Mirtazapine and B-lymphocyte count increased - a phase IV clinical study of FDA data

Summary:

B-lymphocyte count increased is reported as a side effect among people who take Mirtazapine (mirtazapine), especially for people who are male, 60+ old, also take Clonidine, and have Adjustment disorder with depressed mood.

The phase IV clinical study analyzes which people have B-lymphocyte count increased when taking Mirtazapine. It is created by eHealthMe based on reports of 79,492 people who have side effects when taking Mirtazapine from the FDA, and is updated regularly.

What is Mirtazapine?

Mirtazapine has active ingredients of mirtazapine. It is often used in depression. eHealthMe is studying from 82,120 Mirtazapine users. Check the latest studies of Mirtazapine.

What is B-lymphocyte count increased?

B-lymphocyte count increased is found to be associated with 46 drugs and 63 conditions by eHealthMe. Check the latest studies of B-lymphocyte count increased.

On Jul, 15, 2026

79,492 people reported to have side effects when taking Mirtazapine.
Among them, 13 people (0.02%) have B-lymphocyte count increased.

Could Mirtazapine cause B-lymphocyte count increased?

Among these 13 people:

What is the gender of people who have B-lymphocyte count increased when taking Mirtazapine? *

female: 40 %
male: 60 %

What is the age of people who have B-lymphocyte count increased when taking Mirtazapine? *

What are other drugs people take besides Mirtazapine? *

Pregabalin: 8 people, 61.54%
Prednisolone: 8 people, 61.54%
Lactulose: 8 people, 61.54%
Enoxaparin Sodium: 8 people, 61.54%
Clonidine: 8 people, 61.54%
Zinbryta: 4 people, 30.77%
Piperacillin And Tazobactam: 2 people, 15.38%
Valerian: 1 person, 7.69%
Pantoprazole Sodium: 1 person, 7.69%
Ocrevus: 1 person, 7.69%

What are other side effects people have besides B-lymphocyte count increased? *

Sleep Apnea Syndrome: 8 people, 61.54%
Pseudomonas Infection (pseudomonas infection is caused by a bacterium, pseudomonas aeruginosa): 8 people, 61.54%
Pneumonia: 8 people, 61.54%
Pain In Extremity: 8 people, 61.54%
Depressed Mood: 8 people, 61.54%
Obstructive Airways Disorder (a progressive disease that makes it hard to breathe): 8 people, 61.54%
Multiple Sclerosis Relapse (reoccurrence of a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 8 people, 61.54%
Dyspnea (difficult or laboured breathing): 8 people, 61.54%
Cystitis Noninfective (non-infectious inflammation of the wall of the bladder): 8 people, 61.54%
Immunodeficiency: 8 people, 61.54%

What are the existing conditions these people have? *

Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 4 people, 30.77%
Encephalitis Autoimmune (autoimmune origin disturbances of consciousness and pyramidal signs, inflammation of the brain): 4 people, 30.77%
Adjustment Disorder With Depressed Mood: 4 people, 30.77%
Rickets (softening of bones): 2 people, 15.38%
Primary Progressive Multiple Sclerosis (primary progressive inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Mirtazapine and have B-lymphocyte count increased?

- Check whether B-lymphocyte count increased 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 Mirtazapine:

Mirtazapine (82,120 reports)

Browse all side effects of Mirtazapine:

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 B-lymphocyte count increased:

B-lymphocyte count increased (46 drugs)

Browse all the conditions that are associated with B-lymphocyte count increased:

B-lymphocyte count increased (63 conditions)

How the study uses the data?

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