Quinine and Urinary retention - a phase IV clinical study of FDA data

Summary:

Urinary retention is reported as a side effect among people who take Quinine (cinchona), especially for people who are female, 60+ old, also take Gliclazide, and have Diabetes.

The phase IV clinical study analyzes which people have Urinary retention 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 Urinary retention?

Urinary retention (the inability to completely or partially empty the bladder) is found to be associated with 1,569 drugs and 1,737 conditions by eHealthMe. Check the latest studies of Urinary retention.

On Jul, 17, 2026

4,887 people reported to have side effects when taking Quinine.
Among them, 18 people (0.37%) have Urinary retention.

Among these 18 people:

What is the gender of people who have Urinary retention when taking Quinine? *

female: 53.33 %
male: 46.67 %

What is the age of people who have Urinary retention when taking Quinine? *

What are other drugs people take besides Quinine? *

What are other side effects people have besides Urinary retention? *

Urination - Painful: 10 people, 55.56%
Nausea (feeling of having an urge to vomit): 10 people, 55.56%
Nausea And Vomiting: 10 people, 55.56%
Abdominal Pain: 9 people, 50.00%
Protein Total Increased: 9 people, 50.00%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 9 people, 50.00%
Acute Upper Airway Obstruction (blockage occurs in the upper airway): 9 people, 50.00%
Liver Function Test Abnormal: 9 people, 50.00%
Musculoskeletal Chest Pain (pain in chest muscle or nerve or bones): 9 people, 50.00%
Nightmares (unpleasant dreams): 9 people, 50.00%

What are the existing conditions these people have? *

Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 8 people, 44.44%
Diabetes: 8 people, 44.44%
Urinary Incontinence (inability to control the flow of urine and involuntary urination): 6 people, 33.33%
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): 2 people, 11.11%
Iron Deficiency Anaemia: 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Quinine and have Urinary retention?

- Check whether Urinary retention 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 Urinary retention:

Urinary retention (1,569 drugs)

Browse all the conditions that are associated with Urinary retention:

Urinary retention (1,737 conditions)

Related publications that referenced our studies

Schattner A, Al-Bewerat A, "Levetiracetam (Keppra), urinary retention and literature search", A fatty cause of renal failure; what is your diagnosis?, 2016 Oct .
Schattner A, Al-Bewerat A, "Levetiracetam (Keppra), urinary retention and literature search", A fatty cause of renal failure; what is your diagnosis?, 2016 Oct .

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.