Miralax

MiraLAX is an over-the-counter laxative that relieves occasional constipation by drawing water into the stool, making it softer and easier to pass.

MiraLAX: Uses, Side Effects, Dosage Information, and More

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Uses

What Is MiraLAX?

MiraLAX is an over-the-counter laxative that helps relieve occasional constipation. It contains polyethylene glycol 3350, which works by holding water in the stool to soften it and increase the number of bowel movements. MiraLAX is available in powder form and is typically mixed with water or another liquid before consumption.

What Is MiraLAX Used For?

MiraLAX is primarily used to treat occasional constipation and irregular bowel movements. It helps to soften the stool and make it easier to pass, usually resulting in a bowel movement within one to three days of use. MiraLAX is often recommended for short-term use and should not be used for more than seven days without consulting a doctor.

MiraLAX Side Effects

Common Side Effects

Some common side effects of MiraLAX may include:

  • Bloating

  • Gas

  • Upset stomach

  • Dizziness

  • Increased sweating

Severe Side Effects

Seek immediate medical attention if you experience any severe side effects, such as:

  • Severe or bloody diarrhea

  • Rectal bleeding

  • Blood in your stools

  • Severe and worsening stomach pain

If you notice signs of an allergic reaction, like hives, difficulty breathing, or swelling of your face, lips, tongue, or throat, get emergency medical help right away. This list isn’t exhaustive, so if you have any concerns or unusual symptoms, contact your doctor for advice.

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Warnings

Do not use MiraLAX if you have a bowel obstruction or an intestinal blockage, as it may cause severe or life-threatening side effects. Individuals with eating disorders, such as anorexia or bulimia, should only use MiraLAX under the guidance of a healthcare provider.

Before using MiraLAX, inform your doctor if you have any allergies to medications, or if you suffer from conditions like ulcerative colitis, irritable bowel syndrome, kidney disease, severe stomach pain accompanied by nausea or vomiting, or if you have experienced a sudden alteration in bowel habits that persists for over two weeks.

MiraLAX typically induces a bowel movement within 1 to 3 days of use, often resulting in loose or watery stools. Do not use MiraLAX more than once daily. If constipation or irregularity persists after 7 consecutive days of use, consult your doctor.

Before Taking

Avoid using MiraLAX if you are allergic to polyethylene glycol or if you have a bowel obstruction or intestinal blockage, as these conditions can lead to serious side effects.

Individuals with eating disorders, such as anorexia or bulimia, should seek medical advice before using this medication.

To ensure MiraLAX is safe for you, discuss with your doctor if you have any of the following conditions:

  • Nausea, vomiting, or severe stomach pain

  • Ulcerative colitis

  • Irritable bowel syndrome

  • Kidney disease

  • A sudden change in bowel habits lasting more than two weeks

MiraLAX is classified as FDA pregnancy category C, indicating that its impact on an unborn baby is not well understood. Notify your doctor if you are pregnant or intend to become pregnant while taking this medication.. It is also unclear if polyethylene glycol 3350 passes into breast milk or if it could affect a nursing baby, so notify your doctor if you are breastfeeding.

How to Take MiraLAX

Take MiraLAX exactly as instructed on the packaging or as prescribed by your healthcare provider. Avoid using it in larger or smaller doses or for a longer duration than recommended.

To use MiraLAX powder, measure your dose using the cap provided with the bottle, which has dose markings inside. Mix the powder with 4 to 8 ounces of a cold or hot beverage, such as water, juice, soda, coffee, or tea. Stir well and drink immediately. Do not store the mixture for later use.

MiraLAX typically results in a bowel movement within 1 to 3 days of use, often causing loose or watery stools. Do not take MiraLAX more than once a day. If you’re still constipated after using it for 7 consecutive days, consult your doctor.

Lastly, store MiraLAX at room temperature, away from moisture and heat.

Safe Usage Guidelines

To use MiraLAX safely, consider these guidelines:

  1. Follow the recommended dosage.

  2. Do not use MiraLAX more than seven days without consulting your doctor.

  3. Drink plenty of fluids while taking it.

  4. Combine with dietary changes for better results.

These steps help ensure that MiraLAX remains effective without causing harm.

Alternatives to MiraLAX

For those seeking alternatives, several options exist. Other over-the-counter laxatives include:

  • Bisacodyl (Dulcolax)

  • Senna (Senokot)

  • Docusate sodium (Colace)

Prescription medications are available too, and may be more suitable for chronic constipation or specific medical conditions. Be sure to discuss these options with your healthcare provider.

