Claritin and Hypocalcaemia - a phase IV clinical study of FDA data

Summary:

Hypocalcaemia is reported as a side effect among people who take Claritin (loratadine), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Prilosec, and have Pain.

The phase IV clinical study analyzes which people have Hypocalcaemia when taking Claritin. It is created by eHealthMe based on reports of 74,516 people who have side effects when taking Claritin from the FDA, and is updated regularly.

What is Claritin?

Claritin has active ingredients of loratadine. It is often used in allergies. eHealthMe is studying from 77,315 Claritin users. Check the latest studies of Claritin.

What is Hypocalcaemia?

Hypocalcaemia (levels of calcium in blood serum are abnormally low) is found to be associated with 1,208 drugs and 1,302 conditions by eHealthMe. Check the latest studies of Hypocalcaemia.

On Jul, 02, 2026

74,516 people reported to have side effects when taking Claritin.
Among them, 79 people (0.11%) have Hypocalcaemia.

Among these 79 people:

How long have people been on Claritin when they have Hypocalcaemia? *

What is the gender of people who have Hypocalcaemia when taking Claritin? *

female: 71.05 %
male: 28.95 %

What is the age of people who have Hypocalcaemia when taking Claritin? *

What are other drugs people take besides Claritin? *

What are other side effects people have besides Hypocalcaemia? *

Hypomagnesaemia (electrolyte disturbance in which there is an abnormally low level of magnesium in the blood): 28 people, 35.44%
Joint Pain: 28 people, 35.44%
High Blood Pressure: 26 people, 32.91%
Dyspnea (difficult or laboured breathing): 26 people, 32.91%
Stress And Anxiety: 25 people, 31.65%
Atelectasis (partial or complete collapse of the lung): 25 people, 31.65%
Acute Kidney Failure: 24 people, 30.38%
Anaemia (lack of blood): 24 people, 30.38%
Diarrhea: 24 people, 30.38%
Fever: 22 people, 27.85%

What are the existing conditions these people have? *

Pain: 14 people, 17.72%
High Blood Pressure: 10 people, 12.66%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 9 people, 11.39%
Localised Osteoarthritis (infection of joint affects only single joint): 8 people, 10.13%
Insomnia (sleeplessness): 7 people, 8.86%
Depression: 6 people, 7.59%
Anaemia (lack of blood): 6 people, 7.59%
Multiple Myeloma (cancer of the plasma cells): 6 people, 7.59%
Hypercalcaemia (elevated calcium (ca+) level in the blood): 6 people, 7.59%
Lupus Nephritis (a chronic inflammatory autoimmune disorder that may affect kidney tissue): 5 people, 6.33%

* Approximation only. Some reports may have incomplete information.

Do you take Claritin and have Hypocalcaemia?

- Check whether Hypocalcaemia 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 Claritin:

Claritin (77,315 reports)

Hypocalcaemia treatments and more:

Hypocalcaemia (26,346 reports)

Browse all side effects of Claritin:

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 Hypocalcaemia:

Hypocalcaemia (1,208 drugs)

Browse all the conditions that are associated with Hypocalcaemia:

Hypocalcaemia (1,302 conditions)

How the study uses the data?

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