Kefzol and Nosebleed - a phase IV clinical study of FDA data

Summary:

Nosebleed is reported as a side effect among people who take Kefzol (cefazolin sodium), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Heparin, and have Hypercalcaemia of malignancy.

The phase IV clinical study analyzes which people have Nosebleed when taking Kefzol. It is created by eHealthMe based on reports of 622 people who have side effects when taking Kefzol from the FDA, and is updated regularly.

What is Kefzol?

Kefzol has active ingredients of cefazolin sodium. eHealthMe is studying from 628 Kefzol users. Check the latest studies of Kefzol.

What is Nosebleed?

Nosebleed (bleeding from nose) is found to be associated with 2,080 drugs and 3,093 conditions by eHealthMe. Check the latest studies of Nosebleed.

On Jul, 19, 2026

622 people reported to have side effects when taking Kefzol.
Among them, 18 people (2.89%) have Nosebleed.

Among these 18 people:

How long have people been on Kefzol when they have Nosebleed? *

What is the gender of people who have Nosebleed when taking Kefzol? *

female: 83.33 %
male: 16.67 %

What is the age of people who have Nosebleed when taking Kefzol? *

What are other drugs people take besides Kefzol? *

What are other side effects people have besides Nosebleed? *

Rectal Haemorrhage (bleeding from anus): 16 people, 88.89%
Acute Kidney Failure: 15 people, 83.33%
Dizziness: 13 people, 72.22%
Memory Loss: 13 people, 72.22%
Magnesium Metabolism Disorder (disease of magnesium utilization): 13 people, 72.22%
Osteitis (a general term for inflammation of bone): 13 people, 72.22%
Hypokalemia (low potassium): 13 people, 72.22%
Osteomyelitis (infection of bone): 13 people, 72.22%
Osteonecrosis Of Jaw (death of bone of jaw): 13 people, 72.22%
Osteopenia (a condition where bone mineral density is lower than normal): 13 people, 72.22%

What are the existing conditions these people have? *

Lung Cancer - Non-Small Cell (lung cancer): 12 people, 66.67%
Hypercalcaemia Of Malignancy (elevated calcium (ca+) level in the blood with cancer): 12 people, 66.67%
Pain: 7 people, 38.89%
High Blood Pressure: 4 people, 22.22%
Infection: 1 person, 5.56%
High Blood Cholesterol: 1 person, 5.56%
Hernia Pain: 1 person, 5.56%
Headache (pain in head): 1 person, 5.56%
Disseminated Intravascular Coagulation (systemic activation of blood coagulation): 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Kefzol and have Nosebleed?

- Check whether Nosebleed 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 Kefzol:

Kefzol (628 reports)

Nosebleed treatments and more:

Nosebleed (92,075 reports)

Browse all side effects of Kefzol:

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 Nosebleed:

Nosebleed (2,080 drugs)

Browse all the conditions that are associated with Nosebleed:

Nosebleed (3,093 conditions)

How the study uses the data?

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