how long do you poop after taking clenpiq. , I ate my blue muffins with an oat milk latte and got to work. how long do you poop after taking clenpiq

 
, I ate my blue muffins with an oat milk latte and got to workhow long do you poop after taking clenpiq  Do not refrigerate or freeze CLENPIQ

Your doctor will discuss instructions that will help you manage your blood sugar and still be ready for your colonoscopy if you are. Four hours before your colonoscopy on the day of your procedure: Drink one bottle of CLENPIQ, then drink one cup (8-ounces each) of clear liquid, every 15 minutes for at. You must do this to make sure you are hydrated and well prepared for your. M. While taking Clenpiq, do not: take any other laxatives. Managed to drink the bottle at 5 pm (took 30 min to get it down). In this condition I was supposed to travel 20 miles for a colonoscopy. •Administer oral medications at least 1 hour before starting CLENPIQ. m. CLENPIQ can reduce the absorption of co-administered drugs. Had to do 2nd bottle at 10 pm with more water. Some people will begin to have multiple urgent bowel movements within 30 minutes of drinking the solution and others may not have a bowel movement for 3-4 hours. Schnoll-Sussman says that it could be as simple as your diet (eat some sketchy meat recently?) or as. That amount is to be completed in 60 minutes. It does not need to be mixed or diluted. pinpoint red or purple spots on the skin. My mother died from colon cancer ’03, so I’m on a 5 year cycle for my colonoscopy. Do not take oral medications within one hour of starting CLENPIQ. Like the day before, the last few are clear. WITH CLENPIQ Please Read Carefully BEFORE PROCEDURE: Please read through ALL of the instructions that were sent to you. Diabetic medicines: On the DAY OF your procedure: Do not take ANY diabetic medicines, including both insulin and oral medicines. Prescription drugs; Over-the-counter. 15. You. The medication is metabolized in the body and roughly half is removed in 16. before you take the prep, while you’re taking the prep, and after the prep. If you have to, I'd say 30-45 minutes after. • Take all of your regularly scheduled medications unless directed otherwise by your doctor. ” You must finish all 48 ounces of water at least 4 hours before your colonoscopy. I have been constipated all my life and I am 52. To make the first glassful palateable, after each few gulps, take a swig of 7-Up. Between 7:00 and 8:00pm drink the entire contents of ONE bottle of CLENPIQ. You will be asked to take the colon prep in two doses: the first dose, 3-6 pm the night before your procedure;. It all depends on what time you take action; If you wait until 2 hours before the procedure is scheduled than yes, it’s probably too late to do much. (total of 40 oz. Preparation for a colonoscopy involves several steps. DZ. GaviLyte GaviLyte is another polyethylene-glycol and electrolyte formula available for colonoscopy prep. Mix your bowel prep agent with water as instructed in the package label. The second half of the bowel cleansing agent is taken 4-5 hours before your colonoscopy. 1. Check with your cardiologist if you think that your situation may be different. 1. g. Administer tetracycline and fluoroquinolone antibiotics, iron, digoxin, chlorpromazine and penicillamine, at least 2 hours before and not less than 6 hours after administration of CLENPIQ to avoid chelation with magnesium. — If you do not have a heart, blood vessel, or clotting disorder and you are taking aspirin on your own without a doctor’s advice, please stop taking aspirin 5 days before the procedure. So what is the use of Clenpiq, how to use it and how to use it, and learn through the article below. Starting 7 hours before your colonoscopy, Drink the 1 st half of the bowel prep agent at a rate of 8oz every 10-15 minutes until 2 Liters is completed. It does not have to be clear in color (water) since digestive secretions will continue to ‘tint’ the stool. Ease Back Into Eating Solid Foods. If you're scared of this product, I strongly encourage you to give it a try. Watery bowel movements usually begin 2 to 4 hours after you drink the medication. Cleaning your colon will help your doctor see the inside of your colon more clearly during colonoscopy. Take comfort in knowing that many products have improved in taste over the years. While you take a break, you may put your prep liquid in the refrigerator if you prefer it cold. You may have clear liquids until 4 hours. On average, we will do 1. Keep it at room. But if you do the split dose regimen, and for each half of the split dose you drink a 16 oz glass every 15 minutes or so, it goes down easy, no difficulties. 