Vitamin D Toxicity Last updated: Jul 17, 2008

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  Vitamin D Toxicity  
 

 
Signs, symptoms and indicators | Conditions that suggest it | Contributing risk factors | It can lead to... | Recommendations

 
 

 
 

Signs, symptoms & indicators of Vitamin D Toxicity:
 
 
Symptoms - Aging  Poor balance

Symptoms - General
  Constant fatigue
  General dizziness

Symptoms - Muscular
  (Severe) muscle cramp/twitching
  Tender muscles
 
 

Conditions that suggest Vitamin D Toxicity:
 
 
HormonesCounter-indicators:
  Hyperparathyroidism
 When hyperparathyroidism is present, the likelihood of elevated serum calcium being caused by other conditions is obviously reduced.

Nervous System
  Neuritis/Neuropathy
 A "pins and needles" sensation or numbness have been caused by sarcoidosis.
 
 

Risk factors for Vitamin D Toxicity:
 
 
Lab Values - Chemistries  Hypercalcemia

Symptoms - Muscular
  History of tender muscles
 
 

Vitamin D Toxicity can lead to:
 
 
Nervous System  Neuritis/Neuropathy
 A "pins and needles" sensation or numbness have been caused by sarcoidosis.

  Bell's Palsy
 Hypervitaminosis D has been known to cause facial palsy.
 
 

Recommendations for Vitamin D Toxicity:
 
 
VitaminsNot recommended:
  Vitamin D
 
 


KEY
Weak or unproven link
Strong or generally accepted link
Strongly counter-indicative
Avoid absolutely

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GLOSSARY

Calcium:  The body's most abundant mineral. Its primary function is to help build and maintain bones and teeth. Calcium is also important to heart health, nerves, muscles and skin. Calcium helps control blood acid-alkaline balance, plays a role in cell division, muscle growth and iron utilization, activates certain enzymes, and helps transport nutrients through cell membranes. Calcium also forms a cellular cement called ground substance that helps hold cells and tissues together.

Serum:  The cell-free fluid of the bloodstream. It appears in a test tube after the blood clots and is often used in expressions relating to the levels of certain compounds in the blood stream.