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Dosages

Usual Adult Dose for Constipation

For adults dealing with constipation, the typical dose of MiraLAX is 17 grams, mixed into 8 ounces of water, juice, soda, or coffee, taken once daily.

Usual Pediatric Dose for Bowel Preparation

For children over 6 months old with occasional constipation, the dose ranges from 0.5 to 1.5 grams per kilogram of body weight daily, starting with 0.5 grams per kilogram and adjusting as needed. The maximum dose is 17 grams per day.

For children over 3 years old with fecal impaction, the dose is 1 to 1.5 grams per kilogram of body weight daily for three days, with a maximum of 100 grams per day.

For bowel preparation in children over 2 years old, the dose is 1.5 grams per kilogram of body weight daily, with a maximum of 100 grams per day.

Usual Pediatric Dose for Acute Constipation

For children over 6 months old with occasional constipation, the dose ranges from 0.5 to 1.5 grams per kilogram of body weight daily, starting with 0.5 grams per kilogram and adjusting as needed. The maximum dose is 17 grams per day.

For children over 3 years old with fecal impaction, the dose is 1 to 1.5 grams per kilogram of body weight daily for three days, with a maximum of 100 grams per day.

For bowel preparation in children over 2 years old, the dose is 1.5 grams per kilogram of body weight daily, with a maximum of 100 grams per day.

What If I Miss a Dose?

If you miss a dose of MiraLAX, take it as soon as you remember. If it’s almost time for your next dose, skip the missed dose and continue with your regular schedule. Avoid taking an extra dose to make up for the one you missed.

Interactions

When taking MiraLAX, it’s important to be aware of certain foods, beverages, and medications that might interfere with its effectiveness or cause additional digestive issues. Here are some guidelines to help you avoid potential problems:

Foods to Avoid

If you’re taking MiraLAX, it’s best to steer clear of certain foods that can worsen constipation or cause digestive discomfort:

  • High-fat foods

  • Excessive sugar

  • Fast foods

  • Certain dairy products

Beverages to Avoid

Some drinks can also contribute to digestive issues and should be limited:

  • Alcohol

  • Carbonated beverages

Medications to Avoid

When using MiraLAX, be cautious with other medications and supplements that might interfere with its effectiveness:

  • Other laxatives

  • Fiber supplements

Always consult your doctor before starting any new medication or supplement while using MiraLAX to ensure there are no adverse interactions. If you have specific concerns or conditions, discussing them with your healthcare provider is the best course of action.

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Overdose Potential

Taking more than the recommended dose of MiraLAX can cause serious side effects, such as dehydration and imbalances in electrolytes. If you suspect an overdose, it’s crucial to seek medical help right away. You can contact your doctor, go to an emergency room, or call a Poison Control Center for assistance.

Addiction Treatment

Is MiraLAX Addictive?

No, MiraLAX isn’t addictive. It’s an osmotic laxative that works by drawing water into the stool to help relieve constipation. Unlike stimulant laxatives, MiraLAX doesn’t cause dependency or habit formation, making it a safe option for occasional use. However, it’s always a good idea to follow your doctor’s instructions and not use it for longer than recommended to avoid any potential side effects.

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FAQ

Frequently Asked Questions

MiraLAX is a laxative that helps relieve occasional constipation by drawing water into the stool, making it softer and easier to pass. It’s commonly used to treat irregular bowel movements and is available over the counter.

MiraLAX works as an osmotic laxative, which means it pulls water into the colon to soften the stool and increase bowel movements. This process helps to ease constipation without causing cramping or sudden urgency.

MiraLAX typically takes one to three days to produce a bowel movement. It’s a gentle laxative, so it works gradually, allowing for a more comfortable relief from constipation.

Most of MiraLAX is eliminated from your body within 48 to 72 hours after consumption. It works within the digestive system and is not significantly absorbed into the bloodstream, making it effective for short-term use.

You can use MiraLAX daily for a maximum of seven days. If your constipation persists beyond this period, it’s important to consult your doctor for further advice and to rule out any underlying conditions.

For severe constipation, the recommended dose of MiraLAX is 17 grams of powder mixed with 8 ounces of liquid, taken once daily. If there’s no improvement, consult your doctor before increasing the dose or continuing use beyond seven days.