00. Seek medical care or call 911 at once if you have the following serious side effects:If you do not have a bowel movement after using this medicine, talk to your doctor. At least one day before the procedure, your doctor will ask you to radically alter and limit what you eat. If taking tetracycline or fluoroquinolone antibiotics, iron, digoxin, chlorpromazine, or penicillamine, take these medications at least 2 hours before and not less than 6 hours after administration of CLENPIQ. CLENPIQ can reduce the absorption of co-administered drugs. See you on the other side. Learn about Clenpiq What it is used. for what condition you are taking the antibiotics. CLENPIQ is ready for you to drink right from the bottle. If your poop is pale-colored or white, it could be a sign of an. At least one day before the procedure, your doctor will ask you to radically alter and limit what you eat. I’ll share her review with you so you can request Clenpiq if you think it sounds better than the classic “horse pills and milk of magnesia” prep. How long will the colonoscopy take/how long will I be at the facility? The procedure itself takes about 30-45 minutes, however, plan on being at the Surgery Center for. If you are SICK, have ANY cold symptoms, taking ANTIBIOTICS, pending Stress or Heart Test or have any major changes in your medical history – Please Call Our Office Immediately For Instruction 4. It’s a split-dose regimen, where you take one dose between 4-6 pm the evening before your procedure, and the second dose 5 hours before your procedure. Satisfaction. (2. Dose 1 – On the day before colonoscopy: Instruct patients to consume only clear liquids (no solid food or dairy) on the day before the colonoscopy up until 2 hours before the time of the colonoscopy. 741. Vomited three times in an hour. Is Suprep better than MiraLax? Results: Miralax was successful in 87%, compared to 74% for Moviprep and 69% for Suprep. You can only drink liquids so you have to drink this horrible concoction on an empty stomach. Do not take any oral medications within 1 hour of taking each dose. Do not add ice to the solution. Magnesium citrate, Miralax® with Gatorade®, Moviprep®, Osmoprep®, Prepopik®/Clenpiq®, and Suprep® all had significantly higher prep tolerability compared to GoLYTELY® (all p<. Here's what you can expect. • Do not take oral medications within 1 hour of start of each dose. Just chug it, and drink some water. Do not take oral medications within one hour of starting CLENPIQ. Consume at least five 8. 9 L) of water per day. — If you take other anti-inflammatories, such as ibuprofen, advil, motrin, or aleve, you may continue to do so unless otherwise advised by your. Follow “Steps for Taking Sutab Bowel Prep. One common reason why it may be taking you so long to poop is simple: constipation. Tastes like chemicals, so foul, nasty and vile. Do you shake Clenpiq before drinking? 11. numbness or tingling in the hands, feet, or lips. 64; p<. Most of the time, people begin to have bowel movements about 3 hours after drinking the solution, so if a person has not experienced bowel movements by this time,. After finishing the 1st of liter of MoviPrep solution, take the 2ndDo not drink alcohol. Mix all of the PEG 3350 with lukewarm water and refrigerate. Yes, it is OK to drink liquids during the preparation, as long as they are clear. Shop. How long will the test take? The test itself takes about 20-45 minutes. I am a 64 yr old woman [very petite] who has ibs and is easily nauseated. DO NOT CONSUME ANY ALCOHOL, JUICE PULP, MILK, CREAM, SOY OR NON-DAIRY CREAMER, OR. Patent use: FOR CLEANSING OF THE COLON AS A. PLEASE DO NOT FOLLOW THE INSTRUCTIONS ON THE CLENPIQ BOX. My first time was harder then my second time. The first watery stool should appear within 1 hour after you start drinking Plenvu. However, you should expect to spend more time at the facility since you will need to prepare for and recover from your test. The first watery stool should appear within 1 hour after you start drinking PEG-3350 with Electolytes. take any medicines by mouth (oral) within 1 hour of starting CLENPIQ. 4. • If you are taking long-acting insulin (NPH), take half of your prescribed dose on the morning of the procedure. 