Pazeo and Weight increased - a phase IV clinical study of FDA data

Summary:

Weight increased is reported as a side effect among people who take Pazeo (olopatadine hydrochloride), especially for people who are female, 60+ old, also take Synthroid, and have Primary myelofibrosis.

The phase IV clinical study analyzes which people have Weight increased when taking Pazeo. It is created by eHealthMe based on reports of 1,252 people who have side effects when taking Pazeo from the FDA, and is updated regularly.

What is Pazeo?

Pazeo has active ingredients of olopatadine hydrochloride. eHealthMe is studying from 1,256 Pazeo users. Check the latest studies of Pazeo.

What is Weight increased?

Weight increased is found to be associated with 2,889 drugs and 3,962 conditions by eHealthMe. Check the latest studies of Weight increased.

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, 02, 2026

1,252 people reported to have side effects when taking Pazeo.
Among them, 18 people (1.44%) have Weight increased.

Among these 18 people:

What is the gender of people who have Weight increased when taking Pazeo? *

female: 90.91 %
male: 9.09 %

What is the age of people who have Weight increased when taking Pazeo? *

What are other drugs people take besides Pazeo? *

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

Diarrhea: 7 people, 38.89%
Abdominal Discomfort: 6 people, 33.33%
Fatigue (feeling of tiredness): 6 people, 33.33%
Fall: 6 people, 33.33%
Migraine (headache): 5 people, 27.78%
Headache (pain in head): 5 people, 27.78%
Pain: 5 people, 27.78%
Blood Glucose Increased: 5 people, 27.78%
Feeling Abnormal: 5 people, 27.78%
Drug Withdrawal Syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation): 4 people, 22.22%

What are the existing conditions these people have? *

Primary Myelofibrosis (primary disorder of the bone marrow): 5 people, 27.78%
Neuropathy Peripheral (surface nerve damage): 4 people, 22.22%
Diabetic Neuropathy (neuropathic disorders that are associated with diabetes mellitus): 4 people, 22.22%
Immunodeficiency Common Variable: 3 people, 16.67%
Restless Leg Syndrome (a powerful urge to move your legs): 3 people, 16.67%
Primary Immunodeficiency Syndrome: 2 people, 11.11%
Migraine (headache): 2 people, 11.11%
Type 2 Diabetes: 2 people, 11.11%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 5.56%
Affective Disorder (mental disorder): 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Pazeo and have Weight increased?

- Check whether Weight 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 Pazeo:

Pazeo (1,256 reports)

Weight increased treatments and more:

Weight increased (279,371 reports)

Browse all side effects of Pazeo:

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 increased:

Weight increased (2,889 drugs)

Browse all the conditions that are associated with Weight increased:

Weight increased (3,962 conditions)

How the study uses the data?

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