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An excess of vitamin D causes abnormally high blood concentrations of calcium, which can cause overcalcification of the bones, soft tissues, heart and kidneys. In addition, hypertension can result. [1] Symptoms of vitamin D toxicity may include the following: Dehydration. Vomiting.
Hypocalcemia is a medical condition characterized by low calcium levels in the blood serum. [5] The normal range of blood calcium is typically between 2.1–2.6 mmol/L (8.8–10.7 mg/dL, 4.3–5.2 mEq/L), while levels less than 2.1 mmol/L are defined as hypocalcemic. [1] [3] [6] Mildly low levels that develop slowly often have no symptoms.
The main symptoms of hypoparathyroidism are the result of the low blood calcium level, which interferes with normal muscle contraction and nerve conduction.As a result, people with hypoparathyroidism can experience paresthesia, an unpleasant tingling sensation around the mouth and in the hands and feet, as well as muscle cramps and severe spasms known as "tetany" that affect the hands and feet ...
Initially, people with insomnia experience fatigue, low energy, difficulty concentrating and impaired memory. Some other short-term effects include: Mood disturbances, such as irritability or ...
High or low levels can cause or signal medical issues. ... Insomnia. Excessive adrenaline due to a medical issue may include symptoms like: ... Calcium channel blockers. Cocaine. Cyclobenzaprine ...
The Chvostek sign (/ ˈkvɒstɪk /) is a clinical sign that someone may have a low blood calcium level (a decreased serum calcium, called hypocalcemia). The Chvostek sign is the abnormal twitching of muscles that are activated (innervated) by the facial nerve (also known as Cranial Nerve Seven, or CNVII). [1] When the facial nerve is tapped in ...
Augmented calcium levels in the blood (by as much as 25% – known as hypercalcaemia). This can cause stomach upset, excessive urination, and impaired kidney function. [13] Diabetes may be activated or intensified, and its control worsened. The diabetes is ameliorated or may disappear when the thyrotoxicosis is treated. [4]
Calcium carbonate is the type of calcium supplement that’s most likely to cause constipation, Dr. Uradomo says. But the research on calcium and constipation is mixed, Bragagnini says. Research ...