Hypomagnesemia (patient information)
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Hypomagnesemia |
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Hypomagnesemia On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Charmaine Patel, M.D. [2]
Overview
Hypomagnesemia means low levels of magnesium in the blood.
What are the symptoms of Hypomagnesemia?
Common symptoms include:
- Abnormal eye movements (nystagmus)
- Convulsions
- Fatigue
- Muscle spasms or cramps
- Muscle weakness
- Numbness
What causes Hypomagnesemia?
Several conditions can cause hypomagnesemia, including:
- Alcoholism
- Chronic diarrhea
- High blood calcium levels (hypercalcemia)
- Hyperaldosteronism
- Malabsorption syndromes, such as celiac disease and inflammatory bowel disease
- Malnutrition
- Medications including amphotericin, cisplatin, cyclosporine, diuretics, and aminoglycoside antibiotics
- Excessive urination (polyuria), such as in uncontrolled diabetes and during recovery from acute kidney failure
- Sweating
Diagnosis
Your health care provider will do a complete physical examination to help determine the cause of your symptoms.
Signs include:
- Electrocardiogram (ECG) changes
- Low blood calcium level (hypocalcemia)
- Low blood potassium level (hypokalemia)
Blood and urine tests will be done. Other tests that can confirm hypomagnesemia include:
Comprehensive metabolic panel
- Magnesium blood test
- Urine magnesium test
When to seek urgent medical care?
Hypomagnesemia can be a life-threatening emergency. Call your health care provider if you have symptoms of this condition.
Treatment options
The cause of hypomagnesemia must be diagnosed and treated. Treatment depends on the type of hypomagnesemia, but may include:
- Fluids given through a vein (IV)
- Magnesium by mouth or through a vein
- Medication to relieve symptoms
Where to find medical care for Hypomagnesemia?
Directions to Hospitals Treating Condition
Prevention
Treating the condition that is causing hypomagnesemia can help. If you play any demanding sports, drink fluids that contain electrolytes (sports drinks). Drinking only water while you take part in high-energy athletic events can lead to acute hypomagnesemia.
What to expect (Outlook/Prognosis)?
The outcome depends on the condition that is causing the problem.