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

Summary:

Cva is reported as a side effect among people who take Tylenol (acetaminophen), especially for people who are female, 60+ old, have been taking the drug for 5 - 10 years also take Vioxx, and have Rheumatoid arthritis.

The phase IV clinical study analyzes which people have Cva 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 222,294 Tylenol users. Check the latest studies of Tylenol.

What is Cva?

Cva is found to be associated with 3,277 drugs and 2,995 conditions by eHealthMe. Check the latest studies of Cva.



On Aug, 17, 2025

217,809 people reported to have side effects when taking Tylenol.
Among them, 3,191 people (1.47%) have Cva.

Could Tylenol cause Cva?

Among these 3,191 people:

How long have people been on Tylenol when they have Cva? *

  • < 1 month: 22.06 %
  • 1 - 6 months: 17.65 %
  • 6 - 12 months: 1.47 %
  • 1 - 2 years: 5.88 %
  • 2 - 5 years: 20.59 %
  • 5 - 10 years: 29.41 %
  • 10+ years: 2.94 %

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

  • female: 65.98 %
  • male: 34.02 %

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

  • 0-1: 0.08 %
  • 2-9: 0.19 %
  • 10-19: 0.38 %
  • 20-29: 2.33 %
  • 30-39: 4.92 %
  • 40-49: 10.04 %
  • 50-59: 20.86 %
  • 60+: 61.2 %

What are other drugs people take besides Tylenol? *

  1. Vioxx: 1,073 people, 33.63%
  2. Aspirin: 424 people, 13.29%
  3. Lipitor: 354 people, 11.09%
  4. Synthroid: 306 people, 9.59%
  5. Lasix: 287 people, 8.99%
  6. Plavix: 277 people, 8.68%
  7. Prednisone: 218 people, 6.83%
  8. Benadryl: 216 people, 6.77%
  9. Prilosec: 213 people, 6.68%
  10. Lisinopril: 209 people, 6.55%

What are other side effects people have besides Cva? *

  1. High Blood Pressure: 670 people, 21.00%
  2. Chest Pain: 493 people, 15.45%
  3. Stress And Anxiety: 478 people, 14.98%
  4. Depression: 440 people, 13.79%
  5. Weakness: 427 people, 13.38%
  6. Heart Attack: 426 people, 13.35%
  7. Fall: 417 people, 13.07%
  8. Fatigue (feeling of tiredness): 401 people, 12.57%
  9. Nausea (feeling of having an urge to vomit): 389 people, 12.19%
  10. Dyspnea (difficult or laboured breathing): 372 people, 11.66%

What are the existing conditions these people have? *

  1. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 320 people, 10.03%
  2. High Blood Pressure: 293 people, 9.18%
  3. Depression: 145 people, 4.54%
  4. Diabetes: 144 people, 4.51%
  5. High Blood Cholesterol: 144 people, 4.51%
  6. Multiple Myeloma (cancer of the plasma cells): 122 people, 3.82%
  7. Joint Pain: 119 people, 3.73%
  8. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 118 people, 3.70%
  9. Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 111 people, 3.48%
  10. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 96 people, 3.01%

* Approximation only. Some reports may have incomplete information.

Do you take Tylenol and have Cva?

- Check whether Cva 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:

Cva treatments and more:

  • Cva (334,630 reports)

How severe was Cva 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

Common drugs associated with Cva:

Browse all the drugs that are associated with Cva:

  • Cva (3,277 drugs)

Common conditions associated with Cva:

Browse all the conditions that are associated with Cva:

  • Cva (2,995 conditions)

Drugs similar to Tylenol and Cva :


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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