Hypoparathyroidism is a rare condition in which patients have low levels of parathyroid hormone, or PTH. PTH controls calcium levels by acting on bones, controlling the breakdown of bone to release calcium, and acting on the stomach and intestines to regulate how much calcium we absorb from what we eat.
Low levels of PTH lead to symptoms that include tingling in the fingers and toes, and severe muscle cramps.
Damage to or the removal of the parathyroid glands leads to acquired hypoparathyroidism. Because the glands are small and fragile, they can be damaged by accident during surgery to the head or neck. If you were in an accident that required surgery to the head or neck, you may develop acquired hypoparathyroidism.
You can develop autoimmune hypoparathyroidism if your immune system mistakenly begins to attack either your parathyroid glands or the PTH itself. You may develop this type of autoimmune reaction as part of another autoimmune disease, called autoimmune polyendocrine syndrome type 1 (APS1). However, not everyone with APS1 develops hypoparathyroidism.
Autoimmune hypoparathyroidism can also occur with no other symptoms. This is called idiopathic autoimmune hypoparathyroidism because the cause is unknown.
Congenital and idiopathic hypoparathyroidism
You may have hypoparathyroidism from birth. This type of hypoparathyroidism is called congenital hyperparathyroidism. It can occur as a result of mutations in the genes involved in making PTH.
You may also be born without parathyroid glands, which can cause congenital hypoparathyroidism.
For some people, doctors don’t know the cause of hypoparathyroidism. They call the disease idiopathic congenital hypoparathyroidism. Idiopathic is used to distinguish diseases of unknown origin.
You may have a family history of hypoparathyroidism; if your parents or siblings have hyperparathyroidism, you may also be at risk. Familial hypoparathyroidism usually occurs in the absence of other endocrine diseases or developmental problems.
Last updated: April 15, 2020
Hypoparathyroidism News is strictly a news and information website about the disease. It does not provide medical advice, diagnosis, or treatment. This content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.
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