3)• Take the second dose (the second bottle) of CLENPIQ. you get diarrhoea to the point where you are incontinently passing dirty water. • You may continue to drink additional clear fluids until 3 hours before the test is scheduled, but then nothing by mouth after that. A 46-year-old member asked: How soon after a colonoscopy do you poop? Dr. It really depends on what time this happens. Can you take both doses of Clenpiq in the same day? (It is preferred that you take the 2nd dose the morning of the procedure, but if you have a very early arrival time, you can take both doses of Clenpiq the day before: 1st dose should be taken at 4:00 p. I forgot about them until 11:45 a. The procedure went well, it was noted that the quality of the bowel preparation was excellent :-). Take the first dose (1 bottle) of CLENPIQ during the evening before the colonoscopy (e. Your healthcare provider may do blood tests after you take CLENPIQ to check your blood for changes. If taking tetracycline or fluoroquinolone antibiotics, iron, digoxin, chlorpromazine, or penicillamine, take these medications at least 2 hours before and not less than 6 hours after administration of CLENPIQ. Answers. Do not take other laxatives while taking PLENVU® and do not take PLENVU® with starch based thickeners. How long does it take for food to pass through your digestive system? Generally, it takes anywhere from 10–73 hours for food to pass through your body as stool, according to a key 2014 study. "I had great hopes for this prep based on lots of good reviews. •Additional fluids must be consumed after every dose of CLENPIQ in both dosing regimens. Split-Dose means you will take 2 separate doses. This will aid in regulating elimination, so you can set your watch to potty time. Even though th. Do not take oral medications within one hour of starting CLENPIQ. %PDF-1. eat solid foods, dairy such as milk, or alcohol while taking Clenpiq and until after your colonoscopy. THREE DAYS BEFORE PROCEDURE What do I need to do THREE DAYS before the procedure? Pick up the PREPARATION SOLUTION from the pharmacy. Two days before, the person will need to start drinking extra water, after which most people. How long will the colonoscopy take/how long will I be at the facility? The procedure itself takes about 30-45 minutes, however, plan on being at the Surgery Center for approximately 2. before you take the prep, while you’re taking the prep, and after the prep. • Do not take oral medications within 1 hour of start of each dose. • Once you have finished the bottle, follow with five (5) 8 oz. , feel dizzy, have a headache, or your urine is very dark) after you drink PEG 3350. T his means you take the first dose in the evening before the procedure and the second dose the day of. ’21. • Do not take oral medications within 1 hour of start of each dose. After consuming remainder of prep, take 125 mg of Simethicone (Gas X). 1, 7. Instructions for Use CLENPIQ® (CLEN-pik) (sodium picosulfate, magnesium oxide, and anhydrous citric acid) oral solution. Moviprep or Clenpiq. I took the first bottle with within 20 minutes was experiencing cold sweats, nausea and diarrhea. Stop taking anti-inflammatory medicines such as Aleve, Motrin, Advil, Ibuprofen, and Naproxyn. If you have not had a bowel movement within three hours of drinking your prep, you may need an extra laxative. Tastes like chemicals, so foul, nasty and vile. How long does it take to get it all out? 1 doctor answer • 1 doctor weighed in. Take the first dose (1 bottle) of CLENPIQ during the evening before the colonoscopy (e. is equal to one measuring cup. 5 oz. rectal bleeding. No mixing or shaking is required, and you may drink the CLENPIQ straight from the bottle. At 5:00pm: start drinking your bowel prep. (2. Especially after a thorough brush. of clear liquid. 1, 7. Do not drink GaviLyte-C if it has been less than 1 hour since you last ate solid food. Your doctor will give you specific instructions based on the medications you are taking. You then drink 16 ounces of any clear liquid. Common. Thank you for this post. and my doctor cancelled the scope!). Satisfaction. Do not drink Plenvu if it has been less than 1 hour since you last ate solid food. Long-term studies in animals to evaluate carcinogenic potential or studies to evaluate mutagenic potential have not been performed with CLENPIQ. clenpiq preparation for colonoscopy name date arrival time physician location do not take phentermine for 7 days before your procedure do not take iron for 5 days prior to your procedure if you take aspirin daily, do not stop it before your procedure do not smoke on the day of your procedure, including smoking tobacco, electronic cigarettes, marijuana,. Of course, there are always exceptions. We want you to drink plenty of liquids during the preparation as long as they are clear. line on the container and mix. On average, preps take an hour to. At 4 pm - Drink 1 bottle (160 ml) of CLENPIQ. Do not refrigerate or freeze Clenpiq® or the mixed Prepopik®. But if it occurs with other symptoms, such as pain or going a few days without pooping, the cause may be another health condition. take a small gulp and chase it with drink of your choice. It was two small bottles, I wanna say 650 mL each, of a juice called Clenpiq, with Magnesium Citrate. If you throw up, stop taking the prep for 30-60 minutes, then