Tylenol and Hypoparathyroidism - a phase IV clinical study of FDA data

Summary:

Hypoparathyroidism is reported as a side effect among people who take Tylenol (acetaminophen), especially for people who are male, 60+ old, also take Zocor, and have High blood cholesterol.

The phase IV clinical study analyzes which people have Hypoparathyroidism when taking Tylenol. It is created by eHealthMe based on reports of 217,809 people who have side effects when taking Tylenol from the FDA, and is updated regularly.

What is Tylenol?

Tylenol has active ingredients of acetaminophen. It is often used in pain. eHealthMe is studying from 222,310 Tylenol users. Check the latest studies of Tylenol.

What is Hypoparathyroidism?

Hypoparathyroidism (inadequate secretion of parathyroid hormone resulting in abnormally low levels of calcium in the blood) is found to be associated with 91 drugs and 213 conditions by eHealthMe. Check the latest studies of Hypoparathyroidism.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.



On Aug, 21, 2026

217,809 people reported to have side effects when taking Tylenol.
Among them, 11 people (0.01%) have Hypoparathyroidism.

Could Tylenol cause Hypoparathyroidism?

Among these 11 people:

What is the gender of people who have Hypoparathyroidism when taking Tylenol? *

  • female: 30 %
  • male: 70 %

What is the age of people who have Hypoparathyroidism when taking Tylenol? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 10 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 90 %

What are other drugs people take besides Tylenol? *

  1. Zocor: 8 people, 72.73%
  2. Vioxx: 5 people, 45.45%
  3. Pravachol: 5 people, 45.45%
  4. Lasix: 3 people, 27.27%
  5. Prozac: 3 people, 27.27%
  6. Aspirin: 3 people, 27.27%
  7. Lipitor: 3 people, 27.27%
  8. Coreg: 3 people, 27.27%
  9. Coumadin: 3 people, 27.27%
  10. Toprol-Xl: 3 people, 27.27%

What are other side effects people have besides Hypoparathyroidism? *

  1. Stress And Anxiety: 8 people, 72.73%
  2. Heart Attack: 5 people, 45.45%
  3. Acute Coronary Syndrome (acute chest pain and other symptoms that happen because the heart does not get blood): 5 people, 45.45%
  4. Iron Deficiency Anaemia: 5 people, 45.45%
  5. Gastrointestinal Haemorrhage (bleeding gastrointestinal tract): 5 people, 45.45%
  6. Upper Respiratory Tract Infection: 5 people, 45.45%
  7. Gastritis (inflammation of stomach): 5 people, 45.45%
  8. Thyroid Cancer Metastatic (thyroid cancer spreads to other part): 5 people, 45.45%
  9. Colon Cancer Stage Iii: 5 people, 45.45%
  10. Lung Neoplasm (tumour of lung): 5 people, 45.45%

What are the existing conditions these people have? *

  1. High Blood Cholesterol: 5 people, 45.45%
  2. Hyperparathyroidism Secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary): 2 people, 18.18%
  3. Nausea (feeling of having an urge to vomit): 1 person, 9.09%
  4. Multiple Myeloma (cancer of the plasma cells): 1 person, 9.09%
  5. Irritability: 1 person, 9.09%
  6. Erection Problems: 1 person, 9.09%
  7. Diarrhea: 1 person, 9.09%
  8. Chronic Renal Failure (kidney failure): 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Tylenol and have Hypoparathyroidism?

- Check whether Hypoparathyroidism is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously



Related studies:

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

Hypoparathyroidism treatments and more:

How severe was Hypoparathyroidism and when was it recovered:

Expand to all the drugs that have ingredients of acetaminophen:

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 Tylenol:

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 Hypoparathyroidism:

Browse all the conditions that are associated with Hypoparathyroidism:


How the study uses the data?

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