Magnesium |
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Basic Information
Brand names:
Magnesium Carbonate/Sodium Bicarbonate for Oral Suspension
Bisodol(R)
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Milk of Magnesia
M.O.M.(R)
Phillips' Milk of Magnesia(R)
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Milk of Magnesia and Mineral Oil Emulsion
Haley's M-O(R)
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Magnesium-Oxide Capsules
Par-Mag(R)
Uro-Mag(R)
Magnesium-Oxide Tablets
Mag-Ox 400(R)
Maox(R)
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Magnesium-Sulfate Tablets
Bilagog(R)
Magnesium-Sulfate Crystals
Magnesium Sulfate Crystals(R)
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Magnesium Trisilicate/Alumina/Magnesia Chewable Tablets
Magnatril(R)
Magnesium Trisilicate/Alumina/Magnesia Oral Suspension
Magnatril(R)
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Magnesium Trisilicate/Alumina/Magnesium Carbonate Capsules
Escot(R)
Available from natural sources? Yes
Available from synthetic sources? No
Prescription required? Yes, for some forms
NATURAL SOURCES
Almonds
Bluefish
Carp
Cod
Flounder
Halibut
Herring
Leafy, green vegetables
Mackerel
Molasses
Nuts
Ocean perch
Shrimp
Snails
Soybeans
Sunflower seeds
Swordfish
Wheat germ
REASONS TO USE
Aids bone growth.
Aids function of nerves and muscles, including regulation of
normal heart rhythm.
Keeps metabolism steady.
Conducts nerve impulses.
Works as laxative in large doses.
Acts as antacid in small doses.
Strengthens tooth enamel.
UNPROVED SPECULATED BENEFITS
Cures alcoholism.
Cures kidney stones.
Alleviates heart disease.
Helps control bad breath and body odor.
Helps contain lead poisoning.
WHO NEEDS ADDITIONAL AMOUNTS?
Anyone with inadequate caloric or dietary intake or increased
nutritional requirements.
Those who abuse alcohol or other drugs.
People with a chronic wasting illness or who have recently
undergone surgery.
Those with recent severe burns or injuries.
DEFICIENCY SYMPTOMS
The following symptoms occur rarely:
Muscle contractions
Convulsions
Confusion and delirium
Irritability
Nervousness
Skin problems
Hardening of soft tissues
UNPROVED SPECULATED SYMPTOMS
Sudden heart failure
LAB TESTS TO DETECT DEFICIENCY
Serum magnesium
DOSAGE AND USAGE INFORMATION
| Age |
RDA |
| 0-6 months |
50mg |
| 6-12 months |
70mg |
| 1-3 years |
150mg |
| 4-6 years |
200mg |
| 7-10 years |
250mg |
| MALES |
| 11-14 years |
350mg |
| 15-18 years |
400mg |
| 18+ years |
350mg |
| FEMALES |
| 11+ years |
300mg |
| Pregnant |
+150mg |
| Lactating |
+150mg |
What this mineral does:
Activates essential enzymes.
Affects metabolism of proteins and nucleic acids.
Helps transport sodium and potassium across cell membranes.
Influences calcium levels inside cells.
Available as:
A constituent of many multivitamin/mineral preparations.
WARNINGS AND PRECAUTIONS
Don't take if you have:
Kidney failure.
Heart block (unless you have a pacemaker).
An ileostomy.
Consult your doctor if you have:
Chronic constipation, colitis, diarrhea.
Symptoms of appendicitis.
Stomach or intestinal bleeding.
Over age 55:
Adverse reactions/side effects more likely.
Pregnancy:
Risk to fetus outweighs benefits. Don't use.
Breast-feeding:
Avoid magnesium in large quantities.
If you must take temporarily, discontinue breast-feeding.
Consult doctor for advice on maintaining milk supply.
Don't take megadoses.
Effect on lab tests:
Makes test for stomach-acid secretion inaccurate.
May increase or decrease serum-phosphate concentrations.
May decrease serum and urine pH.
Storage:
Store in cool, dry place away from direct light, but don't
freeze.
Store safely out of reach of children.
Don't store in bathroom medicine cabinet. Heat and moisture
may change action of mineral.
Others:
Chronic kidney disease frequently causes body to retain excess
magnesium.
Adverse reactions, side effects and interactions with
medicines, vitamins or minerals occur ONLY RARELY when too much
magnesium is taken for too long or if you have kidney disease.
OVERDOSE/TOXICITY
Signs and symptoms:
Severe nausea and vomiting, extremely low blood pressure,
extreme muscle weakness, difficulty breathing, heartbeat
irregularity.
What to do:
For symptoms of overdosage: Discontinue mineral, and consult
doctor immediately. Also see ADVERSE REACTIONS OR SIDE EFFECTS
section below.
For accidental overdosage (such as child taking entire
bottle): Dial 911 (emergency), 0 for operator or your nearest
Poison Control Center.
ADVERSE REACTIONS OR SIDE EFFECTS
| Reaction or effect |
What to do |
| Abdominal pain |
Discontinue. Call doctor immediately. |
| Appetite loss |
Discontinue. Call doctor when |
|
convenient. |
| Diarrhea |
Discontinue. Call doctor immediately. |
| Irregular heartbeat |
Seek emergency treatment. |
| Mood changes or mental changes |
Discontinue. Call doctor when |
|
convenient. |
| Nausea |
Discontinue. Call doctor immediately. |
| Tiredness or weakness |
Discontinue. Call doctor when |
|
convenient. |
| Urination discomfort |
Discontinue. Call doctor when |
|
convenient. |
| Vomiting |
Discontinue. Call doctor |
|
immediately. |
INTERACTION WITH MEDICINE, VITAMINS OR MINERALS
| Interacts with |
Combined effect |
| Cellulose sodium phosphate |
Decreases magnesium effect. |
|
Take 1 or more hours apart. |
| Fat-soluble vitamins (A, E, K) |
Decreases absorption of |
|
mineral. |
| Ketoconazole |
Reduces absorption of |
|
ketoconazole. Take 2 hours |
|
apart. |
| Mecamylamine |
May slow urinary excretion of |
|
mecamylamine. Avoid |
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combination. |
| Tetracycline |
Decreases absorption of |
|
tetracycline. |
| Vitamin D |
May raise magnesium level too |
|
high. |
INTERACTION WITH OTHER SUBSTANCES
None known
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