try taking the prep again. Administer tetracycline and fluoroquinolone antibiotics, iron, digoxin, chlorpromazine and penicillamine, at least 2 hours before and not less than 6 hours after administration of CLENPIQ to avoid chelation with. It actually sounds worse once we do the math. And the frequency decreases. and drink one 8-ounce glass every 15 minutes until you have consumed half the container. After your colonoscopy, go easy on what you eat. Do not take other laxatives while taking CLENPIQ. Do not refrigerate or freeze CLENPIQ. Managed to drink the bottle at 5 pm (took 30 min to get it down). (NOT RED). NauseaYour doctor may prescribe a different regimen if you have any of the following: Constipation. CLENPIQ is ready for you to drink right from the bottle. It is a combination of sodium picosulfate, magnesium oxide, and anhydrous citric acid that works together to trigger bowel movements and empty the colon. Dr. While taking Clenpiq, do not:. Drink an additional 5 (8 ounce) glasses (total of 40 ounces) of water, at your own pace. 1. You may flavor with Crystal Light-Yellow Lemonade. PM) on female compared to. 1, 7. How much poop you have before colonoscopy depends on many factors. ago. Several BMs with my last at 8am. — If you do not have a heart, blood vessel, or clotting disorder and you are taking aspirin on your own without a doctor’s advice, please stop taking aspirin 5 days before the procedure. You can drink this over an hour long period,. Thank. 2) •If taking tetracycline or fluoroquinolone antibiotics, iron, digoxin, chlorpromazine, or penicillamine, take these medications at least 2 hoursCan you take both doses of Clenpiq in the same day? (It is preferred that you take the 2nd dose the morning of the procedure, but if you have a very early arrival time, you can take both doses of Clenpiq the day before: 1st dose should be taken at 4:00 p. 4 oz. Finish liquids 2 hours before your colonoscopy or as advised by your doctor. is equal to one measuring cup. I am a 64 yr old woman [very petite] who has ibs and is easily nauseated. The procedure went well, it was noted that the quality of the bowel preparation was excellent :-). 1, 5. 3. Results may vary. severe or persistent stomach pain, bloody stools, and. The first watery stool should appear within 1 hour after. Do not share this medicine with anyone. Mixing it with a flavored drink can enhance the taste of Clenpiq. Do not take oral medications within one hour of starting CLENPIQ. Some things I learned to make it easier: 1. 2. The Day Before Your Colonoscopy. Morning of 5 hours before procedure + 8 oz 8 oz8 Evening Before Between 5-9 pm + 8oz 8oz 8oz 8 oz 8 oz Prep Assistant Use the prep assistant as a guide for completing your prep. m. Stay hydrated - 8oz of water per hour that you are awake. Follow with a minimum of (5) 8-ounce glasses of clear fluid atLowest price on Clenpiq medication. However, this timeframe may vary depending on a variety of factors, such as your age, weight, and overall health. Do not drink PEG-3350 with Electolytes if it has been less than 1 hour since you last ate solid food. Stop drinking all fluids at least 2 hours before the colonoscopy. CLENPIQ is a prescription medicine that cleans your colon. I have finished taking the bowel prep and haven’t gone to the bathroom yet. In this trial, CLENPIQ patients were instructed to drink at least five 8-ounce glasses of clear liquid within 5 hours of the first dose of CLENPIQ and at least four 8-ounce glasses of. In the day before regimen, the entire bowel cleansing agent is used the evening before the colonoscopy. You must be on a clear liquid diet the entire day before your colonoscopy. Begin drinking PEG 3350 at 6:00 p. 1. What should I do? Bowel movements usually start within two to three hours after taking the prep, but can take longer. Start Preparing a Few Days in Advance. Do not put the other half of the bowel prep solution in the refrigerator. If you’re taking a pill prep, such as Miralax, you may not have to poop at all during the prep period. such as Clenpiq, Halflytely, Prepopik, Osmoprep, Moviprep, Plenvu, Suprep or Sutab. Stop eating solid foods at midnight two nights prior to your procedure. 