Allegra and Gallbladder non-functioning - a phase IV clinical study of FDA data

Summary:

Gallbladder non-functioning is reported as a side effect among people who take Allegra (fexofenadine hydrochloride), especially for people who are female, 20-29 old, also take Yasmin, and have Birth control.

The phase IV clinical study analyzes which people have Gallbladder non-functioning when taking Allegra. It is created by eHealthMe based on reports of 73,095 people who have side effects when taking Allegra from the FDA, and is updated regularly.

What is Allegra?

Allegra has active ingredients of fexofenadine hydrochloride. It is often used in allergies. eHealthMe is studying from 75,492 Allegra users. Check the latest studies of Allegra.

What is Gallbladder non-functioning?

Gallbladder non-functioning is found to be associated with 157 drugs and 437 conditions by eHealthMe. Check the latest studies of Gallbladder non-functioning.

On Oct, 19, 2025

73,095 people reported to have side effects when taking Allegra.
Among them, 17 people (0.02%) have Gallbladder non-functioning.

Could Allegra cause Gallbladder non-functioning?

Among these 17 people:

What is the gender of people who have Gallbladder non-functioning when taking Allegra? *

female: 94.12 %
male: 5.88 %

What is the age of people who have Gallbladder non-functioning when taking Allegra? *

What are other drugs people take besides Allegra? *

Yasmin: 9 people, 52.94%
Protonix: 7 people, 41.18%
Yaz: 7 people, 41.18%
Lexapro: 5 people, 29.41%
Prevacid: 4 people, 23.53%
Drospirenone And Ethinyl Estradiol: 3 people, 17.65%
Ibuprofen: 3 people, 17.65%
Advair Diskus 100/50: 3 people, 17.65%
Celebrex: 2 people, 11.76%
Lamictal: 2 people, 11.76%

What are other side effects people have besides Gallbladder non-functioning? *

Injury: 8 people, 47.06%
Pain: 7 people, 41.18%
Cholecystitis Chronic (long lasting infection of gallbladder): 7 people, 41.18%
Nausea (feeling of having an urge to vomit): 6 people, 35.29%
Biliary Dyskinesia (motility disorder that affects the gallbladder and sphincter of oddi): 5 people, 29.41%
Gallbladder Disease: 4 people, 23.53%
Abdominal Pain: 4 people, 23.53%
Stress And Anxiety: 4 people, 23.53%
Dizziness: 3 people, 17.65%
Diarrhea: 3 people, 17.65%

What are the existing conditions these people have? *

Birth Control: 8 people, 47.06%
Depression: 3 people, 17.65%
Urticaria (rash of round, red welts on the skin that itch intensely): 2 people, 11.76%
Urinary Tract Infection: 2 people, 11.76%
Stress And Anxiety: 2 people, 11.76%
Multiple Allergies (allergy to multiple agents): 2 people, 11.76%
Migraine (headache): 2 people, 11.76%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 11.76%
Asthma: 2 people, 11.76%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 2 people, 11.76%

* Approximation only. Some reports may have incomplete information.

Do you take Allegra and have Gallbladder non-functioning?

- Check whether Gallbladder non-functioning 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 Allegra:

Allegra (75,492 reports)

Browse all side effects of Allegra:

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 Gallbladder non-functioning:

Gallbladder non-functioning (157 drugs)

Browse all the conditions that are associated with Gallbladder non-functioning:

Gallbladder non-functioning (437 conditions)

Drugs similar to Allegra and Gallbladder non-functioning :

How the study uses the data?

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