Too little magnesium. Magnesium deficiency can occur due to inadequate intake or impaired intestinal absorption of magnesium. Low magnesium (hypomagnesemia) is often associated with low calcium (hypocalcemia) and low potassium (hypokalemia). Deficiency of magnesium causes increased irritability of the nervous system with tetany (spasms of the hands and feet, muscular twitching and cramps, spasm of the larynx, etc.). According to the National Academy of Sciences, the Recommended Dietary Allowances of magnesium are 420 milligrams per day for men and 320 milligrams per day for women. The upper limit of magnesium as supplements is 350 milligrams daily, in addition to the magnesium from food and water.
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Subnormal blood serum concentration of magnesium; may cause convulsions and concurrent hypocalcemia.

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hy·po·mag·ne·se·mia or chiefly Brit hy·po·mag·ne·sae·mia .hī-pə-.mag-nə-'sē-mē-ə n a deficiency of magnesium in the blood esp. of cattle
hy·po·mag·ne·se·mic or chiefly Brit hy·po·mag·ne·sae·mic -mik adj

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hy·po·mag·ne·se·mia (hi″po-mag″nə-seґme-ə) an abnormally low magnesium content of the blood plasma, usually the result of malabsorption, dehydration, alcoholism, or renal disease; the chief manifestation is neuromuscular irritability.

Medical dictionary. 2011.

Look at other dictionaries:

  • Hypomagnesemia — Infobox Disease Name = Hypomagnesemia Caption = Magnesium DiseasesDB = 6469 ICD10 = ICD10|E|83|4|e|70 ICD9 = ICD9|275.2 ICDO = OMIM = MedlinePlus = 000315 eMedicineSubj = med eMedicineTopic = 3382 eMedicine mult = eMedicine2|emerg|274… …   Wikipedia

  • hypomagnesemia — noun Etymology: New Latin, from hypo + magnesium + emia Date: 1933 deficiency of magnesium in the blood …   New Collegiate Dictionary

  • hypomagnesemia — noun The condition of having an abnormally low concentration of magnesium ions in the blood …   Wiktionary

  • hypomagnesemia — hy·po·mag·ne·se·mia …   English syllables

  • hypomagnesemia — …   Useful english dictionary

  • Hypomagnesemia with secondary hypocalcemia — DiseaseDisorder infobox Name = Hypomagnesemia with secondary hypocalcemia Caption = DiseasesDB = ICD10 = ICD9 = ICDO = OMIM = 602014 MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = Hypomagnesemia with secondary hypocalcemia (HSH) is an… …   Wikipedia

  • Magnesium in biology — Magnesium is an essential element in biological systems. Magnesium occurs typically as the Mg2+ ion. It is an essential mineral nutrient for life[1][2][3] and is present in every cell type in every organism. For example, ATP (adenosine… …   Wikipedia

  • Magnesium deficiency (medicine) — This article is about magnesium deficiency in humans and animals. For the condition of low blood magnesium levels, see Hypomagnesemia. For the condition of poor magnesium nutrition in plants, see Magnesium deficiency (agriculture). Magnesium… …   Wikipedia

  • Hypocalcaemia — DiseaseDisorder infobox Name = Hypocalcemia ICD10 = ICD10|E|83|5|e|70 ICD9 = ICD9|275.41 ICDO = Caption = Calcium OMIM = OMIM mult = MedlinePlus = eMedicineSubj = emerg eMedicineTopic = 271 DiseasesDB = 6412 MeshID = D006996 In medicine,… …   Wikipedia

  • Magnesium transporter — This page links directly from the magnesium in biological systems page. Magnesium transporters are proteins that transport magnesium across the cell membrane. All forms of life require magnesium, yet the molecular mechanisms of Mg2+ uptake from… …   Wikipedia

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