Magnesium Deficiency (Hypomagnesemia): Or something else? Differential Diagnosis

Endocrine, nutritional, and metabolic diseases (E00-E90).

Diabetes mellitus type 1/type 2 (glucosuria) [renal magnesium loss].
Hyperaldosteronism [renal magnesium loss]
Hypercalcemia [renal magnesium loss due to inhibition of tubular magnesium reabsorption]
Hyperthyroidism (e.g., Graves’ disease) [renal magnesium loss]
Hypoparathyroidism (parathyroid hypofunction) [renal magnesium depletion]
Malnutrition
Metabolic acidosis (metabolic acidosis) [renal magnesium loss].

Infectious and parasitic diseases (A00-B99).

Liver, gallbladder, and biliary tract-pancreas (pancreas) (K70-K77; K80-K87).

Mouth, esophagus (esophagus), stomach, and intestines (K00-K67; K90-K93).

Ulcerative colitis – chronic inflammatory disease of the mucosa of the colon or rectum.
Malassimilation syndrome – complex of symptoms of different genesis (origin) as a result of malabsorption (Latin “poor absorption“), maldigestion (decreased utilization of nutrients) or the combination of both symptoms.
Crohn’s disease – chronic inflammatory bowel disease; it usually runs in relapses and can affect the entire digestive tract; characteristic is the segmental affection of the intestinal mucosa (intestinal mucosa), that is, it may be affected several intestinal segments that are separated by healthy sections from each other
Non-infectious gastroenteritis, unspecified.
Celiac disease (synonyms: celiac disease; coeliac disease; indigenous sprue; gluten allergy; gluten-induced enteropathy; gluten-sensitive enteropathy; gluten intolerance) – chronic disease of the small intestinal mucosa due to hypersensitivity to the cereal protein gluten* .

Psyche – nervous system (F00-F99; G00-G99).

Symptoms and abnormal clinical and laboratory findings not elsewhere classified (R00-R99).

Other causes

Medication