Cyanocobalamin and Ocular hyperaemia - a phase IV clinical study of FDA data

Summary:

Ocular hyperaemia is reported as a side effect among people who take Cyanocobalamin (cyanocobalamin), especially for people who are female, 60+ old, also take Vitamin D3, and have Rheumatoid arthritis.

The phase IV clinical study analyzes which people have Ocular hyperaemia 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 Ocular hyperaemia?

Ocular hyperaemia (an abnormally large amount of blood in eye) is found to be associated with 1,357 drugs and 1,499 conditions by eHealthMe. Check the latest studies of Ocular hyperaemia.

On Jul, 14, 2026

14,464 people reported to have side effects when taking Cyanocobalamin.
Among them, 32 people (0.22%) have Ocular hyperaemia.

Could Cyanocobalamin cause Ocular hyperaemia?

Among these 32 people:

What is the gender of people who have Ocular hyperaemia when taking Cyanocobalamin? *

female: 68.97 %
male: 31.03 %

What is the age of people who have Ocular hyperaemia when taking Cyanocobalamin? *

What are other drugs people take besides Cyanocobalamin? *

What are other side effects people have besides Ocular hyperaemia? *

High Blood Pressure: 11 people, 34.38%
Rashes (redness): 11 people, 34.38%
Weakness: 10 people, 31.25%
Pain In Extremity: 10 people, 31.25%
Dry Eyes (lack of adequate tears): 9 people, 28.12%
Joint Pain: 9 people, 28.12%
Weight Decreased: 9 people, 28.12%
Pain: 8 people, 25.00%
Fatigue (feeling of tiredness): 8 people, 25.00%
Fever: 8 people, 25.00%

What are the existing conditions these people have? *

Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 8 people, 25.00%
Pain: 6 people, 18.75%
Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 5 people, 15.62%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 3 people, 9.38%
Asthma: 2 people, 6.25%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 2 people, 6.25%
Breast Cancer Metastatic: 2 people, 6.25%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 6.25%
Gait Disturbance: 2 people, 6.25%
Immunoglobulins Increased: 2 people, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Cyanocobalamin and have Ocular hyperaemia?

- Check whether Ocular hyperaemia 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 Ocular hyperaemia:

Ocular hyperaemia (1,357 drugs)

Browse all the conditions that are associated with Ocular hyperaemia:

Ocular hyperaemia (1,499 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.