Codeine and Closed angle glaucoma - a phase IV clinical study of FDA data

Summary:

Closed angle glaucoma is reported as a side effect among people who take Codeine (codeine sulfate), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Humira, and have Rheumatoid arthritis.

The phase IV clinical study analyzes which people have Closed angle glaucoma when taking Codeine. It is created by eHealthMe based on reports of 41,713 people who have side effects when taking Codeine 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 Closed angle glaucoma?

Closed angle glaucoma (pressure inside your eye rises quickly) is found to be associated with 1,966 drugs and 1,663 conditions by eHealthMe. Check the latest studies of Closed angle glaucoma.

On Aug, 29, 2025

41,713 people reported to have side effects when taking Codeine.
Among them, 247 people (0.59%) have Closed angle glaucoma.

Could Codeine cause Closed angle glaucoma?

Among these 247 people:

How long have people been on Codeine when they have Closed angle glaucoma? *

What is the gender of people who have Closed angle glaucoma when taking Codeine? *

female: 91.63 %
male: 8.37 %

What is the age of people who have Closed angle glaucoma when taking Codeine? *

What are other drugs people take besides Codeine? *

What are other side effects people have besides Closed angle glaucoma? *

Cataract (clouding of the lens inside the eye): 212 people, 85.83%
High Blood Pressure: 208 people, 84.21%
Drug Ineffective: 206 people, 83.40%
Herpes Zoster: 196 people, 79.35%
Nasopharyngitis (inflammation of the nasopharynx): 190 people, 76.92%
Hernia (hernia happens when part of an internal organ or tissue bulges through a weak area of muscle): 176 people, 71.26%
Drug Intolerance (drug sensitivity): 174 people, 70.45%
Joint Pain: 138 people, 55.87%
Diarrhea: 135 people, 54.66%
Pain In Extremity: 127 people, 51.42%

What are the existing conditions these people have? *

Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 214 people, 86.64%
Diabetes: 111 people, 44.94%
High Blood Pressure: 72 people, 29.15%
High Blood Cholesterol: 69 people, 27.94%
Asthma: 6 people, 2.43%
Cough: 6 people, 2.43%
Gallstones (stone formation by bile component): 5 people, 2.02%
Haemoglobin Decreased: 5 people, 2.02%
Metastasis (spreadable cancer to other organ from origin): 5 people, 2.02%
Nausea (feeling of having an urge to vomit): 5 people, 2.02%

* Approximation only. Some reports may have incomplete information.

Do you take Codeine and have Closed angle glaucoma?

- Check whether Closed angle glaucoma 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 Codeine:

Codeine (42,341 reports)

Browse all side effects of Codeine:

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

Common drugs associated with Closed angle glaucoma:

Browse all the drugs that are associated with Closed angle glaucoma:

Closed angle glaucoma (1,966 drugs)

Common conditions associated with Closed angle glaucoma:

Browse all the conditions that are associated with Closed angle glaucoma:

Closed angle glaucoma (1,663 conditions)

Drugs similar to Codeine and Closed angle glaucoma :

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.