Heparin 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 Heparin (heparin sodium), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Coumadin, and have Atrial fibrillation/flutter.

The phase IV clinical study analyzes which people have International normalised ratio abnormal when taking Heparin. It is created by eHealthMe based on reports of 91,860 people who have side effects when taking Heparin from the FDA, and is updated regularly.

What is Heparin?

Heparin has active ingredients of heparin sodium. It is often used in blood clots. eHealthMe is studying from 92,141 Heparin users. Check the latest studies of Heparin.

What is International normalised ratio abnormal?

International normalised ratio abnormal is found to be associated with 327 drugs and 472 conditions by eHealthMe. Check the latest studies of International normalised ratio abnormal.

On Jul, 28, 2026

91,860 people reported to have side effects when taking Heparin.
Among them, 49 people (0.05%) have International normalised ratio abnormal.

Could Heparin cause International normalised ratio abnormal?

Among these 49 people:

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

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

female: 32.56 %
male: 67.44 %

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

What are other drugs people take besides Heparin? *

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

Haemoglobin Decreased: 8 people, 16.33%
Diarrhea: 7 people, 14.29%
Itching: 6 people, 12.24%
Pain In Extremity: 5 people, 10.20%
Cough: 5 people, 10.20%
Electrocardiogram Abnormal: 5 people, 10.20%
Hypoaesthesia (reduced sense of touch or sensation): 4 people, 8.16%
Oedema Peripheral (superficial swelling): 4 people, 8.16%
Nausea (feeling of having an urge to vomit): 4 people, 8.16%
Nasopharyngitis (inflammation of the nasopharynx): 4 people, 8.16%

What are the existing conditions these people have? *

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): 6 people, 12.24%
Pulmonary Hypertension (increase in blood pressure in the lung artery): 4 people, 8.16%
Thrombosis (formation of a blood clot inside a blood vessel): 3 people, 6.12%
Stable Angina (a constant chest pain): 2 people, 4.08%
Deep Venous Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis): 2 people, 4.08%
Pulmonary Embolism (blockage of the main artery of the lung): 1 person, 2.04%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 1 person, 2.04%
Neuropathy Peripheral (surface nerve damage): 1 person, 2.04%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 1 person, 2.04%
Myelodysplastic Syndrome (a group of conditions that occur when the blood-forming cells in the bone marrow are damaged): 1 person, 2.04%

* Approximation only. Some reports may have incomplete information.

Do you take Heparin and have International normalised ratio abnormal?

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Related studies:

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

Heparin (92,141 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 Heparin

Expand to all the drugs that have ingredients of heparin sodium:

International normalised ratio abnormal and drugs with ingredients of heparin sodium (49 reports)

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 Heparin:

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 (327 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 heparin sodium (the active ingredients of Heparin) and Heparin (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.