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Doctor insights on: Can Too Much Vitamin D Make You Tired

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Chronic fatigue, tiredness, general "out of it" feeling, back/flank pain, GERD, IBS, migraine headaches, palpitations, waking from sleep with racing heart, low vitamin d levels, ferritin level of 14, TSH fluctuations; what could this be?

Chronic fatigue, tiredness, general "out of it" feeling, back/flank pain, GERD, IBS, migraine headaches, palpitations, waking from sleep with racing heart, low vitamin d levels, ferritin level of 14, TSH fluctuations; what could this be?

Multiple issues that: You seem to be addressing w/doctors. Stay in touch w/them. Also, consider a Micronutrient panel to see the nutritional status of your body. Spectracell lab in Texas has an excellent one. Check out their website. Peace and good health.

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Dr. Randy Baker
1,854 Doctors shared insights

Vitamin D (Definition)

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


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20 y/o Female having frequent fainting spells, excessive tiredness, and history of Vitamin D deficiency and six past concussions.

20 y/o Female having frequent fainting spells, excessive tiredness, and history of Vitamin D deficiency and six past concussions.

U need 2 C a neurol-: -ogist soon. Post concussion syndrome can B a cause. My advice NO MORE CONTACT SPORTS OF ANY KIND! Get in 2 C the neurologist.

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Why do vitamin d pills make me extremely tired?

Why do vitamin d pills make me extremely tired?

Vitamin D deficiency: Correction of Low Vitamin D Improves Fatigue, a more alert feeling of a fatigue may just be transient, follow up with your PCP is essential to optimize your treatment

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Could it be that vitamin d tablets is making me tired?

Not likely: Your need for vitamin d, if you have a deficiency, may be indicative of an underlying illness. Low vitamin d needs proper follow-up by a physician.

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Will being low on vitamin d make me Feel tired all the time?

Will being low on vitamin d make me Feel tired all the time?

It can cause: Some fatigue, but there are many, many more common causes. Check w/your doctor. Luckily, vitamin D deficiency is easy to correct with a cheap daily vitamin d supplement capsule.

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Can you explain if it's possible that vitamin d tablets is making me tired?

Can you explain if it's possible that vitamin d tablets is making me tired?

No.: No, vitamin D doesn't cause fatigue. If you are taking calcitriol (the active metabolite of vitamin D) for some reason, it can cause high blood calcium, which can cause fatigue. I don't know your circumstances. Feeling tired is probably the most nonspecific symptom in all of medicine.

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If you have low vitamin d, will it make you tired all of the time? I can sleep 10 hours and wake up still tired.

If you have low vitamin d, will it make you tired all of the time? I can sleep 10 hours and wake up still tired.

No: But there are a number of sleep disorders, psychiatric disorders and physical disorders that can cause this. Start with your personal doctor and take it from there. I wish you wakefulness and alertness.

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Been taking. 50000 iu vitamin d for 3 months. Lately feel very tired stopped oct vitamin d. Should I go to ER bc I also feel "off" mentally?

Been taking. 50000 iu vitamin d for 3 months. Lately feel very tired stopped oct vitamin d. Should I go to ER bc I also feel "off" mentally?

DON"T GO TO: The er for such a minimal complaint. It's a waste of money and health resources. Talk w/your doctor. That's what they're for. Your symptoms are not due to the vitamin d, although I don't know your dose since I don't know how often you were taking it.

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They think I might have sjorghens disease, is that bad? And I'm vitamin d deficient, I'm alway tired could that black of vitamin d or the sjorghens disease?

Dry eyes dry mouth: Your eyes may burn, itch or feel gritty — as if there's sand in them. Your mouth may feel like it's full of cotton, making it difficult to swallow or speak. Some people with sjogren's syndrome also experience one or more of the following: joint pain, swelling and stiffness swollen salivary glands. Your ears skin rashes or dry skin vaginal dryness persistent dry cough prolonged fatigue.

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I feel lethargic, tired. Is this vitamin d deficiency symptom?

I feel lethargic, tired. Is this vitamin d deficiency symptom?

Fatigue: Can be from many causes including, malnourishment, vit d deficiency, anemia, sleep disruption under active thyroid. You should be evalauted.

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I have no energy, feeling tired. Low vitamin d could be the reason. I am healthy.

I have no energy, feeling tired. Low vitamin d could be the reason. I am healthy.

See a good doctor: If you were healthy you wouldn't be so tired! Low vit d can cause fatigue but there are many other possible causes including anemia, thyroid & other hormonal imbalances, vitamin/mineral/amino acid deficiencies, chronic infections (viral, bacterial, fungal, parasitic), environmental or food allergies, environmental toxins, sleep apnea, stress etc. If taking d doesn't solve this please see a good doc!

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My Vitamin D level was 21 (normal 32 - 100). Could that level cause bad bouts of fatigue or other symptoms?

My Vitamin D level was 21 (normal 32 - 100). Could that level cause bad bouts of fatigue or other symptoms?

Yes: Low Vitamin D has been linked to fatigue and you should be taking a supplement if you have level of 21. Try taking 600-800 Units of Vitamin D3 daily - especially during the winter months.

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My vitamin D has reached normal levels after 8 weeks of vitamin d supplements, but I still feel very tired. Why?

My vitamin D has reached normal levels after 8 weeks of vitamin d supplements, but I still feel very tired. Why?

Experts suggest a: vitamin D level between 50 & 80. There are many reasons for fatigue. Please see your doc. Also, Spectracell lab in TX has a good micronutrient test. Peace and good health.

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My vitamin D level is 33 on blood test can this be causing me to tired, cold & cranky? Is 33 to low in winter months

My vitamin D level is 33 on blood test can this be causing me to tired, cold & cranky? Is 33 to low in winter months

Normal: You vitamin D level is exactly where it should be. Your tiredness may be a symptom of seasonal affective disorder. Get exposure to sunlight and exercise. You may consider getting a lamp that simulates sunlight.

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My rheumatologist started me on 2, 000 IU of Vit D for low Vitamin D level of 20. Could this help me not feel so tired and When should it be retested?

May help: Vitamin D may help, though it is unlikely to be the only cause of your tiredness. You may keep taking 2000 units daily for ever to keep your vitamin D at an adequate level. There is no need to retest. Counter-intuitive as it sounds, exercising may help with tiredness. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex.

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What to do about fatigue, high b12, low vitamin d, low sodium?

What to do about fatigue, high b12, low vitamin d, low sodium?

Supplements: Low Vit D can cause fatigue. Adequate sodium is necessary for your body to work properly. As is iodine (added to table salt, to maintain thyroid health). May need supplements to correct, follow up with a knowledgeable Dr for re-eval.

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Dr. Linda DiMeglio
1,051 Doctors shared insights

Calcitriol (Definition)

Calcitriol is a metabolic agent which is a kind of ...Read more