Quinine sulfate and Memory loss - a phase IV clinical study of FDA data

Summary:

Memory loss is reported as a side effect among people who take Quinine sulfate (quinine sulfate), especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months also take Furosemide, and have Muscle spasms.

The phase IV clinical study analyzes which people have Memory loss when taking Quinine sulfate. It is created by eHealthMe based on reports of 5,052 people who have side effects when taking Quinine sulfate from the FDA, and is updated regularly.

What is Quinine sulfate?

Quinine sulfate has active ingredients of quinine sulfate. It is often used in leg pain. eHealthMe is studying from 5,078 Quinine sulfate users. Check the latest studies of Quinine sulfate.

What is Memory loss?

Memory loss is found to be associated with 2,728 drugs and 4,377 conditions by eHealthMe. Check the latest studies of Memory loss.

On May, 11, 2026

5,052 people reported to have side effects when taking Quinine sulfate.
Among them, 74 people (1.46%) have Memory loss.

Could Quinine sulfate cause Memory loss?

Among these 74 people:

How long have people been on Quinine sulfate when they have Memory loss? *

What is the gender of people who have Memory loss when taking Quinine sulfate? *

female: 66.67 %
male: 33.33 %

What is the age of people who have Memory loss when taking Quinine sulfate? *

What are other drugs people take besides Quinine sulfate? *

What are other side effects people have besides Memory loss? *

Stress And Anxiety: 30 people, 40.54%
Confusional State: 29 people, 39.19%
Pain: 28 people, 37.84%
Fatigue (feeling of tiredness): 27 people, 36.49%
Dizziness: 26 people, 35.14%
Headache (pain in head): 24 people, 32.43%
Weakness: 23 people, 31.08%
High Blood Pressure: 22 people, 29.73%
Back Pain: 22 people, 29.73%
Nausea (feeling of having an urge to vomit): 20 people, 27.03%

What are the existing conditions these people have? *

Muscle Spasms (muscle contraction): 18 people, 24.32%
Nausea (feeling of having an urge to vomit): 13 people, 17.57%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 13 people, 17.57%
Depression: 12 people, 16.22%
Sleep Disorder: 11 people, 14.86%
Hypercalcaemia (elevated calcium (ca+) level in the blood): 10 people, 13.51%
Pain: 5 people, 6.76%
Osteoporosis (bones weak and more likely to break): 5 people, 6.76%
Thyroid Diseases: 4 people, 5.41%
Fibromyalgia (a long-term condition which causes pain all over the body): 4 people, 5.41%

* Approximation only. Some reports may have incomplete information.

Do you take Quinine sulfate and have Memory loss?

- Check whether Memory loss is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Quinine sulfate:

Quinine sulfate (5,078 reports)

Memory loss treatments and more:

Memory loss (244,444 reports)

Browse all side effects of Quinine sulfate:

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 Memory loss:

Memory loss (2,728 drugs)

Browse all the conditions that are associated with Memory loss:

Memory loss (4,377 conditions)

How the study uses the data?

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