Takepron s
タケプロンs
Proton pump inhibitor (lansoprazole), reduces stomach acid
Orally disintegrating tablets
Heartburn, heavy stomach feeling, and stomach pain (this product contains a proton pump inhibitor, which reduces stomach acid secretion).
Active Ingredients (per 1 tablet (daily dose))
Lansoprazole 15 mg
Inactive Ingredients
Lactose hydrate, cellulose, magnesium carbonate, hydroxypropyl cellulose, hypromellose, talc, titanium oxide, D-mannitol, methacrylic acid copolymer LD, sodium lauryl sulfate, polysorbate 80, ethyl acrylate-methyl methacrylate copolymer, polyoxyethylene nonylphenyl ether, triethyl citrate, macrogol, glyceryl stearate, red ferric oxide, citric acid, crospovidone, aspartame (L-phenylalanine compound), magnesium stearate, flavor
Instructions for Use
- ✓Take 1 tablet once a day, at the same time each day. Let it dissolve in your mouth and swallow it, or take it with water or lukewarm water.
| Age | Dose per use | Times per day |
|---|---|---|
| 15 years and older | 1 tablet | Once daily |
| Under 15 years | Do not use | — |
- ✓Follow the recommended dosage strictly.
- ✓If your symptoms clear up, stop taking it.
- ✓The tablet breaks down in your mouth, but the medicine is not absorbed through the lining of the mouth. Swallow it with saliva or water.
- ✓To remove a tablet from the PTP sheet, press firmly on the raised side of the sheet with your fingertip to break the aluminum foil on the back, then take out the tablet. Do not swallow the PTP sheet, as it may puncture the esophageal lining and cause serious injury.
- ✕Do not use this product if you:
- (1) Have ever had an allergic reaction to this product or any of its ingredients.
- (2) Are taking rilpivirine hydrochloride (an HIV medicine).
- ✕Do not use any of the following medicines while taking this product: other stomach and intestinal medicines; oral medicines containing theophylline (cough and phlegm medicines, motion sickness medicines); or oral medicines containing magnesium oxide (laxatives, etc.).
- ✕Do not take this product while breastfeeding. If you take it, avoid breastfeeding.
- ✕Do not take for more than 2 weeks in a row, counting any use of other proton pump inhibitors. (You may overlook a serious digestive disease, so see a doctor.)
- ✓Seek immediate medical attention if any of the following serious symptoms appear:
- • Shock (anaphylaxis): Itching of skin, hives, hoarseness, sneezing, itchy throat, difficulty breathing, palpitations, or clouded consciousness immediately after use.
- • Stevens-Johnson syndrome / toxic epidermal necrolysis: High fever, redness of eyes, eye discharge, sores on lips, sore throat, or widespread rash or redness on skin that persists or rapidly worsens.
- • Liver disorder: Fever, itching, rash, jaundice (yellowing of the skin or whites of the eyes), dark urine, general fatigue, or loss of appetite.
- • Interstitial pneumonia: Shortness of breath with climbing stairs or slight exertion, dry cough, fever, or other symptoms that appear suddenly or persist.
- • Kidney disorder: Fever, rash, decreased urine output, swelling throughout the body, general fatigue, joint pain, or diarrhea.
- • Blood disorder: Fever, chills, sore throat, nosebleed, bleeding gums, bruising, bleeding that is hard to stop, heavy head, palpitations, shortness of breath, general fatigue, dizziness, yellowing of the whites of the eyes or skin, or dark urine.
- • Visual disturbance: Difficulty seeing letters or shapes, or abnormal visual field.
- • Hypomagnesemia (low blood magnesium): Nausea, vomiting, loss of appetite, general fatigue, twitching of the muscles of the face or limbs, feeling spaced out for a moment, decreased consciousness, stiff muscles in the hands and feet with convulsive shaking, numbness, dizziness, palpitations, or fainting.
- ⚠Consult a doctor or pharmacist before use if you:
- (1) Are under medical treatment.
- (2) Are pregnant or possibly pregnant.
- (3) Are elderly.
- (4) Have ever had an allergic reaction to a medicine.
- (5) Have unexplained weight loss, or persistent stomach pain or abdominal pain.
- (6) Have been diagnosed with liver disease, gastric or duodenal ulcer, or phenylketonuria.
- ✓Stop use immediately and consult a doctor or pharmacist — bringing this package insert with you — if any of the following appear after taking this product, as they may be side effects:
- Skin: Rash, redness, itching, or blisters
- Gastrointestinal: Abdominal bloating, constipation, diarrhea, bloody stools, rectal bleeding, nausea/vomiting, loss of appetite, abdominal pain, taste abnormalities, mouth sores, tongue inflammation, dry mouth, or difficulty swallowing, heartburn, vomiting, and white patches in the mouth (these suggest a possible Candida infection)
- Nervous system: Headache, depressed mood, insomnia, dizziness, drowsiness, tremor, convulsions, or decreased consciousness
- Other: Fever, gynecomastia (breast enlargement in men), swelling, general fatigue, numbness of the tongue or lips, numbness in the hands and feet, muscle pain, hair loss, weakness, joint pain, or blurred vision
- ✓Stop use and consult a doctor or pharmacist — bringing this package insert with you — if symptoms do not improve after 3 days.
- ✓Store in the box in a cool, dry place away from direct sunlight. Keep out of reach of children. Do not transfer to another container (this can cause mistaken use or affect quality). Do not use after the expiry date. Write the date you opened the inner foil pouch in the "opening date" box on the carton. Once the inner foil pouch is opened, use within about 6 months of opening, as soon as possible.
Additional Information
The first OTC medicine to contain lansoprazole, the same ingredient as the prescription medicine.
A tablet that dissolves in your mouth, so you can take it without water.
Sources & Documents
- Japanese product page
- English product page
- Japanese PDF
- Suitability Checklist
- Last verified: October 14, 2026
Related Medicines
For informational purposes only. Always consult a doctor or pharmacist before taking any medication.