Miralax is an over-the-counter powder medication used to treat constipation. It is also sometimes used for colonoscopy bowel preparation. It works by retaining water in the stool, resulting in softer stools and more frequent bowel movements. It is known as an osmotic-type laxative.
While Miralax is an effective treatment for constipation, it does have some side effects, including nausea, abdominal pain, and diarrhoea. Diarrhoea is more likely to occur if you take more than the recommended dosage. Older adults are also at a higher risk of experiencing diarrhoea.
Characteristics | Values |
---|---|
Drug form | Powder |
Generic available | Yes |
Prescription required | No |
Controlled substance | No |
Dosage | 17 grams |
Drug class | Osmotic laxative |
Active ingredient | Polyethylene glycol 3350 |
Side effects | Diarrhea, nausea, abdominal pain, flatulence, dehydration, mineral imbalance, allergic reaction |
Overdose symptoms | Severe diarrhea, dizziness, decrease in urine |
Precautions | Do not use if allergic to polyethylene glycol, do not use for more than 2 weeks without a doctor's advice, do not use during pregnancy or breastfeeding without consulting a doctor |
What You'll Learn
Miralax is an osmotic laxative
As an osmotic laxative, Miralax is a nonstimulant laxative that works with the water in your body to provide gentle, effective relief from occasional constipation without harsh side effects. It attracts water and keeps it in your colon, allowing it to hydrate and soften stools, unblocking your system. The water softens the stool and may naturally stimulate the colon to contract, making it easier to pass a bowel movement.
The active ingredient in Miralax is polyethylene glycol 3350 (PEG 3350). It is available over the counter as a flavourless powder that comes in bottles or single-serve packets and is mixed with 4 to 8 ounces of water, juice, or other liquid. It is typically used for short-term treatment but can also be used long-term to treat chronic constipation. It is also sometimes used for colonoscopy bowel preparation.
The typical dosage of Miralax for adults is 17 grams, and it is recommended to use the smallest dosage that provides the desired effect. It is important to follow the directions on the package or consult a doctor or pharmacist for dosage instructions. It is not recommended to take Miralax for more than 7 days without talking to a doctor.
Some common side effects of Miralax include diarrhea or loose stools, bloating, nausea, and headaches. These side effects are usually mild and may go away within a few days or weeks. However, it is important to consult a doctor if side effects are severe or persistent.
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It treats constipation by retaining water in the stool
Miralax is an over-the-counter powder medication used to treat constipation. It is also known as Polyethylene Glycol 3350 (PEG 3350) and is FDA-approved for treating constipation. It is typically used for short-term treatment, but in some cases, it can be used long-term to treat chronic constipation. It is also used for colonoscopy bowel preparation.
Miralax is an osmotic-type laxative. This means that it works by drawing water into the colon, which softens the stool and may naturally stimulate the colon to contract. These actions help ease bowel movements. The water is held in the stool to soften it and increase bowel movements. This makes the stool softer, more fluid, and overall much easier to pass.
The standard time frame for normal bowel movement frequency ranges from three movements per day to three movements per week. The longer the stool sits in the colon, the harder it becomes. This is where Miralax comes in, by retaining water in the stool, it prevents the stool from solidifying too much.
The recommended dosage for adults is 17 grams, which should be mixed with 4 to 8 ounces of water or another beverage and consumed once daily. It is important to follow the directions on the package or consult a doctor or pharmacist if you are unsure. It may take 2 to 4 days after starting Miralax to have a bowel movement. It is not recommended to use Miralax for more than 2 weeks unless directed by a doctor.
Some common side effects of Miralax include diarrhea or loose stools, bloating, and nausea. These side effects are typically mild and may go away within a few days or a couple of weeks. However, it is important to consult a doctor if these symptoms persist or become more severe.
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It is available over the counter
Miralax is an over-the-counter medication that is available without a prescription. It is a brand-name powder used to treat constipation. It is FDA-approved and belongs to the osmotic laxatives drug class. Osmotic laxatives work by drawing water into the colon and keeping it there, which allows the water to hydrate and soften stools. This helps to unblock the system without causing harsh side effects such as gas, bloating, cramping, or urgency.
The active ingredient in Miralax is polyethylene glycol 3350 (PEG 3350). It is typically used for short-term treatment, but in some cases, it can be used long-term to treat chronic constipation. It is also sometimes used for colonoscopy bowel preparation.
Miralax comes in an easy-to-use powder form that can be mixed with any beverage of choice, such as coffee, tea, water, juice, coconut water, a smoothie, or seltzer water. The typical dosage for adults is 17 grams, which can be measured using the provided cap or a measuring device. It should be mixed with 4 to 8 ounces of liquid and consumed once daily. It is important to follow the dosage instructions on the packaging and not to exceed the recommended amount, as overuse may result in dependence on laxatives, chronic constipation, and side effects such as diarrhoea, dehydration, and mineral imbalance.
Miralax is generally well-tolerated, but some mild side effects may occur, such as nausea, abdominal cramping, or gas. These side effects are usually mild and may go away within a few days or weeks. However, it is important to consult a doctor or pharmacist if these symptoms persist or become more severe.
