Ergocalciferol and Irritability - a phase IV clinical study of FDA data

Summary:

Irritability is reported as a side effect among people who take Ergocalciferol (ergocalciferol), especially for people who are female, 60+ old, have been taking the drug for 2 - 5 years also take Tylenol, and have Pain.

The phase IV clinical study analyzes which people have Irritability when taking Ergocalciferol. It is created by eHealthMe based on reports of 32,546 people who have side effects when taking Ergocalciferol from the FDA, and is updated regularly.

What is Ergocalciferol?

Ergocalciferol has active ingredients of ergocalciferol. It is often used in rickets. eHealthMe is studying from 32,652 Ergocalciferol users. Check the latest studies of Ergocalciferol.

What is Irritability?

Irritability is found to be associated with 1,700 drugs and 2,458 conditions by eHealthMe. Check the latest studies of Irritability.



On Jul, 20, 2026

32,546 people reported to have side effects when taking Ergocalciferol.
Among them, 78 people (0.24%) have Irritability.

Could Ergocalciferol cause Irritability?

Among these 78 people:

How long have people been on Ergocalciferol when they have Irritability? *

  • < 1 month: 25 %
  • 1 - 6 months: 25 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 50 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Irritability when taking Ergocalciferol? *

  • female: 66.22 %
  • male: 33.78 %

What is the age of people who have Irritability when taking Ergocalciferol? *

  • 0-1: 1.85 %
  • 2-9: 5.56 %
  • 10-19: 1.85 %
  • 20-29: 14.81 %
  • 30-39: 7.41 %
  • 40-49: 20.37 %
  • 50-59: 20.37 %
  • 60+: 27.78 %

What are other drugs people take besides Ergocalciferol? *

  1. Zyrtec: 9 people, 11.54%
  2. Acetaminophen: 9 people, 11.54%
  3. Tylenol: 9 people, 11.54%
  4. Omeprazole: 8 people, 10.26%
  5. Ibuprofen: 7 people, 8.97%
  6. Synthroid: 7 people, 8.97%
  7. Simvastatin: 7 people, 8.97%
  8. Klonopin: 7 people, 8.97%
  9. Lantus: 7 people, 8.97%
  10. Prilosec: 7 people, 8.97%

What are other side effects people have besides Irritability? *

  1. Stress And Anxiety: 27 people, 34.62%
  2. Insomnia (sleeplessness): 25 people, 32.05%
  3. Fatigue (feeling of tiredness): 21 people, 26.92%
  4. Weakness: 19 people, 24.36%
  5. Nausea (feeling of having an urge to vomit): 19 people, 24.36%
  6. Headache (pain in head): 16 people, 20.51%
  7. Memory Loss: 16 people, 20.51%
  8. Dizziness: 15 people, 19.23%
  9. Diarrhea: 15 people, 19.23%
  10. Weight Increased: 15 people, 19.23%

What are the existing conditions these people have? *

  1. Pain: 8 people, 10.26%
  2. Stress And Anxiety: 7 people, 8.97%
  3. Asthma: 6 people, 7.69%
  4. Back Pain: 6 people, 7.69%
  5. Migraine (headache): 6 people, 7.69%
  6. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 5 people, 6.41%
  7. Type 2 Diabetes: 5 people, 6.41%
  8. Autism Spectrum Disorder (developmental disabilities that can cause significant social, communication and behavioural challenges): 4 people, 5.13%
  9. Sleep Disorder: 4 people, 5.13%
  10. Short-Bowel Syndrome (a condition in which the body cannot absorb enough fluids and nutrients because part of the small intestine is missing): 4 people, 5.13%

* Approximation only. Some reports may have incomplete information.

Do you take Ergocalciferol and have Irritability?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Ergocalciferol:

Irritability treatments and more:

How severe was Irritability and when was it recovered:

Expand to all the drugs that have ingredients of ergocalciferol:

Sub-studies by gender and age:

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

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

Browse all side effects of Ergocalciferol:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Irritability:

Browse all the conditions that are associated with Irritability:

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on ergocalciferol (the active ingredients of Ergocalciferol) and Ergocalciferol (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.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML 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 800+ peer-reviewed 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, DISCLAIMER, USE FOR PUBLICATION

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 eHealthMe.com 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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