0-3. It’s also important that you stay hydrated during and after taking PEG 3350/electrolytes bowel prep. Administer tetracycline and fluoroquinolone antibiotics, iron, digoxin, chlorpromazine and penicillamine, at least 2 hours before and not less than 6 hours after administration of CLENPIQ to avoid chelation with. nausea. If you don’t see any results after 2 weeks, don’t be discouraged – just keep taking the drug and you should eventually start seeing results. This is over the counter and does not require a prescription. Four hours before your colonoscopy on the day of your procedure: Drink one bottle of CLENPIQ, then drink one cup (8-ounces each) of clear liquid, every 15 minutes for at least four cups. (NOT RED). ) or on the weekend call 860-679-2626 and ask for the GI fellow on call. If no problems are found during the test, you won’t need an additional one for 10 years. While my experience in taking CLENPIQ was fairly typical, you may require different dosing than was prescribed to me. Take ½ (half) of the usual dose of any long acting insulin. If you think the prep is not working, after 5pm call 248-544-6959. You need to stay hydrated throughout the process. No headache or nausea. Clenpiq made me feel more dehydrated than the other bowel prep medication I used in the past, 4 days after and I still feel dehydrated. How long after a colonoscopy do you poop. If you are unable to finish the bowel. Stay near a bathroom. m. It involves taking medication that causes frequent, loose bowel movements to empty the colon. CLENPIQ PREPARATION You will need a prescription for this pre paration. It was a rough night and barely slept. You will also need to pick up a box of MiraLAX from the pharmacy. 1, 7. Water, juice, tea, whatever–you need to keep drinking all day long. Way less than the 1st dose, which kept me going for a few hours and then waking up in the night. To our knowledge, the impact of the timing of colonoscopy (AM vs. Aside from which preparation you select, there are a few other things you can do to reduce the discomfort: Refrigerating the liquid will make it go down more easily. You may continue to drink clear liquids up to 3 hours before your exam. Of course results may vary. MoviPrep. Hydration is. Cleansing the colon before a colonoscopy is called bowel preparation, or “prep. “Don’t let fear or dread of the colonoscopy prevent you from getting one. Do not store the solution for later use. not difficult at all. Add cold water to the 16 oz. We would like to show you a description here but the site won’t allow us. It does not need to be mixed or diluted. A: If you are taking any blood thinning medications please let your endoscopist know. . 0-3. Diuretics increase your chances ofHow long do you poop after taking Clenpiq? It contains sodium picosulfate, magnesium oxide, and citric acid that work together to produce a laxative effect. Ideally, it is preferred that you have someoneTake 4 tablespoons of Milk of Magnesia after dinner. Do not take oral medications within one hour of starting CLENPIQ. . Since 4 liters = 135 ounces, at the rate of 8 ounces every 10 minutes, something that might be a challenge for a beluga whale, you would have to keep this up for 169 minutes (2 hours and 48 minutes), during which time you will have consumed 17 glasses of the stuff. If a person vomits, they should drink as much as possible and tell a healthcare. Follow this dose by drinking three (3) 8 ounce cups of clear liquids using the cup provided over the next 2 hours. 7 out of 10 from a total of 277 reviews for the treatment of Bowel Preparation. My rectum was on fire and burned like hell every time I had to go. If you finish day 1 and the poop is not yet clear, repeat everything again for day 2 or day 3. A 49-year-old female asked: I had a colonoscopy this morning. 1) •Do not take oral medications within 1 hour of start of each dose. Kaiser Permanente recommends patients start a low-fiber diet three. Water, juice, tea, whatever–you need to keep drinking all day long. ‐You will need a friend or family member to drive you home. •Additional fluids must be consumed after every dose of CLENPIQ in both dosing regimens. If you need to take any other medicines by mouth (oral), take those medicines at least 1 hour before starting each dose of CLENPIQ. How long does it take a bowel prep to kick in? It depends on the formula you're taking. Before Taking CLENPIQ - Take CLENPIQ using the Split-Dose method. Make sure you are consuming at least 64 oz. (2. If your child’s poop is still not clear after day 3, call your child’s healthcare provider. 2) •If taking tetracycline or fluoroquinolone antibiotics, iron, digoxin, chlorpromazine, or penicillamine, take these medications at least 2 hoursFor more information, go to or call 1-888-337-7464. Cut out fiber. I just had a colonoscopy and had the same experience as you -- running clear after first round so I wanted to skip the second round in the wee hours of the morning. 