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Doctor insights on: What Could Be Causing Low Vitamin D Even With Normal Calcium Levels

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What could be causing low vitamin d even with normal calcium levels?

What could be causing low vitamin d even with normal calcium levels?

Too little intake: The body maintains stores of vitamin d in the fat cells. It takes a long time for a deficiency to develop, and a long time to correct it using typical over-the-counter supplements. People normally get vitamin d from sun exposure and a few food sources (liver, eggs) as people have moved indoors and don't eat as much eggs & liver, vitamin d deficiency has become more common. ...Read more

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Dr. Randy Baker
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Vitamin D (Definition)

Vitamin d is a vitamin which is a kind of nutritional agent ...Read more


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Ok I have low phospherous levels and now blood test saying extremely low vitamin d. Can that be cause of the low phospherous issue and can chronic diarrhea cause the d deficiency?

Ok I have low phospherous levels and now blood test saying extremely low vitamin d.  Can that be cause of the low phospherous issue and can chronic diarrhea cause the d deficiency?

Could be: Low vitamin d is extremely common and easily correctable by oral supplementation. Diarrhea may aggravate vitamin d deficiency. Low vitamin d may alter calcium and phosphate metabolism. It would be helpful to discuss all of these issues with your doctor. ...Read more

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What causes you to have a borderline high calcium level but very very low Vitamin D Level? Any diseases or disorders associated with this?

What causes you to have a borderline high calcium level but very very low Vitamin D Level? Any diseases or disorders associated with this?

Many: What is your PTH and phosphorus levels and the serum albumin level ? Further testing is needed to determine what is driving the high normal calcium. Are you on medications including calcium pills or tums (calcium carbonate)? The labs should be repeated. I am assuming your vitamin d25 is low that is not unexpected where we live. Talk to your MD. ...Read more

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Hyperparathyroidism with low vit. D and slightly elevated potassium . What does this mean to you? Could high potassium cause headaches? Dizziness?

Hyperparathyroidism with low vit. D and slightly elevated potassium . What does this mean to you? Could high potassium cause headaches? Dizziness?

Hyperparathyroidism: It means you do have Hyperparathyroidism and since you are less than 50 years old,you are a candidate for Parathyroid surgery to cure it.You need vit d supplemet depending on your level.High Pottasium level has been described with Hyperparathyroidism and may cause headace ...Read more

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Would there be any scenario where low vitamin d causes your blood calcium levels to rise?

Yes: Hypervitaminosis d is rare but potentially serious condition that occurs when you take in too much vitamin d. Excess amounts of vitamin d can cause abnormally high levels of calcium in the blood, which can affect bones, tissues, and other organs. Left untreated, this condition can lead to high blood pressure, bone loss, and kidney damage. ...Read more

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What can cause low vit. D levels? Thyroid is fine.

Inadequate intake: The most likely cause is inadequate intake with inadequate skin absorption coming in second. Take enough under doctors directions to get your blood level of 25-oh vitamin d above 50. ...Read more

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Can a vit d deficiency cause muscle twitches if your calcium level is normal?

Can a vit d deficiency cause muscle twitches if your calcium level is normal?

Vit D: 24 F from US asks if Vid D def can cause muscle twitches if your calcium level is normal. Many things control the relationship between muscle twitches and Ca. For example the pH of your blood. Recommend you Google this for more details. Google blood calcium and muscle action. ...Read more

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Other than hyperparathyroidism, what else could cause elevated serum calcium levels, pth and low vitamin d?

Other than hyperparathyroidism, what else could cause elevated serum calcium levels, pth and low vitamin d?

Hypercalcemia: A full answer is beyond the space limitations imposed in this space. A full discussion of the causes of high serum calcium levels can be found at this link: http://www.Mayoclinic.Com/health/hypercalcemia/ds00976/dsection=causes this will give you the answers you are looking for. ...Read more

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What does it mean to have low alk phos levels and ALT levels globulin low and could there be something underlying?

What does it mean to have low alk phos levels and ALT levels globulin low and could there be something underlying?

Not concerning. : There is generally no significance to low levels of ast or alkaline phosphatase. In a healthy pt it is very unlikely that low globulin is of any concern. ...Read more

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If one has low calcium level in blood , does this mean they will also have low vid d levels or the first problems is caused due to low vit d?

If one has low calcium level in blood , does this mean  they will also have low vid d levels or the first problems is caused due to low vit d?

Look for cause: Calcium levels in the blood drop only late in vitamin d deficiency -- a majority of your neighbors are likely deficient yet low calcium is rare. Most often, it's due to relatively low Albumin (which binds calcium) and the effective / ionized calcium remains normal. Hypocalcemia that's symptomatic is impressive clinically -- you'll feel it. Hope a cause can be found if it's truly low. ...Read more

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Is it possible to have anemia without having abnormal cbc? Also can low vitamin d cause it?

Is it possible to have anemia without having abnormal cbc?
Also can low vitamin d cause it?

Not possible: Anemia is diagnosed by low blood hemoglobin or hematocrit on cbc. Can be due to low red blood cell count or low serum iron. Low vitamin d can be corrected by taking vitamin d 1000 u tablets & or fish liver oils capsules. ...Read more

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What causes low serum phosphate other than parathyroidism? PTH & calcium are constantly normal. Normal D vitamin because of high dose supplements.

What causes low serum phosphate other than parathyroidism? PTH & calcium are constantly normal. Normal D vitamin because of high dose supplements.

Low phos: Phos metabolism is intake /shift/ losses. I am assuming you have good intake. So the other two are the reason, either shift inside the cells or losses from the kidney. How low is the phos? Your medication list shows no meds that can cause losses. A lab doesn't need to be treated, so rpt lab and then get a urine fractional excretion if still low. Talk to your MD. ...Read more

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Might it be that a low vitamin d level be helped with vitamin d pills ?

Might it be that a low vitamin d level be helped with vitamin d pills ?

Of course!: The best thing to take for low vit. D is vit. D but it's important to take the d3 form as the d2 form is dangerous! most adults need 5-8, 000 iu/day to attain optimal levels, but in spring & summer you can also get it by spending time in the mid-day sun without sunscreen. If you don't get much sun then take d3 year-round.It's best to take 5-10, 000 iu of vit a & 1mg of vit k too-they work as a team. ...Read more

Dr. Linda DiMeglio
1,053 doctors shared insights

Calcitriol (Definition)

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