Loratadine and Hypercalcaemia - a phase IV clinical study of FDA data

Summary:

Hypercalcaemia is reported as a side effect among people who take Loratadine (loratadine), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Vicodin, and have High blood pressure.

The phase IV clinical study analyzes which people have Hypercalcaemia when taking Loratadine. It is created by eHealthMe based on reports of 53,991 people who have side effects when taking Loratadine from the FDA, and is updated regularly.

What is Loratadine?

Loratadine has active ingredients of loratadine. It is often used in allergies. eHealthMe is studying from 56,314 Loratadine users. Check the latest studies of Loratadine.

What is Hypercalcaemia?

Hypercalcaemia (elevated calcium (ca+) level in the blood) is found to be associated with 1,056 drugs and 1,018 conditions by eHealthMe. Check the latest studies of Hypercalcaemia.

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, 25, 2026

53,991 people reported to have side effects when taking Loratadine.
Among them, 38 people (0.07%) have Hypercalcaemia.

Among these 38 people:

How long have people been on Loratadine when they have Hypercalcaemia? *

What is the gender of people who have Hypercalcaemia when taking Loratadine? *

female: 47.37 %
male: 52.63 %

What is the age of people who have Hypercalcaemia when taking Loratadine? *

What are other drugs people take besides Loratadine? *

What are other side effects people have besides Hypercalcaemia? *

Fatigue (feeling of tiredness): 10 people, 26.32%
Dehydration (dryness resulting from the removal of water): 10 people, 26.32%
Nausea (feeling of having an urge to vomit): 7 people, 18.42%
Dyspnea (difficult or laboured breathing): 7 people, 18.42%
Thrombocytopenia (decrease of platelets in blood): 7 people, 18.42%
Weakness: 6 people, 15.79%
Gastrointestinal Haemorrhage (bleeding gastrointestinal tract): 5 people, 13.16%
Sepsis (a severe blood infection that can lead to organ failure and death): 5 people, 13.16%
Hypokalemia (low potassium): 5 people, 13.16%
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): 5 people, 13.16%

What are the existing conditions these people have? *

High Blood Pressure: 8 people, 21.05%
Pain: 7 people, 18.42%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 6 people, 15.79%
Abdominal Pain: 5 people, 13.16%
Hepatic Neoplasm Malignant (liver cancer): 5 people, 13.16%
High Blood Cholesterol: 5 people, 13.16%
Diabetes: 5 people, 13.16%
Seasonal Allergy (allergic condition due to certain season): 5 people, 13.16%
Constipation: 4 people, 10.53%
Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 3 people, 7.89%

* Approximation only. Some reports may have incomplete information.

Do you take Loratadine and have Hypercalcaemia?

- Check whether Hypercalcaemia 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 Loratadine:

Loratadine (56,314 reports)

Hypercalcaemia treatments and more:

Hypercalcaemia (18,731 reports)

Browse all side effects of Loratadine:

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 Hypercalcaemia:

Hypercalcaemia (1,056 drugs)

Browse all the conditions that are associated with Hypercalcaemia:

Hypercalcaemia (1,018 conditions)

How the study uses the data?

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