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- What is magnesium citrate? How does it work (mechanism of action)?
- What are the uses for magnesium citrate?
- What are the side effects of magnesium citrate?
- What is the dosage for constipation? How should it be taken?
- Which drugs or supplements interact with magnesium citrate?
- Is magnesium citrate safe to take if I'm pregnant or breastfeeding?
- What else should I know about magnesium citrate?
What is magnesium citrate? How does it work (mechanism of action)?
Magnesium citrate is supplied as an oral tablet or liquid saline laxative. Magnesium citrate retains water in the intestines by osmosis. Increasing water in the bowel aids motility, usually producing a bowel movement within one-half to six hours.
What are the uses for magnesium citrate?
Magnesium citrate is used for:
What is the dosage for constipation? How should it be taken?
- Adults and children 12 years of age and older: Use 195 to 300 ml of magnesium citrate with a full glass of water. It may be taken as a single dose or divided doses or may also be used with 2 to 4 tablets at bedtime.
- Children 6 to under 12 years of age: Use 90 to 210 ml of magnesium citrate with a full glass of water; it may be taken as a single dose or divided doses.
- Children 2 to under 6 years of age: Use 60 to 90 ml of magnesium citrate; it may be taken as a single dose or divided doses with a maximum dose of 90 ml in 24 hours.
Which drugs or supplements interact with magnesium citrate?
Magnesium citrate should not be combined with antibiotics like:
- eltrombopag (Promacta)
- doxycycline (Vibramycin)
- demeclocycline (Declomycin)
- dolutegravir (Tivicay)
- minocycline (Minocin)
- ciprofloxacin (Cipro)
- levofloxacin (Levaquin)
Magnesium citrate decreases absorption of these antibiotics and leads to decreased therapeutic effect.
Is magnesium citrate safe to take if I'm pregnant or breastfeeding?
- There is little risk of harm to the developing fetus.
- Magnesium citrate can be safely and effectively used in nursing mothers because of minimal infant risk.
What else should I know about magnesium citrate?
- Magnesium citrate is availabe as 290 mg/ 5 ml and tablets of 100 mg.
- Store magnesium citrate between temperatures 8 C and 30 C (46 F and 86 F).
- Magnesium citrate is availabe in generic form.
- You do not need a prescription from your doctor to buy Milk of Magnesia.
Quick GuideDigestive Disorders: 23 Constipation Myths and Facts
Magnesium citrate (Citrate of Magnesia, Citroma) is an OTC medicine that retains water in the intestines to relieve constipation. A magnesium citrate supplement is used for treating heartburn. Side effects include abdominal cramps, diarrhea, bloating, and an electrolyte imbalance. Dosage depends whether it is an adult or child being treated. Magnesium citrate interacts with some antibiotics.
Magnesium citrate (Citrate of Magnesia, Citroma) is an over-the-counter medicine that helps relieve and treat constipation. Magnesium citrate supplements also are used for treating heartburn.
Side effects of magnesium citrate include nausea, vomiting, abdominal cramps, diarrhea, bloating, and an electrolyte imbalance.
Dosage of magnesium citrate depends on a person’s age. Magnesium citrate should not be combined with some antibiotics, for example, doxycycline (Vibramycin), tetracycline, minocycline (Minocin), ciprofloxacin (Cipro), and levofloxacin (Levaquin).
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