Compare Fibercon vs. Metamucil

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Helps get things moving.

Fibercon (Calcium Polycarbophil) is a natural fiber laxative that's safe enough to take during pregnancy. Just make sure you take it with plenty of liquid.

3.0/ 5 average rating with 80 reviewsforFibercon
Helps get things moving.

Metamucil (psyllium) is a natural fiber that is cheap and effective at relieving constipation.

3.8/ 5 average rating with 454 reviewsforMetamucil
Upsides
  • Some people felt Fibercon was a hassle but still worth it.
  • It's safe to use short-term during pregnancy and breast-feeding as long as you take it with plenty of liquid, but you should still check with your baby doctor first.
  • Less gas and bloating compared to psyllium laxative products.
  • Inexpensive and available over-the-counter.
  • Made from a natural product.
  • Using Metamucil (psyllium) has multiple benefits, including relieving constipation, lowering cholesterol, and making you feel full.
Downsides
  • You may have to take Fibercon daily for 1-3 days to see full effects.
  • If you don't take it with enough liquid, it could swell and block your throat and cause choking.
  • Not the best choice for people who have swallowing problems or aren't able to drink lots of liquids.
  • Can cause heartburn, gas, and belly cramps.
  • Metamucil (psyllium) can take up to 72 hours to relieve constipation.
  • Not the best choice for people who have swallowing problems or can't drink lots of liquids.
  • Metamucil (psyllium) can cause gas and stomach cramps.
Used for
Dosage forms
  • Pill
  • Pill
  • Powder
No pricing information available
No pricing information available
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Reviews
80 reviews so far
45%
saidit'sworth it
28%
saiditworked well
21%
saidit'sa big hassle

Have you used Fibercon (Calcium Polycarbophil)?

Leave a review
454 reviews so far
71%
saidit'sworth it
45%
saiditworked well
10%
saidit'sa big hassle

Have you used Metamucil (psyllium)?

Leave a review
Side effects
The Fibercon (Calcium Polycarbophil) FDA package insert doesn’t have numbers about how common side effects are.
The Metamucil (psyllium) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Drug interactions
    • Taking with calcium supplements
    • Taking with oral bisphosphonates
  • Bowel blockage
    • Age 60 or older
    • Malignancy
    • Other condition that causes blockage or narrowing of bowel
    • Taking medications that cause constipation
See more detailed risks and warnings
  • Blockage of small or large intestine
    • Age 60 or older
    • Cancer
    • Taking medicines that cause constipation
    • Limited liquid intake
  • Choking
    • Limited liquid intake
    • Swallowing problems
  • Serious allergic reaction
    • Hypersensitivity to psyllium
See more detailed risks and warnings