornstarch, hydroxypropylcellulose, sucralose, l-menthol, flavoring, dextrin, vanillin, magnesium stearate
Instructions for Use
- โChew or let dissolve in the mouth. Can be taken without water. Try to avoid taking on an empty stomach. Leave at least 4 hours between doses.
| Age | Dose per use | Times per day |
|---|---|---|
| Adults and teens (15 years and older) | 3 tablets | Up to 3 times daily (at least 4 hours apart) |
| Teens 11โ14 years | 2 tablets | Up to 3 times daily (at least 4 hours apart) |
| Children 7โ10 years | 1 tablet | Up to 3 times daily (at least 4 hours apart) |
| Under 7 years | Do not use | โ |
- โChildren should take under adult supervision.
- โWhen carrying the medicine outside (e.g., to school), instruct children on the correct dosage and how to take it in advance.
- โFollow the recommended dosage strictly.
- โTo remove a tablet: press firmly on the raised bump of the blister pack to break through the foil backing, then take the tablet out. Do not swallow the tablet while still inside the blister sheet โ it may pierce the esophageal lining and cause serious injury.
- โDo not use if you have had an allergic reaction to this product or any of its ingredients.
- โDo not use if you have had asthma triggered by this product, other analgesics/antipyretics, or cold medicines.
- โDo not take together with other analgesics/antipyretics, cold medicines, or sedatives.
- โDo not drink alcohol before or after taking.
- โDo not use long-term.
- โ Consult a doctor, dentist, pharmacist, or registered salesperson before use if you:
- (1) Are under medical or dental treatment.
- (2) Are pregnant or possibly pregnant.
- (3) Are elderly.
- (4) Have had allergic reactions to medicines or other substances.
- (5) Have been diagnosed with heart disease, kidney disease, liver disease, or gastric or duodenal ulcers.
- โSeek immediate medical attention if any of the following serious side effects occur:
- Anaphylactic shock: itching, hives, hoarseness, sneezing, throat itching, difficulty breathing, palpitations, or loss of consciousness shortly after taking
- Stevens-Johnson syndrome / Toxic epidermal necrolysis / Acute generalized exanthematous pustulosis: high fever, eye redness, discharge, lip sores, sore throat, widespread skin rash or redness, pustules on reddened skin, general malaise, or loss of appetite that persists or suddenly worsens
- Drug-induced hypersensitivity syndrome: widespread skin redness, generalized rash, fever, general malaise, swelling of lymph nodes (neck, armpits, groin)
- Liver dysfunction: fever, itching, rash, jaundice (yellowing of skin or eyes), dark urine, general malaise, loss of appetite
- Kidney disorder: fever, rash, decreased urination, general swelling, general malaise, joint pain, diarrhea
- Interstitial pneumonia: shortness of breath on exertion, difficulty breathing, dry cough, or fever that appears suddenly or persists
- Asthma: wheezing or hissing when breathing, difficulty breathing
- โStop use and consult a doctor, pharmacist, or registered salesperson, bringing this package insert with you, if any of the following occur after taking:
- Skin: rash, redness, itching
- GI: nausea/vomiting, loss of appetite
- CNS: dizziness
- Other: excessive drop in body temperature
- โIf symptoms do not improve after 5โ6 doses, stop and consult a doctor, dentist, pharmacist, or registered salesperson, bringing this package insert with you.
- โStore in a cool, dry place away from direct sunlight. Keep out of reach of children. Do not transfer to another container. Do not use after the expiry date. Do not scratch or damage the foil on the back of unused tablets, as this may cause the medicine to deteriorate.
Additional Information
Age-appropriate dosing for children in elementary, middle, and high school (ages 7โ14).
Contains no drowsy ingredients โ won't interfere with school life.
Fruit-flavored chewable tablet โ not bitter, and can be taken without water.
Note: Bufferin products contain different active ingredients. The active ingredient in this product is acetaminophen. Inform your doctor, dentist, pharmacist, or registered salesperson of this when seeking advice.
Sources & Documents
- Japanese product page
- English PDF
- Japanese PDF
- Last verified: May 29, 2026
Related Medicines
For informational purposes only. Always consult a doctor or pharmacist before taking any medication.