Loratadine and Lymphocyte count increased - a phase IV clinical study of FDA data

Summary:

Lymphocyte count increased is reported as a side effect among people who take Loratadine (loratadine), especially for people who are male, 50-59 old, have been taking the drug for < 1 month also take Glucosamine Sulfate, and have Hypersensitivity.

The phase IV clinical study analyzes which people have Lymphocyte count increased 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 Lymphocyte count increased?

Lymphocyte count increased is found to be associated with 474 drugs and 611 conditions by eHealthMe. Check the latest studies of Lymphocyte count increased.

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, 20, 2026

53,991 people reported to have side effects when taking Loratadine.
Among them, 17 people (0.03%) have Lymphocyte count increased.

Could Loratadine cause Lymphocyte count increased?

Among these 17 people:

How long have people been on Loratadine when they have Lymphocyte count increased? *

What is the gender of people who have Lymphocyte count increased when taking Loratadine? *

female: 35.29 %
male: 64.71 %

What is the age of people who have Lymphocyte count increased when taking Loratadine? *

What are other drugs people take besides Loratadine? *

What are other side effects people have besides Lymphocyte count increased? *

Monocyte Count Increased: 12 people, 70.59%
Basophil Count Increased: 9 people, 52.94%
White Blood Cell Count Decreased: 8 people, 47.06%
Red Blood Cell Count Decreased: 8 people, 47.06%
Mean Platelet Volume Increased (more than normal average size of platelet cells in blood): 7 people, 41.18%
Mean Cell Haemoglobin Concentration Increased (more concentration of haemoglobin in a given volume of packed red blood cells): 7 people, 41.18%
Thrombocytopenia (decrease of platelets in blood): 7 people, 41.18%
Feeling Abnormal: 7 people, 41.18%
Overdose: 6 people, 35.29%
Blood Immunoglobulin E Increased: 6 people, 35.29%

What are the existing conditions these people have? *

Hypersensitivity: 6 people, 35.29%
Urticaria (rash of round, red welts on the skin that itch intensely): 2 people, 11.76%
Nausea (feeling of having an urge to vomit): 2 people, 11.76%
Itching: 2 people, 11.76%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 11.76%
Acute Coronary Syndrome (acute chest pain and other symptoms that happen because the heart does not get blood): 2 people, 11.76%
Pain: 1 person, 5.88%
Non-Hodgkin's Lymphoma (malignant (cancer) cells form in the lymph system): 1 person, 5.88%
Agitation (state of anxiety or nervous excitement): 1 person, 5.88%
Attention Deficit Hyperactivity Disorder (a chronic condition including attention difficulty, hyperactivity, and impulsiveness): 1 person, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Loratadine and have Lymphocyte count increased?

- Check whether Lymphocyte count increased is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Loratadine:

Loratadine (56,314 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 Lymphocyte count increased:

Lymphocyte count increased (474 drugs)

Browse all the conditions that are associated with Lymphocyte count increased:

Lymphocyte count increased (611 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.