Metamucil (Psyllium hydrophilic mucilloid - non Rx)

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Metamucil Brand
Dosage Quantity & Price
Psyllium hydrophilic mucilloid - non Rx (Generic alternate to Metamucil) Generic

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Table of contents:

Metamucil is a widely known and used over-the-counter medication that can help to improve digestive health. It contains psyllium hydrophilic mucilloid, a natural fiber that helps to promote regularity and ease symptoms of constipation. While Metamucil does not require a prescription from your doctor, it is important to understand proper usage and precautions before taking this product.

Metamucil contains a bulk-forming fiber without any chemical stimulants. The active ingredient, psyllium husk, is a soluble viscous fiber that absorbs and holds moisture. This causes the psyllium to swell, supplying the necessary bulk to help form an easily eliminated stool. Metamucil will not cause immediate evacuation but generally produces an effect in 12 to 72 hours.

Psyllium is a medicine commonly used to treat constipation or other intestinal problems. It also contains prebiotics, which helps to promote the growth of beneficial bacteria in the gut. Psyllium husk can also be used as a dietary fiber supplement. Sometimes, psyllium is also used along with diet and exercise to help lower cholesterol levels.

Uses and Dosage

Dosages of Psyllium for Constipation

  • Adult: 2.5-7.5 g in 8 oz of water orally, up to 30 g/d divided orally or 1 teaspoonful or 1 tablespoon in 8 Oz of water orally one to three times daily, depending on the product
  • Children under 6 years old: Safety and efficacy not established.
  • Children 6-12 years old: 1.25-15 g/day orally in 8 Oz of water in divided doses
  • Children over 12 years old: 2.5-7.5 g in 8 Oz of water orally, up to 30 g/day in divided doses.

Side effect

Psyllium May Cause Common Side Effects.

  • Difficulty breathing
  • Difficulty swallowing
  • Itching
  • Nausea
  • Skin rash
  • Stomach pain
  • Vomiting

Form and strength

Metamucil is available in the following forms and strengths:

Metamucil Powder

  • 3.4 g


  • Before using Metamucil while pregnant or breastfeeding, it is important to consult with a doctor to determine the correct dosage. Your dose may need to be adjusted depending on whether you are pregnant or breastfeeding.
  • Before taking psyllium, it is important to inform your doctor and pharmacist if you have any allergies to psyllium or other drugs. Additionally, it is important to tell your doctor and pharmacist about all prescription and non-prescription medications you are taking, including vitamins. It is especially important to take care not to take digoxin (Lanoxin), salicylates (aspirin), or nitrofurantoin (Macrodantin, Furadantin, Macrobid) within three hours of taking psyllium.
  • It is also important to inform your doctor if you have or have ever had diabetes mellitus, heart disease, high blood pressure, kidney disease, rectal bleeding, intestinal blockage, or difficulty swallowing. Additionally, if you are pregnant, planning to become pregnant, or are breastfeeding, it is important to inform your doctor. If you become pregnant while taking psyllium, you should contact your doctor.
  • If you are on a low-sugar or low-sodium diet, you should make sure to inform your pharmacist or doctor. Additionally, when mixing a dose of psyllium, it is important to take care not to breathe in the powder, as it can cause allergic reactions when accidentally inhaled.

Frequently Asked Questions (FAQ)

What is Metamucil?

Metamucil is a bulk-forming fiber laxative that is used to treat occasional constipation or bowel irregularity. It is made from psyllium husk, which is derived from the Plantago ovata plant.

Are there any side effects associated with Metamucil?

The most common side effects associated with Metamucil include bloating, gas, diarrhea, and abdominal discomfort. If you experience any unusual symptoms or if your symptoms become worse, contact your doctor.

Is Metamucil safe for pregnant or breastfeeding women?

Before using Metamucil while pregnant or breastfeeding, it is important to consult with a doctor to determine the correct dosage. Your dose may need to be adjusted depending on whether you are pregnant or breastfeeding.

How should Metamucil be taken?

Metamucil should be taken as directed on the package. It can be taken with or without food, but it is recommended to take it with at least 8 ounces of liquid. Additionally, it should be taken at least two hours before or after other medications to ensure it is properly absorbed.

Does Metamucil contain sugar?

No, Metamucil does not contain sugar. Metamucil is a soluble fiber supplement that contains the active ingredient psyllium husk. Psyllium husk is a form of soluble fiber that is naturally free of sugar and contains no added sweeteners.

Is Metamucil safe for diabetics?

Yes, Metamucil is safe and appropriate for use by people with diabetes. Metamucil is a fiber supplement and can help to keep blood sugar levels stable by slowing down the absorption of carbohydrates. Additionally, Metamucil contains no added sugar, making it a suitable supplement for people with diabetes.



It's important to purchase Metamucil from verified Canadian pharmacy.

Additional information

Generic name:

Psyllium hydrophilic mucilloid – non Rx





Quantities Available:

504g, 1008g


Online Pharmacies Canada has provided information from third parties intended to increase awareness and does not contain all the information about Metamucil (Psyllium hydrophilic mucilloid - non Rx). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Metamucil (Psyllium hydrophilic mucilloid - non Rx).