Allegra and Body mass index increased - a phase IV clinical study of FDA data


Body mass index increased is found among people who take Allegra, especially for people who are male, 60+ old.

The phase IV clinical study analyzes which people take Allegra and have Body mass index increased. It is created by eHealthMe based on reports of 66,294 people who have side effects when taking Allegra from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Nov, 30, 2022

66,294 people reported to have side effects when taking Allegra.
Among them, 15 people (0.02%) have Body mass index increased.

What is Allegra?

Allegra has active ingredients of fexofenadine hydrochloride. It is often used in allergies. eHealthMe is studying from 68,513 Allegra users for its effectiveness, alternative drugs and more.

What is Body mass index increased?

Body mass index increased is found to be associated with 508 drugs and 243 conditions by eHealthMe.

Number of Allegra and Body mass index increased reports submitted per year:

Could Allegra cause Body mass index increased?

Gender of people who have Body mass index increased when taking Allegra *:

  • female: 46.67 %
  • male: 53.33 %

Age of people who have Body mass index increased when taking Allegra *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 9.09 %
  • 40-49: 0.0 %
  • 50-59: 36.36 %
  • 60+: 54.55 %

Common drugs people take besides Allegra *:

  1. Lyrica: 4 people, 26.67%
  2. Zofran: 3 people, 20.00%
  3. Nasonex: 3 people, 20.00%
  4. Lipitor: 3 people, 20.00%
  5. Levoxyl: 3 people, 20.00%
  6. Zestril: 3 people, 20.00%
  7. Levothroid: 3 people, 20.00%
  8. Glucophage: 3 people, 20.00%
  9. Flonase: 3 people, 20.00%
  10. Fish Oil: 3 people, 20.00%

Common side effects people have besides Body mass index increased *:

  1. Weakness: 5 people, 33.33%
  2. Rashes (redness): 5 people, 33.33%
  3. Sleep Apnea Syndrome: 4 people, 26.67%
  4. Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 4 people, 26.67%
  5. Joint Pain: 4 people, 26.67%
  6. Hypersensitivity: 4 people, 26.67%
  7. High Blood Pressure: 4 people, 26.67%
  8. Joint Stiffness: 3 people, 20.00%
  9. Malaise (a feeling of general discomfort or uneasiness): 3 people, 20.00%
  10. Joint Swelling: 3 people, 20.00%

Common conditions people have *:

  1. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 3 people, 20.00%
  2. Pain: 3 people, 20.00%
  3. Diabetic Neuropathy (neuropathic disorders that are associated with diabetes mellitus): 3 people, 20.00%
  4. Cataplexy (loss of muscle tone accompanied by full conscious awareness): 3 people, 20.00%
  5. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 20.00%
  6. Type 2 Diabetes: 2 people, 13.33%
  7. Itching: 2 people, 13.33%
  8. Diarrhea: 2 people, 13.33%
  9. Sleep Disorder: 2 people, 13.33%
  10. Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Allegra and have Body mass index increased?

Check whether Body mass index increased is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related studies

How severe was Body mass index increased and when was it recovered:

Expand to all the drugs that have ingredients of fexofenadine hydrochloride:

Alternative drugs to, pros and cons of Allegra:

Common Allegra side effects:

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

Body mass index increased treatments and more:

COVID vaccines that are related to Body mass index increased:

Common drugs associated with Body mass index increased:

All the drugs that are associated with Body mass index increased:

All the conditions that are associated with Body mass index increased:

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.

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on 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.

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