Codeine and Blepharospasm - a phase IV clinical study of FDA data

Summary:

Blepharospasm is reported as a side effect among people who take Codeine (codeine sulfate), especially for people who are female, 40-49 old, also take Humira, and have Rheumatoid arthritis.

The phase IV clinical study analyzes which people have Blepharospasm 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 42,342 Codeine users. Check the latest studies of Codeine.

What is Blepharospasm?

Blepharospasm (any abnormal contraction or twitch of the eyelid) is found to be associated with 1,177 drugs and 949 conditions by eHealthMe. Check the latest studies of Blepharospasm.

On Jun, 17, 2026

41,713 people reported to have side effects when taking Codeine.
Among them, 72 people (0.17%) have Blepharospasm.

Among these 72 people:

What is the gender of people who have Blepharospasm when taking Codeine? *

female: 90.16 %
male: 9.84 %

What is the age of people who have Blepharospasm when taking Codeine? *

What are other drugs people take besides Codeine? *

What are other side effects people have besides Blepharospasm? *

Memory Loss: 58 people, 80.56%
Hypoaesthesia (reduced sense of touch or sensation): 51 people, 70.83%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 51 people, 70.83%
Drug Ineffective: 51 people, 70.83%
Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 51 people, 70.83%
Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 50 people, 69.44%
Malaise (a feeling of general discomfort or uneasiness): 49 people, 68.06%
Migraine (headache): 49 people, 68.06%
Rheumatic Fever (an inflammatory disease that occurs following a streptococcus pyogenes infection): 47 people, 65.28%
Rheumatoid Factor Positive: 46 people, 63.89%

What are the existing conditions these people have? *

Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 52 people, 72.22%
Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 49 people, 68.06%
Psoriasis (immune-mediated disease that affects the skin): 33 people, 45.83%
Fibromyalgia (a long-term condition which causes pain all over the body): 10 people, 13.89%
Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 9 people, 12.50%
Stress And Anxiety: 9 people, 12.50%
Indigestion: 8 people, 11.11%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 7 people, 9.72%
Migraine (headache): 7 people, 9.72%
Headache (pain in head): 6 people, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Codeine and have Blepharospasm?

- Check whether Blepharospasm 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 (42,342 reports)

Blepharospasm treatments and more:

Blepharospasm (7,214 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

Browse all the drugs that are associated with Blepharospasm:

Blepharospasm (1,177 drugs)

Browse all the conditions that are associated with Blepharospasm:

Blepharospasm (949 conditions)

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.