Codeine and Retinopathy hyperviscosity - a phase IV clinical study of FDA data

Summary:

We study 42,345 people who take Codeine (codeine sulfate) or have Retinopathy hyperviscosity. No report of Retinopathy hyperviscosity is found in people who take Codeine.

The phase IV clinical study is created by eHealthMe based on reports from the FDA, and is updated regularly.

What is Codeine?

Codeine has active ingredients of codeine sulfate. It is often used in pain. eHealthMe is studying from 42,341 Codeine users. Check the latest studies of Codeine.

What is Retinopathy Hyperviscosity?

Retinopathy hyperviscosity (increase in the viscosity of the blood damages retina) is found to be associated with 1 drug by eHealthMe. Check the latest studies of Retinopathy hyperviscosity.

On Jan, 16, 2026

No report is found.

Do you take Codeine and have Retinopathy hyperviscosity?

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Related studies:

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

Codeine (42,341 reports)

Browse all side effects of Codeine:

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Browse all the drugs that are associated with Retinopathy hyperviscosity:

Retinopathy hyperviscosity

Browse all the conditions that are associated with Retinopathy hyperviscosity:

Retinopathy hyperviscosity

Drugs similar to Codeine and Retinopathy hyperviscosity :

How the study uses the data?

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