Quinine and Nausea and vomiting - a phase IV clinical study of FDA data

Summary:

Nausea and vomiting is reported as a side effect among people who take Quinine (cinchona), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Metformin, and have Muscle spasms.

The phase IV clinical study analyzes which people have Nausea and vomiting 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 Nausea and vomiting?

Nausea and vomiting is found to be associated with 3,711 drugs and 5,746 conditions by eHealthMe. Check the latest studies of Nausea and vomiting.

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, 29, 2026

4,887 people reported to have side effects when taking Quinine.
Among them, 178 people (3.64%) have Nausea and vomiting.

Could Quinine cause Nausea and vomiting?

Among these 178 people:

How long have people been on Quinine when they have Nausea and vomiting? *

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What is the gender of people who have Nausea and vomiting when taking Quinine? *

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* Approximation only. Some reports may have incomplete information.

Do you take Quinine and have Nausea and vomiting?

- Check whether Nausea and vomiting 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)

Nausea and vomiting treatments and more:

Nausea and vomiting (529,395 reports)

How severe was Nausea and vomiting and when was it recovered:

Nausea and vomiting in Quinine

Expand to all the drugs that have ingredients of cinchona:

Nausea and vomiting and drugs with ingredients of cinchona (178 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 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 Nausea and vomiting:

Nausea and vomiting (3,711 drugs)

Browse all the conditions that are associated with Nausea and vomiting:

Nausea and vomiting (5,746 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.