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Home Colac
TaishoSKU: 4987306021242

Colac

¥1,188 JPY /
Shipping calculated at checkout.
Class 2 OTC Drug

Product name : コーラック
selection 60 tablets
Colac
¥1,188 JPY /
selection 60 tablets
 
 
Class 2 OTC DrugLaxativeTablet

Korak

A trusted laxative for chronic and habitual constipation that reaches the large intestine to promote bowel movements

✦ Direct action on the large intestine✦ Five-layer coating technology✦ The following morning when taken before bedtime✦ For chronic and habitual constipation

For these people and situations

😣
For those troubled by chronic and habitual constipation For those who regularly suffer from constipation. Bisacodyl directly stimulates the large intestine, enhancing bowel movement and supporting regularity.
🌙
For those who want to feel refreshed the following morning Taking it before bedtime produces an effect the following morning (typically 6–11 hours after taking it). Suitable for those who want to establish a regular morning bowel movement routine.
💊
For those who want the medicine to bypass the stomach and work in the large intestine Its proprietary five-layer coating technology is designed to prevent the active ingredient from dissolving in the stomach so that it works effectively in the large intestine.
🧡
For those concerned about discomfort associated with constipation Also suitable for those who want to care for discomforts such as heaviness in the head, rough skin, loss of appetite, and abdominal bloating caused by constipation.

Product Overview

Korak is a laxative manufactured and sold by Taisho Pharmaceutical. Its active ingredient, bisacodyl, directly stimulates the large intestine to enhance peristaltic movement and relieve chronic and habitual constipation. Its proprietary five-layer coating technology is designed to prevent the active ingredient from dissolving in the stomach so that it works only in the large intestine. When taken on an empty stomach before bedtime, it takes effect the following morning (typically 6–11 hours after taking it). It is a Class 2 OTC Drug indicated for chronic and habitual constipation.

Product Features

01

Directly stimulates the large intestine to promote bowel movements

Bisacodyl

The active ingredient bisacodyl stimulates peristaltic movement in the large intestine, enhancing reduced bowel activity and supporting bowel movements. It is a stimulant formulation intended for chronic and habitual constipation.

02

Five-layer coating that does not dissolve in the stomach and works in the large intestine

Proprietary coating technology

The special five-layer coating allows the active ingredient to reach the large intestine without dissolving in the stomach. Avoid taking it within one hour of consuming antacids or milk, as they may dissolve the coating.

03

Effective the following morning when taken before bedtime

Expected onset: 6–11 hours

Taking it before bedtime or several hours before the expected bowel movement produces an effect the following morning (typically 6–11 hours after taking it; individual results may vary). This timing is suitable for those who want to establish a regular morning bathroom routine.

✦
Easy-to-take small pink Tablets Take the tablets whole with water or lukewarm water without chewing. Damaging the coating may prevent the medicine from working fully.
✦
A stimulant laxative containing only bisacodyl For chronic and habitual constipation. Its feature within the series is its simple stimulant formulation.

Active ingredient

Ingredient name Amount contained Classification
Bisacodyl 10 mg (2 Tablets) Stimulant laxative ingredient

Indications

Chronic constipation Habitual constipation

Dosage and Administration

Age Dose per administration Number of doses per day
Adults (15 years and older) 2 Tablets Once daily
Under 15 years old Do not take —
Adults should normally take this medicine once daily, before bedtime or several hours before the expected bowel movement, with water or lukewarm water without chewing. Strictly follow the specified dosage and administration. Take this medicine on an empty stomach whenever possible. Avoid taking it within one hour of drinking an antacid (stomach medicine) or milk. Take the tablets whole without chewing or crushing them. Press the raised part of the PTP sheet firmly with your fingertip to break the aluminum foil on the back, then remove and take the tablet.

❓ Frequently Asked Questions

QWhen is the best time to take Korak?

ATo restore a regular bowel movement routine in the morning, we generally recommend taking it before bedtime. It has a five-layer coating that allows the active ingredient to work properly in the intestines without dissolving in the stomach, so taking it on an empty stomach is more effective.

QWhy should I not take this medicine with antacids or milk?

AThis medicine may dissolve in the stomach due to antacids or milk, preventing it from reaching the large intestine and producing the expected effect. Avoid taking it within one hour of consuming antacids or milk.

QIs it safe to take this medicine for an extended period?

AStimulant ingredients such as bisacodyl may become less effective as the body becomes accustomed to them with continued use. It is important to avoid taking this medicine for extended periods. If symptoms do not improve after taking it for one week, stop taking it and consult a doctor, pharmacist, or registered salesperson.

QHow should I choose between this and the other Korak products?

AKorak is a stimulant laxative containing only bisacodyl and is intended for chronic and habitual constipation. Korak Mg (containing magnesium oxide) is suitable for those seeking a laxative less likely to cause abdominal pain, while Korak II is suitable for those seeking a richer formulation containing bisacodyl and DSS. Using the appropriate ingredients according to your needs is also recommended.

