Compare Magnesium Citrate vs. Senna-S

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

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Treats constipation.

Citrate Of Magnesia (Magnesium Citrate) works well if you need to really get things moving, but it's not a good medicine to manage chronic constipation.

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.

3.3/ 5 average rating with 95 reviewsforSenna-S
Upsides
  • Really strong laxative that gets things moving fast.
  • Can also be used to prep your bowel before you go for surgery or colonoscopy. Your doctor will give you specific instructions if you use it this way.
  • 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.
Downsides
  • It doesn't work for everyone and some people feel it's a hassle.
  • Some brands are of Magnesium Citrate are tinted red and can change the color of your stool.
  • Can cause dizziness, weakness, diarrhea, and the feeling that you "have to go right now".
  • Magnesium Citrate contains magnesium which prevents certain medicines from working properly. Make sure you take your dose of Magnesium Citrate at least 2 hours before or after other medicines.
  • You can't take it for more than a week or so.
  • 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".
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Used for
Dosage forms
  • Liquid
  • Pill
No pricing information available
No pricing information available
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Reviews
Not enough review data.Leave a review
95 reviews so far
39%
saidit'sworth it
29%
saiditworked well
22%
saidit'sa big hassle

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Side effects
The Citrate Of Magnesia (Magnesium Citrate) FDA package insert doesn’t have numbers about how common side effects are.
The Senna-S (Docusate / Senna) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Bowel blockage
    • Age 60 or older
    • Malignancy
    • Other condition that causes blockage or narrowing of bowel
    • Taking medications that cause constipation
  • Electrolyte imbalance
    • Taking with medications that cause electrolyte imbalance
    • Age 60 or older
  • Risk to fetus
    • Women of childbearing age
  • Worsening of neuromuscular conditions
    • Taking Citrate Of Magnesia (Magnesium Citrate) if you have kidney disease and neuromuscular disease
    • Taking Citrate Of Magnesia (Magnesium Citrate) if you have neuromuscular disease
  • High magnesium levels
    • Kidney disease
    • Taking other magnesium-containing medicines or supplements
See more detailed risks and warnings
  • Bowel blockage
    • Age 60 or older
    • Malignancy
    • Other condition that causes blockage or narrowing of bowel
    • Taking medications that cause constipation
  • Laxative dependence
    • Age 60 or older
    • Taking medications that cause constipation
    • People who can't walk or move well (immobility)
  • Risk to fetus
    • Women of childbearing age
  • Allergic reactions
    • Allergy or sensitivity to aloe (cross-allergic reaction)
See more detailed risks and warnings