Zyrtec and Fibrin d dimer increased - a phase IV clinical study of FDA data

Summary:

Fibrin d dimer increased is reported as a side effect among people who take Zyrtec (cetirizine hydrochloride), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Acetaminophen, and have Immunodeficiency common variable.

The phase IV clinical study analyzes which people have Fibrin d dimer increased when taking Zyrtec. It is created by eHealthMe based on reports of 109,528 people who have side effects when taking Zyrtec from the FDA, and is updated regularly.

What is Zyrtec?

Zyrtec has active ingredients of cetirizine hydrochloride. It is often used in allergies. eHealthMe is studying from 114,619 Zyrtec users. Check the latest studies of Zyrtec.

What is Fibrin d dimer increased?

Fibrin d dimer increased is found to be associated with 518 drugs and 834 conditions by eHealthMe. Check the latest studies of Fibrin d dimer increased.

On Jul, 09, 2026

109,528 people reported to have side effects when taking Zyrtec.
Among them, 41 people (0.04%) have Fibrin d dimer increased.

Could Zyrtec cause Fibrin d dimer increased?

Among these 41 people:

How long have people been on Zyrtec when they have Fibrin d dimer increased? *

What is the gender of people who have Fibrin d dimer increased when taking Zyrtec? *

female: 70 %
male: 30 %

What is the age of people who have Fibrin d dimer increased when taking Zyrtec? *

What are other drugs people take besides Zyrtec? *

What are other side effects people have besides Fibrin d dimer increased? *

Chest Pain: 13 people, 31.71%
Dyspnea (difficult or laboured breathing): 13 people, 31.71%
Dehydration (dryness resulting from the removal of water): 11 people, 26.83%
Fatigue (feeling of tiredness): 10 people, 24.39%
Fever: 10 people, 24.39%
Joint Pain: 10 people, 24.39%
Weakness: 9 people, 21.95%
Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 9 people, 21.95%
Acute Kidney Failure: 8 people, 19.51%
Back Pain: 8 people, 19.51%

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 6 people, 14.63%
Birth Control: 4 people, 9.76%
Hypersensitivity: 3 people, 7.32%
Acne (skin problems that cause pimples): 3 people, 7.32%
High Blood Pressure: 3 people, 7.32%
Multiple Myeloma (cancer of the plasma cells): 2 people, 4.88%
Bone Loss: 2 people, 4.88%
Endometriosis (appearance of endometrial tissue outside the uterus and causing pelvic pain): 2 people, 4.88%
Hereditary Angioedema (recurrent episodes of severe swelling): 2 people, 4.88%
High Blood Cholesterol: 2 people, 4.88%

* Approximation only. Some reports may have incomplete information.

Do you take Zyrtec and have Fibrin d dimer increased?

- Check whether Fibrin d dimer 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 Zyrtec:

Zyrtec (114,619 reports)

Browse all side effects of Zyrtec:

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 Fibrin d dimer increased:

Fibrin d dimer increased (518 drugs)

Browse all the conditions that are associated with Fibrin d dimer increased:

Fibrin d dimer increased (834 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on cetirizine hydrochloride (the active ingredients of Zyrtec) and Zyrtec (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.