⚠️ Precautions for Use
  • Strictly follow the specified dosage and administration.
  • Do not take this medicine if you are under 15 years old.
  • Take this medicine on an empty stomach whenever possible.
  • Avoid taking this medicine within one hour of drinking an antacid (stomach medicine) or milk. Antacids and milk may cause this medicine to dissolve in the stomach, preventing it from producing the expected effect.
  • Take the tablets whole without chewing or crushing them. Doing so may damage the special coating and prevent the medicine from working fully.
  • Stimulant ingredients such as bisacodyl may become less effective as the body becomes accustomed to them with continued use. Avoid taking this medicine for extended periods.
  • If symptoms do not improve after taking this medicine for one week, stop taking it and consult a doctor, pharmacist, or registered salesperson.
  • Press the raised part of the PTP sheet firmly with your fingertip to break the aluminum foil on the back, then remove and take the tablet (if accidentally swallowed while still in the sheet, it may cause an unforeseen accident, such as puncturing the esophageal lining).
  • Read the enclosed package insert carefully before use. If the product is not suitable for your symptoms or constitution, consult a doctor, pharmacist, or registered salesperson.
📦 Storage Precautions
  • Store in a cool, dry place away from direct sunlight.
  • Store out of the reach of children.
  • Do not transfer it to another container (this may lead to misuse or changes in quality).
  • Do not use the product after its expiration date.

● Features
◆ Colac is a laxative that works effectively for chronic and habitual constipation. Bisacodyl directly stimulates the large intestine to activate movement and promote bowel movements.

・Contains ingredients that act directly on the large intestine to promote natural bowel movements
・Coating design that does not dissolve in the stomach but works effectively in the intestines
・Suitable for chronic and stubborn constipation
・Designed to show effects after a certain period following intake
・Small, easy-to-swallow tablet form for continued use
・Allows constipation management according to your lifestyle rhythm

【Class 2 OTC Drug】

● Efficacy/Effects
Chronic constipation, habitual constipation

<Precautions related to Efficacy/Effects>


● Dosage and Administration
Usually, adults take 2 tablets once a day before bedtime or several hours before expected bowel movement, swallowing them whole with water or lukewarm water.
Adults:
[Dose per intake: Frequency]
2 tablets: once a day

<Precautions related to Dosage and Administration>
(1) Strictly follow the prescribed dosage and administration.
(2) Take preferably on an empty stomach.
(3) Avoid taking within one hour after antacids* or milk. (This medicine may dissolve in the stomach due to antacids or milk, reducing its expected effect.)
 *Antacids: Ingredients found in many stomach medicines that neutralize stomach acid.
(4) Do not chew or crush the tablets; swallow them whole. (This medicine has a special coating to ensure the active ingredient works effectively in the large intestine.)
(5) How to remove tablets:
 Press firmly on the raised part of the PTP sheet with your fingertip to break the aluminum foil on the back, then take out the tablet and take it. (Swallowing the tablet with the packaging may cause unexpected accidents such as injury to the esophageal mucosa.)

● Ingredients/Quantity
Per 2 tablets
Bisacodyl 10 mg

〔Additives〕
Sucrose, talc, gum arabic, castor oil, methacrylic acid copolymer S, methacrylic acid copolymer L, corn starch, magnesium stearate, glycerin, titanium oxide, lactose, Red No. 3, carnauba wax, bleached wax, macrogol

<Precautions related to Ingredients/Quantity>


● Dosage Form
Tablet (oral - tablet)

● Precautions for Use
■Do not do (Contraindications)
(Failure to comply may worsen current symptoms or increase the risk of side effects.)
1. Do not take the following medicines while using this product:
 Other laxatives
2. Do not take in large amounts.
■Consult
1. The following people should consult a doctor, pharmacist, or registered seller before use:
 (1) Those receiving medical treatment.
 (2) Pregnant women or those who may be pregnant.
 (3) Those with the following symptoms:
  Severe abdominal pain, nausea, vomiting
2. If the following symptoms appear after taking this medicine, stop use immediately and consult a doctor, pharmacist, or registered seller with this leaflet, as they may be side effects.
[Affected area: Symptoms]
Digestive system: severe abdominal pain, nausea, vomiting
3. The following symptoms may occur after taking this medicine; if these symptoms persist or worsen, stop use and consult a doctor, pharmacist, or registered seller with this leaflet:
 Diarrhea
4. If symptoms do not improve after about one week of use, stop taking the medicine and consult a doctor, pharmacist, or registered seller with this leaflet.

● Precautions for Storage and Handling
(1) Store in a cool, dry place away from direct sunlight.
(2) Keep out of reach of children.
(3) Do not transfer to other containers. (This may cause misuse or quality changes.)
(4) Do not use the product past its expiration date.


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