1. Home
  2. Analysis
  3. Allegra
  4. Type-1-diabetes

Allegra and Type 1 diabetes - a phase IV clinical study of FDA data

Summary:

Type 1 diabetes is reported as a side effect among people who take Allegra (fexofenadine hydrochloride), especially for people who are female, 60+ old, also take Seroquel, and have Sleep disorder.

The phase IV clinical study analyzes which people have Type 1 diabetes 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 75,497 Allegra users. Check the latest studies of Allegra.

What is Type 1 diabetes?

Type 1 diabetes is found to be associated with 668 drugs and 1,643 conditions by eHealthMe. Check the latest studies of Type 1 diabetes.

On Jul, 21, 2026

73,095 people reported to have side effects when taking Allegra.
Among them, 53 people (0.07%) have Type 1 diabetes.

Could Allegra cause Type 1 diabetes?

Among these 53 people:

What is the gender of people who have Type 1 diabetes when taking Allegra? *

  • female: 57.69 %
  • male: 42.31 %

What is the age of people who have Type 1 diabetes when taking Allegra? *

  • 0-1: 0.0 %
  • 2-9: 5.13 %
  • 10-19: 23.08 %
  • 20-29: 5.13 %
  • 30-39: 5.13 %
  • 40-49: 17.95 %
  • 50-59: 20.51 %
  • 60+: 23.08 %

What are other drugs people take besides Allegra? *

  1. Seroquel: 22 people, 41.51%
  2. Avandia: 14 people, 26.42%
  3. Ambien: 11 people, 20.75%
  4. Lantus: 10 people, 18.87%
  5. Neurontin: 10 people, 18.87%
  6. Diovan: 10 people, 18.87%
  7. Haldol: 10 people, 18.87%
  8. Levaquin: 9 people, 16.98%
  9. Zyprexa: 9 people, 16.98%
  10. Aspirin: 9 people, 16.98%

What are other side effects people have besides Type 1 diabetes? *

  1. Diabetes: 14 people, 26.42%
  2. Diabetes Mellitus Inadequate Control: 13 people, 24.53%
  3. Weakness: 11 people, 20.75%
  4. Type 2 Diabetes: 11 people, 20.75%
  5. Cardiac Failure Congestive: 11 people, 20.75%
  6. Pneumonia: 10 people, 18.87%
  7. Chronic Renal Failure (kidney failure): 10 people, 18.87%
  8. Hypoglycemia (low blood sugar): 10 people, 18.87%
  9. Fatigue (feeling of tiredness): 9 people, 16.98%
  10. Back Pain: 9 people, 16.98%

What are the existing conditions these people have? *

  1. Sleep Disorder: 13 people, 24.53%
  2. Depression: 11 people, 20.75%
  3. Pain: 10 people, 18.87%
  4. Bipolar Disorder (mood disorder): 7 people, 13.21%
  5. Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 6 people, 11.32%
  6. Cardiac Disorder: 6 people, 11.32%
  7. Gout (uric acid crystals building up in the body): 5 people, 9.43%
  8. Memory Loss: 5 people, 9.43%
  9. Menopause (end of monthly cycles in women): 5 people, 9.43%
  10. Apolipoprotein Abnormal: 5 people, 9.43%

* Approximation only. Some reports may have incomplete information.

Do you take Allegra and have Type 1 diabetes?

- Check whether Type 1 diabetes 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:

Type 1 diabetes treatments and more:

How severe was Type 1 diabetes and when was it recovered:

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

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

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 Type 1 diabetes:

Browse all the conditions that are associated with Type 1 diabetes:

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.

Recent studies on eHealthMe:

© 2026 eHealthMe.com. All rights reserved. Use of this site constitutes acceptance of eHealthMe.com's terms of service and privacy policy.