Calcium and Eye color change - a phase IV clinical study of FDA data

Summary:

Eye color change is reported as a side effect among people who take Calcium (calcium), especially for people who are female, 60+ old, also take Revlimid, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Eye color change when taking Calcium. It is created by eHealthMe based on reports of 180,447 people who have side effects when taking Calcium from the FDA, and is updated regularly.

What is Calcium?

Calcium has active ingredients of calcium. It is often used in osteoporosis. eHealthMe is studying from 184,203 Calcium users. Check the latest studies of Calcium.

What is Eye color change?

Eye color change is found to be associated with 87 drugs and 282 conditions by eHealthMe. Check the latest studies of Eye color change.

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 Aug, 30, 2026

180,447 people reported to have side effects when taking Calcium.
Among them, 11 people (0.01%) have Eye color change.

Among these 11 people:

What is the gender of people who have Eye color change when taking Calcium? *

female: 72.73 %
male: 27.27 %

What is the age of people who have Eye color change when taking Calcium? *

What are other drugs people take besides Calcium? *

What are other side effects people have besides Eye color change? *

Fatigue (feeling of tiredness): 4 people, 36.36%
Visual Impairment: 4 people, 36.36%
Rashes (redness): 3 people, 27.27%
Dyspnea (difficult or laboured breathing): 3 people, 27.27%
Headache (pain in head): 3 people, 27.27%
Pain: 3 people, 27.27%
Ocular Hyperaemia (an abnormally large amount of blood in eye): 2 people, 18.18%
Fall: 2 people, 18.18%
Diplopia (double vision): 2 people, 18.18%
Diarrhea: 2 people, 18.18%

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 3 people, 27.27%
Simple Partial Seizures (seizures which affect only a small region of the brain): 1 person, 9.09%
Seizures (abnormal excessive or synchronous neuronal activity in the brain): 1 person, 9.09%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 9.09%
Rhabdomyosarcoma (cancer of the bone, soft tissues, or connective tissue (e.g., tendon or cartilage)): 1 person, 9.09%
Renal Cancer Metastatic (cancer of kidney spreads to other part): 1 person, 9.09%
Pain: 1 person, 9.09%
Paget's Disease (disorder that involves abnormal bone destruction and regrowth, which results in deformity): 1 person, 9.09%
Migraine (headache): 1 person, 9.09%
High Blood Pressure: 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Calcium and have Eye color change?

- Check whether Eye color change 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 Calcium:

Calcium (184,203 reports)

Browse all side effects of Calcium:

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 Eye color change:

Eye color change (87 drugs)

Browse all the conditions that are associated with Eye color change:

Eye color change (282 conditions)

How the study uses the data?

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