Paracetamol and International normalised ratio abnormal - a phase IV clinical study of FDA data

Summary:

International normalised ratio abnormal is reported as a side effect among people who take Paracetamol (acetaminophen), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Senna, and have High blood cholesterol.

The phase IV clinical study analyzes which people have International normalised ratio abnormal when taking Paracetamol. It is created by eHealthMe based on reports of 114,713 people who have side effects when taking Paracetamol from the FDA, and is updated regularly.

What is Paracetamol?

Paracetamol has active ingredients of acetaminophen. It is often used in pain. eHealthMe is studying from 115,650 Paracetamol users. Check the latest studies of Paracetamol.

What is International normalised ratio abnormal?

International normalised ratio abnormal is found to be associated with 329 drugs and 472 conditions by eHealthMe. Check the latest studies of International normalised ratio abnormal.

On Jul, 14, 2026

114,713 people reported to have side effects when taking Paracetamol.
Among them, 41 people (0.04%) have International normalised ratio abnormal.

Could Paracetamol cause International normalised ratio abnormal?

Among these 41 people:

How long have people been on Paracetamol when they have International normalised ratio abnormal? *

What is the gender of people who have International normalised ratio abnormal when taking Paracetamol? *

female: 41.18 %
male: 58.82 %

What is the age of people who have International normalised ratio abnormal when taking Paracetamol? *

What are other drugs people take besides Paracetamol? *

What are other side effects people have besides International normalised ratio abnormal? *

Stress And Anxiety: 10 people, 24.39%
Ischaemic Stroke (stroke; caused by an interruption in the flow of blood to the brain): 5 people, 12.20%
Nausea And Vomiting: 5 people, 12.20%
Nausea (feeling of having an urge to vomit): 4 people, 9.76%
Liver Function Test Abnormal: 4 people, 9.76%
Drug Ineffective: 3 people, 7.32%
Dizziness: 3 people, 7.32%
Abdominal Pain Upper: 3 people, 7.32%
Activated Partial Thromboplastin Time Abnormal: 3 people, 7.32%
Blood Creatinine Increased: 2 people, 4.88%

What are the existing conditions these people have? *

Heart Rate Irregular: 8 people, 19.51%
High Blood Cholesterol: 8 people, 19.51%
Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 7 people, 17.07%
Candiduria (candida in urine): 5 people, 12.20%
Diabetes: 2 people, 4.88%
Neuralgia (pain in one or more nerves): 2 people, 4.88%
Infection: 2 people, 4.88%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 2 people, 4.88%
Tongue Disorder (disease of tongue): 1 person, 2.44%
Hiatal Hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm): 1 person, 2.44%

* Approximation only. Some reports may have incomplete information.

Do you take Paracetamol and have International normalised ratio abnormal?

- Check whether International normalised ratio abnormal is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
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Related studies:

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

Paracetamol (115,650 reports)

International normalised ratio abnormal treatments and more:

International normalised ratio abnormal (4,071 reports)

How severe was International normalised ratio abnormal and when was it recovered:

International normalised ratio abnormal in Paracetamol

Expand to all the drugs that have ingredients of acetaminophen:

International normalised ratio abnormal and drugs with 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 Paracetamol:

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 International normalised ratio abnormal:

International normalised ratio abnormal (329 drugs)

Browse all the conditions that are associated with International normalised ratio abnormal:

International normalised ratio abnormal (472 conditions)

How the study uses the data?

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