Drug Reference
Magnesium Citrate
Osmotically acting laxatives
OTC
Fact box
- Therapeutic class
- Osmotically acting laxatives
- Habit forming
- No
- Availability
- Over-the-counter (OTC)
Brand names
Citroma
Available as
58.2 MG/ML · Oral Solution45 MG · Extended Release Oral Tablet100 MG · Oral Tablet125 MG · Oral Capsule133.3 MG · Oral Capsule85 MG · Chewable Tablet100 MG · Oral Capsule84 MG · Chewable Tablet100 MG · Chewable Tablet70 MG · Oral Capsule250 MG · Oral Capsule250 MG · Chewable Tablet
FDA label sections are from openFDA and may not reflect the most recent labeling — confirm against the current DailyMed label.
Uses
Uses: • For relief of occasional constipation (irregularity). • Generally produces bowel movement in ½ to 6 hours
How to use / dosing
Directions: • shake well before using • drink a full glass (8 ounces) of liquid with each dose • may be taken as a single daily dose or in divided doses adults and children 12 years of age and over 6.5 to 10 fl oz maximum 10 fl oz in 24 hours children 6 to under 12 years of age 3 to 7 fl oz maximum 7 fl oz in 24 hours children 2 to under 6 years of age 2 to 3 fl oz maximum 3 fl oz in 24 hours children under 2 years of age ask a doctor
Safety advice
Conservative summary derived from FDA labeling — defaults to “consult your doctor” unless the label is explicit. Not a substitute for your clinician’s advice.
PregnancyConsult your doctor
…If pregnant or breast-feeding , ask a health professional before use.…
BreastfeedingConsult your doctor
…If pregnant or breast-feeding , ask a health professional before use.…
AlcoholNo information
No specific information in the FDA label.
DrivingNo information
No specific information in the FDA label.
KidneyConsult your doctor
…Kidney disease •…
LiverNo information
No specific information in the FDA label.
Warnings & precautions
Warnings: Ask a doctor before use if you have • Kidney disease • a magnesium restricted diet • Abdominal pain, nausea, or vomiting • Noticed a sudden change in bowel habits that persists over a period of 2 weeks • Already used a laxative for a period longer than 1 week Ask a doctor or pharmacist before use if you are • Taking any other drug. • Take this product 2 or more hours before or after other drugs. Laxatives may affect how other drugs work. Stop use and ask a doctor if you have rectal bleeding or failure to have a bowel movement after use. These could be signs of a serious condition. If pregnant or breast-feeding , ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.
Current FDA labels (DailyMed)
Authoritative sources
Reference only — not clinical advice. Verify against current FDA labeling and consult a licensed provider. About half of pediatric drug use is off-label and is not reflected in FDA labels; absence of pediatric information does not mean a medicine is unused or unsafe in children.