Vitamin d and Blood 1,25-dihydroxycholecalciferol decreased - a phase IV clinical study of FDA data


Blood 1,25-dihydroxycholecalciferol decreased is reported only by a few people who take Vitamin D.

The phase IV clinical study analyzes which people take Vitamin d and have Blood 1,25-dihydroxycholecalciferol decreased. It is created by eHealthMe based on reports of 224,762 people who have side effects while taking Vitamin d from the FDA, and is updated regularly.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Aug, 16, 2022

224,762 people reported to have side effects when taking Vitamin d.
Among them, 2 people (0.0%) have Blood 1,25-dihydroxycholecalciferol decreased.

What is Vitamin d?

Vitamin d has active ingredients of ergocalciferol. It is often used in low vitamin d. eHealthMe is studying from 204,350 Vitamin d users for its effectiveness, alternative drugs and more.

What is Blood 1,25-dihydroxycholecalciferol decreased?

Blood 1,25-dihydroxycholecalciferol decreased is found to be associated with 86 drugs and 50 conditions by eHealthMe.

Number of Vitamin d and Blood 1,25-dihydroxycholecalciferol decreased reports submitted per year:

Could Vitamin d cause Blood 1,25-dihydroxycholecalciferol decreased?

Gender of people who have Blood 1,25-dihydroxycholecalciferol decreased when taking Vitamin d *:

  • female: 0.0 %
  • male: 100 %

Age of people who have Blood 1,25-dihydroxycholecalciferol decreased when taking Vitamin d *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 50 %
  • 60+: 50 %

Common drugs people take besides Vitamin d *:

  1. Zofran: 1 person, 50.00%
  2. Zantac: 1 person, 50.00%
  3. Norco: 1 person, 50.00%
  4. Lovenox: 1 person, 50.00%
  5. Humira: 1 person, 50.00%
  6. Calcium: 1 person, 50.00%
  7. Adderall: 1 person, 50.00%

Common side effects people have besides Blood 1,25-dihydroxycholecalciferol decreased *:

  1. Abdominal Pain: 2 people, 100.00%
  2. Weight Decreased: 1 person, 50.00%
  3. Feeling Abnormal: 1 person, 50.00%
  4. Dehydration (dryness resulting from the removal of water): 1 person, 50.00%
  5. Depression: 1 person, 50.00%
  6. Drug Ineffective: 1 person, 50.00%
  7. Dry Skin: 1 person, 50.00%
  8. Enterocutaneous Fistula: 1 person, 50.00%
  9. Fatigue (feeling of tiredness): 1 person, 50.00%
  10. Fistula (an abnormal connection or passageway between two): 1 person, 50.00%

Common conditions people have *:

  1. Osteopenia (a condition where bone mineral density is lower than normal): 1 person, 50.00%
  2. Indigestion: 1 person, 50.00%
  3. Gastrointestinal Pain: 1 person, 50.00%
  4. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 50.00%
  5. Enlarged Prostate: 1 person, 50.00%
  6. Empty Sella Syndrome (pituitary gland shrinks or becomes flattened): 1 person, 50.00%
  7. Deep Venous Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis): 1 person, 50.00%
  8. Crohn's Disease (condition that causes inflammation of the gastrointestinal tract): 1 person, 50.00%
  9. Attention Deficit Hyperactivity Disorder (a chronic condition including attention difficulty, hyperactivity, and impulsiveness): 1 person, 50.00%

* Approximation only. Some reports may have incomplete information.

Do you take Vitamin d and have Blood 1,25-dihydroxycholecalciferol decreased?

Check whether Blood 1,25-dihydroxycholecalciferol decreased is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related publications that referenced our studies

Related studies

How severe was Blood 1,25-dihydroxycholecalciferol decreased and when was it recovered:

Expand to all the drugs that have ingredients of ergocalciferol:

Alternative drugs to, pros and cons of Vitamin d:

Common Vitamin d side effects:

Browse all side effects of Vitamin d:

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Blood 1,25-dihydroxycholecalciferol decreased treatments and more:

COVID vaccines that are related to Blood 1,25-dihydroxycholecalciferol decreased:

All the drugs that are associated with Blood 1,25-dihydroxycholecalciferol decreased:

All the conditions that are associated with Blood 1,25-dihydroxycholecalciferol decreased:

How the study uses the data?

The study uses data from the FDA. It is based on ergocalciferol (the active ingredients of Vitamin d) and Vitamin d (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

Who is eHealthMe?

With medical big data and proven AI algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 600+ medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).


WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.

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