Magnesium Citrate
Magnesium Citrate Oral solution
What is this medicine?
MAGNESIUM CITRATE (mag NEE zee um SI treyt) is a saline laxative. It is used to treat occasional constipation, but it should not be used regularly for this purpose.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
are on a low magnesium or low sodium diet
change in bowel habits for 2 weeks
colostomy or ileostomy
constipation after using another laxative for 7 days
diabetes
kidney disease
rectal bleeding
stomach pain, nausea, or vomiting
an unusual or allergic reaction to magnesium citrate, other magnesium products, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
How should I use this medicine?
Take this medicine by mouth. Follow the directions on the package or prescription label. Use a specially marked spoon or container to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not accurate. Drink a full glass of fluid with each dose of this medicine. This medicine may taste better if it is chilled before you drink it. Do not take your medicine more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 2 years of age for selected conditions, precautions do apply.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
This does not apply; this medicine is not for regular use.
What may interact with this medicine?
cellulose sodium phosphate
digoxin
edetate disodium, EDTA
medicines for bone strength like etidronate, ibandronate, risedronate
sodium polystyrene sulfonate
some antibiotics like ciprofloxacin, doxycycline, gatifloxacin, levofloxacin, tetracycline
vitamin D
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medicine?
Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.
Do not take any other medicine by mouth within 2 hours of taking this medicine.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
breathing problems
chest pain
fast, irregular heartbeat
muscle weakness
nausea or vomiting
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
diarrhea
stomach upset
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature or in the refrigerator between 8 and 30 degrees C (46 and 86 degrees F). Throw away any unused medicine 24 hours after opening the bottle. Throw away unopened bottles of medicine after the expiration date.
Updated:  
March 21, 2017
Sources:  
U.S. FDA-approved Package Insert