Cyanocobalamin and Systolic dysfunction - a phase IV clinical study of FDA data

Summary:

Systolic dysfunction is reported as a side effect among people who take Cyanocobalamin (cyanocobalamin), especially for people who are male, 30-39 old, also take Tylenol, and have Asthma.

The phase IV clinical study analyzes which people have Systolic dysfunction when taking Cyanocobalamin. It is created by eHealthMe based on reports of 14,464 people who have side effects when taking Cyanocobalamin from the FDA, and is updated regularly.

What is Cyanocobalamin?

Cyanocobalamin has active ingredients of cyanocobalamin. It is often used in vitamin b12 deficiency. eHealthMe is studying from 14,651 Cyanocobalamin users. Check the latest studies of Cyanocobalamin.

What is Systolic dysfunction?

Systolic dysfunction (impaired ventricular contraction) is found to be associated with 197 drugs and 220 conditions by eHealthMe. Check the latest studies of Systolic dysfunction.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Sep, 02, 2026

14,464 people reported to have side effects when taking Cyanocobalamin.
Among them, 25 people (0.17%) have Systolic dysfunction.

Could Cyanocobalamin cause Systolic dysfunction?

Among these 25 people:

What is the gender of people who have Systolic dysfunction when taking Cyanocobalamin? *

female: 0.0 %
male: 100 %

What is the age of people who have Systolic dysfunction when taking Cyanocobalamin? *

What are other drugs people take besides Cyanocobalamin? *

What are other side effects people have besides Systolic dysfunction? *

Wheezing (a high-pitched whistling sound made while you breath): 22 people, 88.00%
Blood Test Abnormal: 22 people, 88.00%
Colitis (inflammation of colon): 22 people, 88.00%
Cough: 22 people, 88.00%
Dyspnea (difficult or laboured breathing): 22 people, 88.00%
Dyspnea Exertional: 22 people, 88.00%
Eosinophilia (eosinophil count in the peripheral blood exceeds): 22 people, 88.00%
Asthma: 22 people, 88.00%
Gastrointestinal Disorder (functional problems of gastrointestinal tract): 22 people, 88.00%
Headache (pain in head): 22 people, 88.00%

What are the existing conditions these people have? *

Vasculitis (inflammation of a blood vessel or blood vessels): 22 people, 88.00%
Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 22 people, 88.00%
Asthma: 22 people, 88.00%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 3 people, 12.00%
Drowsiness: 3 people, 12.00%
Seasonal Allergy (allergic condition due to certain season): 2 people, 8.00%
Rhinitis Perennial (an inflammatory condition of the nose characterized by nasal obstruction, sneezing, itching): 1 person, 4.00%
Allergic Rhinitis: 1 person, 4.00%

* Approximation only. Some reports may have incomplete information.

Do you take Cyanocobalamin and have Systolic dysfunction?

- Check whether Systolic dysfunction 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 Cyanocobalamin:

Cyanocobalamin (14,651 reports)

Browse all side effects of Cyanocobalamin:

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 Systolic dysfunction:

Systolic dysfunction (197 drugs)

Browse all the conditions that are associated with Systolic dysfunction:

Systolic dysfunction (220 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on cyanocobalamin (the active ingredients of Cyanocobalamin) and Cyanocobalamin (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.