Compare Movantik vs. Magnesium Citrate

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

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Relieves constipation caused by opioid pain relievers.

Movantik (naloxegol) is a good option for treating constipation due to the use of opioids. However, it can cause side effects that make you feel like you are going through opioid withdrawal.

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.

Upsides
  • Is a good option if traditional laxatives have not worked for you.
  • Take Movantik (naloxegol) only once a day.
  • Compared to alternatives, this medicine doesn't affect your heart.
  • 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.
Downsides
  • Side effects of Movantik (naloxegol), including withdrawal and loss of pain control, may be worse in people taking certain opiates, such as methadone.
  • More expensive than traditional laxatives. There is no generic available.
  • Need to take this medicine on an empty stomach or it won't work as well.
  • You may have to take a lower dose of Movantik (naloxegol) if you have kidney problems, which may be less effective or cause more side effects.
  • 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.
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Used for
Dosage forms
  • Pill
  • Liquid
Price
No pricing information available
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Reviews
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Side effects
7possible side effects
  • Abdominal pain
    21%
  • Diarrhea
    9%
  • Nausea
    8%
  • Gas
    6%
  • Vomiting
    5%
  • Headache
    4%
  • Excess sweating
    3%
See more detailed side effects
The Citrate Of Magnesia (Magnesium Citrate) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Opioid withdrawal & reduced pain relief
    • Methadone use
  • Severe abdominal pain and/or diarrhea
    • Movantik 25mg
  • Stomach or intestinal holes
    • Crohns disease
    • Peptic ulcer disease
    • Diverticular disease
    • Stomach malignancies
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
  • 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