Compare Fibercon vs. Senna

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

Fibercon
(calcium polycarbophil)

Senokot
(senna)

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.Relieves constipation. Senokot (senna) is gentle and effective, but it may be weaker than other laxatives.
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
3.96Fibercon
Reviews for Fibercon
45%
of people (All ages) say Fibercon is worth it
28%
say it works well
21%
say it's a big hassle
Have you used Fibercon (calcium polycarbophil)?
Worth itNot sureNot worth it
Reviews for Senna
58%
-13% worse vs. Fibercon
35%
-7% worse vs. Fibercon
10%
-11% worse vs. Fibercon
Have you used Senokot (senna)?
Worth itNot sureNot worth it
Side effects
FiberconSenna

We haven’t found good data for Fibercon side effects.

FDA side effect reports for Fibercon »

The Senna FDA package insert doesn’t have numbers about how common side effects are.

More about Senna side effects »
How it works
FiberconSenna
Fibercon (Calcium Polycarbophil) is a fiber-based laxative. It adds bulk and moisture to your intestine, which softens stool and makes it easier to pass.Senokot (senna) is a laxative. It causes contractions in your intestine muscles to push stool through. It also makes stool more watery.
Type of medication
FiberconSenna
Over-the-counterOver-the-counter
Available as
FiberconSenna
  • Pill
  • Pill
Used for
FiberconSenna
Risk factors for serious side effects
FiberconSenna
  • Taking with calcium supplements
  • Taking with oral bisphosphonates
  • Age 60 or older
  • Malignancy
  • Other condition that causes blockage or narrowing of bowel
Detailed Fibercon (calcium polycarbophil) risks & warnings »
  • Age 60 or older
  • Cancer
  • Other condition that causes blockage or narrowing of bowel
  • Taking medications that cause constipation
Detailed Senokot (senna) risks & warnings »
Pregnancy

The FDA hasn’t classified this medicine’s effects on unborn babies. Talk with your doctor about this medicine if you’re pregnant or planning on it.

Food
FiberconSenna
  • Talk to you doctor about eating certain foods and getting more exercise to help prevent your constipation.
No food related info.
Pain
FiberconSenna
  • If you take Fibercon then have chest pain, vomiting, trouble breathing or swallowing, get medical help immediately.
  • Ask your doctor before taking Fibercon if you have stomach pain, nausea, vomiting or had sudden changes in your stool for more than 2 weeks.
No pain related info.
Weight
FiberconSenna
  • Less gas and bloating compared to psyllium laxative products.
No weight related info.
Upsides and benefits
FiberconSenna
  • 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.
  • Senokot (senna) is generally well-tolerated.
  • Can be used if you have hemorrhoids.
  • Can be used in children as young as 2 years old.
Downsides and risks
FiberconSenna
  • 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.
  • Can cause salt imbalances in the blood, especially if you are dehydrated or if you are on water pills.
  • Takes longer to work compared to other medicines for constipation.
Tips from our pharmacists for people taking the medication
FiberconSenna
  • It's important to take each dose with at least 8 ounces (a full glass) of water or other liquid. Works in about 12-72 hours.
  • Don't take more than 8 caplets in a 24 hour period without asking your doctor first and not for more than one week.
  • Don't take Fibercon within 2 hours before or after taking other medicines. It may interact and affect how they work.
  • If you take Fibercon then have chest pain, vomiting, trouble breathing or swallowing, get medical help immediately.
  • Ask your doctor before taking Fibercon if you have stomach pain, nausea, vomiting or had sudden changes in your stool for more than 2 weeks.
  • Ask your doctor about giving Fibercon to anyone younger than 12 years.
  • Talk to you doctor about eating certain foods and getting more exercise to help prevent your constipation.
  • It's best to take Senokot (senna) at bedtime. You can expect to have a bowel movement the following morning.
  • You may need a combination of different constipation medicines if Senokot (senna) alone does not help.
  • Eating more fruits and vegetables with lots of fiber can help constipation.
  • Remaining active and staying hydrated are good ways to prevent constipation.
  • Certain medications can increase your risk of constipation. Talk to your doctor or pharmacist about changing your medicines to lower your risk.
Learn more
More about FiberconSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Fibercon (calcium polycarbophil)?
Worth itNot sureNot worth it
More about SennaSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Senokot (senna)?
Worth itNot sureNot worth it