Avastin and Weight fluctuation - a phase IV clinical study of FDA data

Summary:

Weight fluctuation is reported as a side effect among people who take Avastin (bevacizumab), especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months also take Tylenol, and have Glioblastoma.

The phase IV clinical study analyzes which people have Weight fluctuation when taking Avastin. It is created by eHealthMe based on reports of 75,729 people who have side effects when taking Avastin from the FDA, and is updated regularly.

What is Avastin?

Avastin has active ingredients of bevacizumab. It is often used in high blood cholesterol. eHealthMe is studying from 76,365 Avastin users. Check the latest studies of Avastin.

What is Weight fluctuation?

Weight fluctuation is found to be associated with 897 drugs and 1,028 conditions by eHealthMe. Check the latest studies of Weight fluctuation.

On Jul, 21, 2026

75,729 people reported to have side effects when taking Avastin.
Among them, 27 people (0.04%) have Weight fluctuation.

Among these 27 people:

How long have people been on Avastin when they have Weight fluctuation? *

What is the gender of people who have Weight fluctuation when taking Avastin? *

female: 57.69 %
male: 42.31 %

What is the age of people who have Weight fluctuation when taking Avastin? *

What are other drugs people take besides Avastin? *

What are other side effects people have besides Weight fluctuation? *

Fatigue (feeling of tiredness): 12 people, 44.44%
Weakness: 9 people, 33.33%
High Blood Pressure: 8 people, 29.63%
Constipation: 8 people, 29.63%
Rashes (redness): 7 people, 25.93%
Nausea (feeling of having an urge to vomit): 6 people, 22.22%
Death: 6 people, 22.22%
Hypotension (abnormally low blood pressure): 5 people, 18.52%
Dyspnea (difficult or laboured breathing): 5 people, 18.52%
Drug Ineffective: 5 people, 18.52%

What are the existing conditions these people have? *

Glioblastoma (most common and most aggressive malignant primary brain tumour in humans): 6 people, 22.22%
Nausea (feeling of having an urge to vomit): 5 people, 18.52%
Pain: 5 people, 18.52%
Lung Neoplasm Malignant (cancer tumour of lung): 5 people, 18.52%
Lung Cancer - Non-Small Cell (lung cancer): 3 people, 11.11%
Nausea And Vomiting: 3 people, 11.11%
High Blood Pressure: 3 people, 11.11%
Breast Cancer Female: 3 people, 11.11%
Ovarian Cancer Stage Iii: 2 people, 7.41%
Ovarian Cancer (cancer of ovary): 2 people, 7.41%

* Approximation only. Some reports may have incomplete information.

Do you take Avastin and have Weight fluctuation?

- Check whether Weight fluctuation 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 Avastin:

Avastin (76,365 reports)

Browse all side effects of Avastin:

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 Weight fluctuation:

Weight fluctuation (897 drugs)

Browse all the conditions that are associated with Weight fluctuation:

Weight fluctuation (1,028 conditions)

How the study uses the data?

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