Quinine and Bleeding disorders - a phase IV clinical study of FDA data

Summary:

Bleeding disorders is reported as a side effect among people who take Quinine (cinchona), especially for people who are female, 60+ old, also take Arava, and have Muscle spasms.

The phase IV clinical study analyzes which people have Bleeding disorders when taking Quinine. It is created by eHealthMe based on reports of 4,887 people who have side effects when taking Quinine from the FDA, and is updated regularly.

What is Quinine?

Quinine has active ingredients of cinchona. It is often used in leg pain. eHealthMe is studying from 4,981 Quinine users. Check the latest studies of Quinine.

What is Bleeding disorders?

Bleeding disorders is found to be associated with 1,197 drugs and 1,648 conditions by eHealthMe. Check the latest studies of Bleeding disorders.

On Jul, 10, 2026

4,887 people reported to have side effects when taking Quinine.
Among them, 11 people (0.23%) have Bleeding disorders.

Among these 11 people:

What is the gender of people who have Bleeding disorders when taking Quinine? *

female: 72.73 %
male: 27.27 %

What is the age of people who have Bleeding disorders when taking Quinine? *

What are other drugs people take besides Quinine? *

What are other side effects people have besides Bleeding disorders? *

Acute Kidney Failure: 8 people, 72.73%
Hypovolaemia (a decreased volume of circulating blood in the body): 8 people, 72.73%
Hepatic Failure (liver failure): 7 people, 63.64%
Labile Blood Pressure (wildly fluctuating blood pressure): 7 people, 63.64%
Haematemesis (vomiting of blood): 7 people, 63.64%
Haemorrhage (bleeding): 7 people, 63.64%
Hepatic Ischaemia (liver does not get enough blood or oxygen, causing injury to liver cells): 7 people, 63.64%
Hepatocellular Injury (liver injury): 7 people, 63.64%
Hepatorenal Syndrome (renal failure in patients with advanced chronic liver disease): 7 people, 63.64%
Gastric Ulcer (stomach ulcer): 7 people, 63.64%

What are the existing conditions these people have? *

Muscle Spasms (muscle contraction): 8 people, 72.73%
Stable Angina (a constant chest pain): 7 people, 63.64%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 7 people, 63.64%
High Blood Pressure: 7 people, 63.64%
High Blood Cholesterol: 7 people, 63.64%
Asthma: 7 people, 63.64%
Anaesthesia: 7 people, 63.64%
Gastric Ulcer (stomach ulcer): 5 people, 45.45%
Hepatorenal Syndrome (renal failure in patients with advanced chronic liver disease): 3 people, 27.27%
Babesiosis (malaria-like parasitic disease caused by infection with babesia): 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Quinine and have Bleeding disorders?

- Check whether Bleeding disorders 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 Quinine:

Quinine (4,981 reports)

Browse all side effects of Quinine:

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 Bleeding disorders:

Bleeding disorders (1,197 drugs)

Browse all the conditions that are associated with Bleeding disorders:

Bleeding disorders (1,648 conditions)

How the study uses the data?

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