5000 Special Notes: If you have major health problems or a pacemaker, you should discuss your health history withNO SOLID FOOD UNTIL AFTER THE PROCEDURE. To ensure a successful exam, please follow all instructions carefully. m. Purchase: Four Dulcolax® laxative tablets containing 5mg of bisacodyl each (NOT Dulcolax stool softener). For best results, take the medicine 2 to 4 hours after you last ate. Tell your healthcare provider if you have any symptoms of too much fluid loss, including: vomiting;The day before your exam: Clenpiq Split Dose Patient Instructions. Is it better to drink colonoscopy prep fast or slow? 5. Do not take oral medications within one hour of starting CLENPIQ. Tip #1: Expect about 5 hours for the first dose of Clenpiq from when you finish the bottle to the required five 8-oz glasses afterwards. If severe bloating, distention, or abdominal pain. If you cannot do the Split-Dose method, you can take CLENPIQ using the Day-Before method. Daily bowel program Every day for at least 6 months your child needs to: • Take medicines to keep the poop soft Sit on the toilet at regular times. Rarely, some people throw up while taking the prep. Do not take oral medications within one hour of starting CLENPIQ. Stop consuming hard-to-digest foods like seeds, nuts, and popcorn three days before your procedure. ) ***IF YOU FEEL YOUR COST/COPAY FOR PREPOPIK IS TOO HIGH, THERE IS AN ALTERNATEMaking some changes to your everyday routine, along with other treatments, may help with constipation. How long will the colonoscopy take/how long will I be at the facility? The procedure itself takes about 30-45 minutes, however, plan on being at the Surgery Center for approximately 2. Two days of a preceding low fiber diet and continually hydrating on the prep day resulted in BMs 2. Each bottle is 160 ml (about 5. In general, you do not need to take antibiotics to prevent an infection of the heart valves prior to undergoing your procedure. The birth control pill is designed to be taken at the same time every day, preferably in the morning. If the black or green color in your stool does not go away a few days after the medicine is stopped, there could be something else going on that's causing the changes. 5:00am: I take CLENPIQ, holding nose, several swigs. Have you tried enemas or suppositories? It may help to soften the stool-especially if you do an enema with a little mineral oil. Clenpiq has an average rating of 5. After you eat, it takes about six to eight hours for food to pass through your stomach and small intestine Food then enters your large intestine (colon) for further digestion. • 2 yr. Multiple studies show that to have an clean prep, you need 3. This change in stool color is not a cause for concern unless you have stopped taking the bismuth subsalicylate and the changes in the stool color persist. In fact, it can take up to 5-6 hours after starting the prep for them to begin. Preferred dosing method; First dose: Take during the evening before the colonoscopy (eg, 5:00 to 9:00 PM) followed by five 8-ounce drinks of clear liquids before bed; consume clear liquids within 5 hrYou might pass a large stool as a result of eating a big meal. It may begin a week before with dietary changes. Ugh! You have been instructed to do a 2-Day (double) CLENPIQ Bowel Prep. 00PM. It. • CLENPIQ can cause ulcers of the bowel or bowel problems (ischemic colitis). 8 oz LIQUIDS MUST NOT BE RED OR PURPLE. You'll survive though. Tonight, I still have diarrhea & stomach discomfort. Starting 4 hours before your colonoscopy, Drink the 2 nd half of the bowel prep agent (2 Liters). Part 1 of the prep i have to finish 5oz of clenpiq with 5 8oz cups of clear liquidsAfter taking the first bottle, you must drink 5 8-ounce glasses of water over four hours. 15. Video overview of Clenpiq contents as well as how and when to take the doses prior to your colonoscopy. 5-3. You should not drink the CLENPIQ any sooner than two hours after taking the bisacodyl tablets. If you’re taking a birth control pill, you might be wondering how long you should wait to poop after taking it. 9. The flavor is not great, but not terrible either, so it's not hard to drink that volume. Official answer. Drank the recommended water after. The second half of your prep should be started 4-5 hours before the time of your colonoscopy. Patients on the split-dose regimen are particularly worried about pooping the morning of the colonoscopy. Had to do 2nd bottle at 10 pm with more water. Expected first 160ml dose to take effect after 2 to 3 hours but it's been 4-1/2hours with no result. I just had my colonoscopy and it still won’t stop. It starts working a couple of hours after you drink the first bottle and from then on you will evacuate any solids that are in your bowel. I just had a colonoscopy and had the same experience as you -- running clear after first round so I wanted to skip the second round in the wee hours of the morning. Dehydration can contribute to constipation, as if there isn't enough fluid in your gut, your digestion will slow down and stools become bulky and painful.