Cefazolin and Thrombophlebitis - a phase IV clinical study of FDA data

Summary:

Thrombophlebitis is reported as a side effect among people who take Cefazolin (cefazolin sodium), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Lasix, and have High blood pressure.

The phase IV clinical study analyzes which people have Thrombophlebitis when taking Cefazolin. It is created by eHealthMe based on reports of 15,127 people who have side effects when taking Cefazolin from the FDA, and is updated regularly.

What is Cefazolin?

Cefazolin has active ingredients of cefazolin sodium. It is often used in infection. eHealthMe is studying from 15,157 Cefazolin users. Check the latest studies of Cefazolin.

What is Thrombophlebitis?

Thrombophlebitis (swelling (inflammation) of a vein caused by a blood clot) is found to be associated with 938 drugs and 1,267 conditions by eHealthMe. Check the latest studies of Thrombophlebitis.

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 Sep, 01, 2026

15,127 people reported to have side effects when taking Cefazolin.
Among them, 37 people (0.24%) have Thrombophlebitis.

Among these 37 people:

How long have people been on Cefazolin when they have Thrombophlebitis? *

What is the gender of people who have Thrombophlebitis when taking Cefazolin? *

female: 51.43 %
male: 48.57 %

What is the age of people who have Thrombophlebitis when taking Cefazolin? *

What are other drugs people take besides Cefazolin? *

What are other side effects people have besides Thrombophlebitis? *

Dizziness: 14 people, 37.84%
Acute Kidney Failure: 14 people, 37.84%
Fever: 13 people, 35.14%
Gallstones (stone formation by bile component): 12 people, 32.43%
Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 12 people, 32.43%
Neuropathy Peripheral (surface nerve damage): 11 people, 29.73%
Deep Venous Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis): 11 people, 29.73%
High Blood Cholesterol: 11 people, 29.73%
Osteoarthritis (a joint disease caused by cartilage loss in a joint): 11 people, 29.73%
Glaucoma (increased fluid pressure in the eye with vision loss): 11 people, 29.73%

What are the existing conditions these people have? *

High Blood Pressure: 10 people, 27.03%
Muscle Spasms (muscle contraction): 9 people, 24.32%
Pain: 6 people, 16.22%
Fever: 5 people, 13.51%
Fibrin D Dimer Increased: 4 people, 10.81%
Acute Lymphocytic Leukemia (All) (cancer of the white blood cells characterized by excess lymphoblasts): 4 people, 10.81%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 4 people, 10.81%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 3 people, 8.11%
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): 2 people, 5.41%
Multiple Allergies (allergy to multiple agents): 2 people, 5.41%

* Approximation only. Some reports may have incomplete information.

Do you take Cefazolin and have Thrombophlebitis?

- Check whether Thrombophlebitis 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 Cefazolin:

Cefazolin (15,157 reports)

Thrombophlebitis treatments and more:

Thrombophlebitis (13,501 reports)

Browse all side effects of Cefazolin:

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 Thrombophlebitis:

Thrombophlebitis (938 drugs)

Browse all the conditions that are associated with Thrombophlebitis:

Thrombophlebitis (1,267 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on cefazolin sodium (the active ingredients of Cefazolin) and Cefazolin (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.