Calcium and Animal scratch - a phase IV clinical study of FDA data

Summary:

Animal scratch is reported as a side effect among people who take Calcium (calcium), especially for people who are female, 60+ old, also take Vitamin D3, and have High blood pressure.

The phase IV clinical study analyzes which people have Animal scratch 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 Animal scratch?

Animal scratch is found to be associated with 166 drugs and 225 conditions by eHealthMe. Check the latest studies of Animal scratch.

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, 01, 2026

180,447 people reported to have side effects when taking Calcium.
Among them, 16 people (0.01%) have Animal scratch.

Among these 16 people:

What is the gender of people who have Animal scratch when taking Calcium? *

female: 81.25 %
male: 18.75 %

What is the age of people who have Animal scratch when taking Calcium? *

What are other drugs people take besides Calcium? *

What are other side effects people have besides Animal scratch? *

Fall: 7 people, 43.75%
Head Injury: 6 people, 37.50%
Fatigue (feeling of tiredness): 6 people, 37.50%
Joint Pain: 5 people, 31.25%
Impaired Healing: 5 people, 31.25%
Peripheral Swelling: 5 people, 31.25%
Pain In Extremity: 5 people, 31.25%
Rashes (redness): 5 people, 31.25%
Neck Pain: 4 people, 25.00%
Back Pain: 4 people, 25.00%

What are the existing conditions these people have? *

Immunodeficiency: 3 people, 18.75%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 18.75%
High Blood Cholesterol: 3 people, 18.75%
High Blood Pressure: 3 people, 18.75%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 2 people, 12.50%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 2 people, 12.50%
Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 2 people, 12.50%
Back Pain: 2 people, 12.50%
Bone Density Abnormal: 2 people, 12.50%
Bone Disorder: 2 people, 12.50%

* Approximation only. Some reports may have incomplete information.

Do you take Calcium and have Animal scratch?

- Check whether Animal scratch 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)

Animal scratch treatments and more:

Animal scratch (1,232 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 Animal scratch:

Animal scratch (166 drugs)

Browse all the conditions that are associated with Animal scratch:

Animal scratch (225 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.