Compare Senna-S vs. Metamucil

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

Senna-S
(Docusate / Senna)

Metamucil
(Psyllium)

Helps get things moving and softens things up. Senna and docusate join forces to create Senna-S (Docusate / Senna), a vegetable-based laxative that gently relieves constipation.Helps get things moving. The natural psyllium fiber in Metamucil (Psyllium) does more than relieve constipation. It lowers cholesterol, keeps blood sugar levels healthy, and makes you feel less hungry between meals.
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Reviews & ratings
Button Group. All currently active
Button Group. All currently active
4.361702127659575Senna-S
Reviews for Senna-S (Docusate / Senna)
38%
of people say Senna-S (Docusate / Senna) is worth it
29%
say it works well
21%
say it's a big hassle
Reviews for Metamucil (Psyllium)
71%
+33% vs. Senna-S (Docusate / Senna)
45%
+16% vs. Senna-S (Docusate / Senna)
10%
+11% vs. Senna-S (Docusate / Senna)
Side effects
Senna-SMetamucil

We haven’t found good data for Senna-S side effects.

FDA side effect reports for Senna-S »

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

FDA side effect reports for Metamucil »
How it works
Senna-SMetamucil
Senna-S (Docusate / Senna) is a combination medicine. Docusate is a stool softener, and Senna is a stimulant laxative. These two ingredients work together to make stools easier to pass.Metamucil (Psyllium) is a fiber-based laxative. It adds bulk and moisture to your intestine, which softens stool and makes it easier to pass.
Type of medication
Senna-SMetamucil
Laxative
Stool softener
Laxative
Stimulant
Over-the-counter
Laxative
Bulk-producing
Over-the-counter
Available as
Senna-SMetamucil
  • Pill
  • Liquid
Used for (click to learn more)
Senna-SMetamucil
Risk factors for serious side effects
Senna-SMetamucil
  • Age 60 or older
  • Malignancy
  • Other condition that causes blockage or narrowing of bowel
  • Taking medications that cause constipation
  • Age 60 or older
  • Taking medications that cause constipation
  • People who can't walk or move well (immobility)
  • Women of childbearing age
  • Allergy or sensitivity to aloe (cross-allergic reaction)
Detailed Senna-S (Docusate / Senna) risks & warnings »
  • Age 60 or older
  • Malignancy
  • Other condition that causes blockage or narrowing of bowel
  • Taking medications that cause constipation
  • Sensitivity to psyllium
Detailed Metamucil (Psyllium) risks & warnings »
Pregnancy category
Senna-SMetamucil
NFDA pregnancy category (Unknown)

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.

See the FDA package insert
NFDA pregnancy category (Unknown)

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.

See the FDA package insert
Alcohol
No specific alcohol-related info.No specific alcohol-related info.
Food
  • Talk to you doctor about eating certain foods and getting more exercise to help prevent your constipation.
  • It has multiple health benefits, good to control your hunger between meals, improves your blood sugar and lowers cholesterol levels.
  • Talk to you doctor about eating certain foods and getting more exercise to help prevent your constipation.
Kidneys and liver
No specific kidneys and liver-related info.No specific kidneys and liver-related info.
Sex
No specific sex-related info.No specific sex-related info.
Sleep
No specific sleep-related info.No specific sleep-related info.
Weight
No specific weight-related info.No specific weight-related info.
Upsides and benefits
Senna-SMetamucil
  • The combination of a laxative and stool softener might work better for people with constipation caused by medicines.
  • The laxative in Docusate/Senna was used over 3,500 years ago, so it's been around for a while.
  • Docusate/Senna is clinically proven to relieve constipation from a variety of causes.
  • One of the few laxative/stool-softener combinations that can be given to children 2 and older.
  • It may not work for everyone, but people felt it was worth the hassle.
  • Psyllium is the most recommended brand of natural fiber laxative
  • Some people feel that taking Psyllium is a hassle, but most think it's worth it.
  • It has multiple health benefits, good to control your hunger between meals, improves your blood sugar and lowers cholesterol levels.
  • Studies show it works better than a stool softener for constipation.
Downsides and risks
Senna-SMetamucil
  • Most people felt that it's not the most effective laxative out there, but they could deal with the hassle and it worked pretty well.
  • Docusate/Senna can cause cramping or the feeling that you "have to go right now".
  • You may have to take Psyllium daily for 1-3 days to see full effects.
  • If you don't take it with enough liquid, it could swell, 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.
  • Psyllium contains psyllium. Don't take if you have an allergy to psyllium from breathing it in or swallowing it.
  • Can cause gas and mild belly cramps.
Tips from our pharmacists for people taking the medication
Senna-SMetamucil
  • Docusate/Senna is a combination of a laxative and stool softener. Together they work to relieve constipation better than each medicine alone.
  • Best to take at bedtime or as your doctor has prescribed, but not for more than one week. It works in about 6-12 hours.
  • Ask your doctor about giving Docusate/Senna to anyone younger than 2 years.
  • Don't use if you're taking mineral oil for constipation. Ask your doctor first.
  • Ask your doctor before taking Docusate/Senna if you have stomach pain, nausea, vomiting or had sudden changes in your stool for more than 2 weeks.
  • Check with your baby doctor before using or if you're pregnant or breastfeeding.
  • Talk to you doctor about eating certain foods and getting more exercise to help prevent your constipation.
  • Psyllium works in about 12-72 hours for constipation.
  • It's important to take each dose with at least 8 ounces (a full glass) of water or other liquid (not hot liquids).
  • Mix powder well and drink right away up to 3 times a day (build up to this slowly), but not for more than one week.
  • Don't take Psyllium within 2 hours before or after taking other medicines. It may interact and affect how they work.
  • If you take Psyllium then have chest pain, vomiting, trouble breathing or swallowing, get medical help immediately.
  • Ask your doctor before taking Psyllium if you have stomach pain, nausea, vomiting or had sudden changes in your stool for more than 2 weeks.
  • Ask your doctor about giving Psyllium to anyone younger than 12 years.
  • Stop taking Psyllium and call your doctor if you have pain, swelling or bulging in your belly, rectal bleeding or have not had a bowel movement after taking.
  • Talk to you doctor about eating certain foods and getting more exercise to help prevent your constipation.
Learn more
More about Senna-SSide effectsReviews & ratingsAlternativesFDA package insert
More about MetamucilSide effectsReviews & ratingsAlternativesFDA package insert