Weight increased in Chantix - how severe and when it was recovered? (a real world drug study)

Summary:

We study how severe was Weight increased, when it was recovered, drug effectiveness, race, and more among people who take Chantix (varenicline tartrate). This phase IV clinical study is created by eHealthMe based on reports submitted to eHealthMe, and is updated regularly.

What is Chantix?

Chantix has active ingredients of varenicline tartrate. It is often used in quit smoking. eHealthMe is studying from 89,889 Chantix users. Check the latest studies of Chantix.

What is Weight increased?

Weight increased is found to be associated with 2,887 drugs and 3,963 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 May, 26, 2026

7 people who have Weight increased while taking Chantix were studied.

Severity of Weight increased *:

least: 0.0 %
moderate: 50 %
severe: 50 %
most severe: 0.0 %

When people recovered from Weight increased *:

while on drug: 0.0 %
after off the drug: 0.0 %
not yet: 100 %

Effectiveness of Chantix *:

not at all: 0.0 %
somewhat: 0.0 %
moderate: 0.0 %
high: 60 %
very high: 40 %

Race of the people *:

African American, Non-Hispanic: 0.0 %
American Indian/Alaska Native: 0.0 %
Asian: 0.0 %
Hispanic: 0.0 %
Native Hawaiians/Pacific Islanders: 0.0 %
Two or more races: 0.0 %
White, Non-Hispanic: 100 %

Time on Chantix *:

Gender of people when taking Chantix *:

female: 100 %
male: 0.0 %

Age of people when taking Chantix *:

Conditions people have *:

Depression: 2 people, 28.57%
Stress And Anxiety: 1 person, 14.29%
Seizures (abnormal excessive or synchronous neuronal activity in the brain): 1 person, 14.29%
Menopause (end of monthly cycles in women): 1 person, 14.29%
Insomnia (sleeplessness): 1 person, 14.29%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 14.29%
Hot Flush (sudden feelings of heat): 1 person, 14.29%
High Blood Pressure: 1 person, 14.29%
Heart Failure: 1 person, 14.29%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 14.29%

Other drugs people take besides Chantix *:

Other side effects people have besides Weight increased *:

Swelling: 1 person, 14.29%
Nausea (feeling of having an urge to vomit): 1 person, 14.29%
Loss Of Libido (loss of sexual urge): 1 person, 14.29%
Insomnia (sleeplessness): 1 person, 14.29%
Hair Loss: 1 person, 14.29%
Fatigue (feeling of tiredness): 1 person, 14.29%
Drowsiness: 1 person, 14.29%

* Approximation only. Some reports may have incomplete information.

Do you take Chantix and have Weight increased?

Check whether Weight increased is associated with a drug or a condition

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.

Related studies

Weight increased in Chantix

How the study uses the data?

The study is based on varenicline tartrate (the active ingredients of Chantix). Other drugs that have the same active ingredients (e.g. generic drugs) are considered. Dosage of drugs is not considered in the study.

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.