While Miralax is available over the counter, it is important to read the manufacturer's package instructions carefully and consult a healthcare professional if needed. This is especially important for individuals with certain medical conditions, such as kidney disease or irritable bowel syndrome, as well as for pregnant or breastfeeding women.
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It can be used for bowel preparation before a procedure
MiraLAX is a brand-name, over-the-counter powder that's used to treat constipation. It is FDA-approved and typically used for short-term treatment, but in some cases, it's used long-term to treat chronic constipation. It is also sometimes used for colonoscopy bowel preparation.
MiraLAX is a non-stimulant laxative, which means that instead of stimulating the nerves in the walls of the large intestines and causing intestinal contractions to eliminate stool, it increases the amount of water in the stool, preventing it from solidifying too much. Your bowel movement becomes "softer, more fluid, and overall much easier to pass."
MiraLAX is also available without a prescription. If you are taking this medication for self-treatment, it is important to read the manufacturer's package instructions carefully so you know when to consult your doctor or pharmacist.
1 week before your colonoscopy:
- Ask about your medicines: You may need to stop taking some of your medicines before your procedure. Make sure your healthcare provider knows all the medicines and supplements you're taking.
- Arrange for someone to take you home: You must have someone to take you home after your procedure.
- Get a letter from your doctor, if needed: You may need to get a clearance letter before your procedure.
- Buy extra supplies, if needed: You may need to buy extra supplies if you tend to be constipated, take narcotic medicines, or have had a colonoscopy with poor prep in the past.
5 days before your procedure:
Stop taking iron supplements: If you take an iron supplement, stop taking it 5 days before your procedure. Iron supplements can cause color changes in your stool, making it harder for your doctor to see your colon clearly.
3 days before your colonoscopy:
Follow a low-fiber diet: During this time, do not eat raw fruits and vegetables, whole kernel corn, whole grains, or seeds.
2 days before your colonoscopy:
- Keep following a low-fiber diet unless you are often constipated, take narcotic medicines, or have had a colonoscopy with a poor prep in the past. If any of these apply, stop following the low-fiber diet and follow these instructions:
- Take 1 (17-gram) dose of MiraLAX 3 times a day. Mix 1 dose with 8 ounces of liquid each time. You can take 1 dose at breakfast, lunch, and dinner.
- Follow a full liquid diet: On a full liquid diet, you can eat and drink yogurt without any pieces of fruit, fruit juices without pulp, broth or cream soups that have been strained, nutritional supplements, ice cream, and fruit ices without any mix-ins.
1 day before your colonoscopy:
- Get your MiraLAX bowel prep ready: In the morning, mix all 238 grams of the MiraLAX powder with 64 ounces of room-temperature clear liquid until the powder dissolves. You can put the mixture in the refrigerator if desired.
- Follow a clear liquid diet: Do not eat any solid foods. Drink at least 1 (8-ounce) cup of liquid every hour while you're awake. Drink different types of clear liquids and avoid anything red, purple, or orange.
The day of your colonoscopy:
- Start your bowel prep: At 4 pm the day before your procedure, swallow 2 bisacodyl (5mg) tablets with a glass of water. Then, start drinking the MiraLAX mixture as directed. Bowel movements usually start within 1 hour of drinking the first dose but may take longer for some people.
- Put petroleum jelly or ointment on the skin around your anus after every bowel movement to prevent irritation.
- Keep drinking clear liquids to stay hydrated and flush out your colon.
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It can cause side effects like nausea, abdominal pain, and flatulence
Miralax is an osmotic laxative used to treat constipation and for bowel preparation before procedures. It works by retaining water in the stool, resulting in softer stools and more frequent bowel movements. It is available as a powder that is mixed with water or other liquids and consumed once daily.
While Miralax is generally well-tolerated, it can cause side effects such as nausea, abdominal pain, and flatulence. These are typically mild and may go away with continued use of the medication. However, it is important to be aware of these potential side effects and consult a doctor or pharmacist if they persist or become bothersome.
Nausea is a common side effect of Miralax, and it may decrease or resolve with continued use. It is important to note that nausea can also be a symptom of constipation, especially if it is accompanied by vomiting. If nausea is severe or persistent, it is important to seek medical advice.
Abdominal pain or cramping can also occur as a side effect of Miralax. In most cases, this is mild and transient. However, severe or worsening abdominal pain should be reported to a healthcare professional promptly as it may indicate a more serious condition.
Flatulence, or excess gas, is another possible side effect of Miralax. This may be due to the increased water content in the stool, which can lead to increased gas production. While flatulence is usually not a cause for concern, it can be uncomfortable and may be reduced by adjusting the dosage or consulting a doctor for further advice.
It is important to remember that not everyone will experience these side effects, and the benefits of Miralax in treating constipation typically outweigh the risks. However, if any of these side effects persist or become bothersome, it is important to seek medical advice. Additionally, Miralax should not be used for more than two weeks unless directed by a doctor, as extended use may result in dependence on laxatives and chronic constipation.
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