Has your doctor prescribed you a special test to examine your intestines, such as a colonoscopy? Did they give you a special liquid medicine to drink before the test because you need to clean your stomach thoroughly? Are you a little scared or confused about the medicine? You may have received a medicine with a brand name like `(CLENPIQ)` or `(Prepopik)`. Whatever the name, the way these medicines work and the things we need to be careful about are very similar. So, don't be afraid. Let's talk about this simply and clearly.
What is this medicine? What is really happening?
Simply put, this is a special medicine that is given to completely cleanse your intestines (bowel cleansing). We usually call this a laxative medicine ``( laxative ( ) ``. But this is not a medicine given for a normal stomach problem. During a test like a colonoscopy, the doctor wants to see the inside of your intestines very clearly. There cannot be any waste in the intestines for that. That is what this medicine does.
This medicine has three main ingredients: Sodium Picosulfate, Magnesium Oxide, and Anhydrous Citric Acid.
- The ingredient sodium picosulfate works by stimulating the muscles in your intestines and speeding up the passage of stool.
- When magnesium oxide and citric acid are combined, they draw more water into the intestines, making the stool more liquid and easier to pass.
Both of these methods will completely cleanse your intestines.
Things you need to tell your doctor before taking this medicine
This is very important. If you have any of the following health conditions, you should definitely tell your doctor before taking this medicine.
| Health condition/problem | Why should I inform the doctor ? |
|---|---|
| Kidney disease | This medicine may not be suitable for kidney patients, as it can affect the kidneys. |
| Heart disease or heart rhythm disorders | Changes in salt and fluid levels in the body can affect the heart. |
| A disease that causes seizures | Electrolyte imbalances in the body can increase the risk of seizures. |
| If the body is dehydrated | This medicine further dehydrates the body, so it can be dangerous if you are already dehydrated. |
| Other stomach or intestinal problems (e.g., intestinal obstruction) | An existing problem may become worse. |
| If you are pregnant, trying to get pregnant, or breastfeeding | In these cases, it is essential to talk to the doctor about the possible effects on the child. |
| If you have allergies to this medicine or other medications | This is important to prevent an allergic reaction. |
The medicine should be used in the right way.
This is the most important part. Follow the doctor's instructions exactly. The general way to use this medicine is as follows:
1. How to prepare: If you received a bottle like `(Clenpiq)`, it is ready to drink. However, if you received a packet like `(Prepopik)`, you need to dissolve the powder in 150 ml (about 5 ounces) of cold water before drinking.
2. Follow the schedule exactly: Your doctor will tell you exactly when to start taking this medicine and the interval between doses. Usually, two doses are prescribed. Do not skip these times.
3. Drink plenty of fluids: This is extremely important . After each dose of medication, drink plenty of clear liquids as directed by your doctor.You need to drink. For example, you can drink things like water, clear soups without salt, light tea without sugar, and juices. Don't drink things like milk or colored fruit drinks. This will stop the body from dehydrating.
4. If you are taking other medications: If you are taking medication for another condition, take that medication 2 hours before or 6 hours after taking this stomach-cleansing medicine. Failure to do so may reduce the absorption of the other medication. Talk to your doctor about this.
5. Special diet: You will be asked to follow a special diet in the days before the test. You will have to stop eating solid foods. Follow your doctor's instructions exactly.
Important: If you are unable to take the medicine exactly as prescribed, for example if you vomit, call your doctor immediately.
What to do if you take too much medicine?
If you think you have accidentally taken too much of this medicine, go to the nearest hospital Emergency Department (ETU) immediately. Or call the National Poisons Information Centre at the Colombo National Hospital for advice.
What are the interactions with this medicine?
The effects of this medicine may change depending on certain things on the day you take it. So be aware of this as well.
| Things you definitely shouldn't take | |
|---|---|
| Alcohol | Alcohol increases the risk of dehydration. |
| Other laxatives `(Other laxatives )` | The effects of the medication can be dangerously increased. |
| Other medications that may cause problems and should be reported to the doctor | |
Antibiotics, some medications for high blood pressure, heart disease, diabetes, seizures, and mental illness, iron supplements, nonsteroidal anti-inflammatory drugs (NSAIDs), and diuretics. Give your doctor a complete list of all medications, vitamins, and supplements you are taking. | |
Possible side effects of the medicine
Not everyone gets side effects after taking this medicine. But some people may. Some of them can be serious, so it's important to be aware of them.
| Serious side effects that should be reported to the doctor immediately | |
|---|---|
| Allergy symptoms | Skin rash, itching, swelling of the lips, tongue, face, difficulty breathing. |
| Symptoms of severe dehydration | Extreme thirst, dry mouth, sunken eyes, decreased or dark yellow/brown urine, dizziness. |
| Heartbeat | Fast or irregular heartbeat (feeling like it's pounding). |
| Symptoms of kidney disease | Decreased urine output, swelling of the ankles, hands, or feet. |
| Other serious symptoms | Convulsions, sudden severe stomach pain, blood in the stool, fever. |
| Usually nothing to worry about, but if it persists, see a doctor.Side effects to mention | |
| Headache | Dizziness |
| Nausea (feeling sick) | Any stomach discomfort or pain |
Remember, it's normal to have a bowel movement after taking this medicine. That's what it should be. But if it's accompanied by severe stomach pain or bleeding, that's not normal.
How do you store and dispose of the medicine?
- Store this medicine at room temperature . Do not refrigerate. Do not freeze.
- Do not add ice cubes when dissolving the medicine.
- Don't keep any leftover medication after your test. Throw it away.
- When removing leftover medicine, mix it with something like coffee grounds or soil, put it in a bag, seal it well, and throw it in the trash.
Take-Home Message
- Follow your doctor's instructions exactly . Time, dosage, diet, do everything exactly.
- Drink plenty of clear fluids (like water, juices) to prevent dehydration. This is very important.
- Tell your doctor about any other medical conditions you have (especially kidney and heart disease) and all other medications you are taking.
- Seek immediate medical attention if you experience any serious side effects, such as severe stomach pain, bleeding, difficulty breathing, or seizures.
- If your bowel movements do not start after taking this medicine, inform your doctor.


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