Allegra and Mammogram abnormal - a phase IV clinical study of FDA data

Summary:

Mammogram abnormal is reported as a side effect among people who take Allegra (fexofenadine hydrochloride), especially for people who are female, 30-39 old, also take Prilosec, and have Eczema.

The phase IV clinical study analyzes which people have Mammogram abnormal 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 75,498 Allegra users. Check the latest studies of Allegra.

What is Mammogram abnormal?

Mammogram abnormal (abnormal breast examination) is found to be associated with 263 drugs and 254 conditions by eHealthMe. Check the latest studies of Mammogram abnormal.



On Aug, 11, 2026

73,095 people reported to have side effects when taking Allegra.
Among them, 36 people (0.05%) have Mammogram abnormal.

Could Allegra cause Mammogram abnormal?

Among these 36 people:

What is the gender of people who have Mammogram abnormal when taking Allegra? *

  • female: 97.22 %
  • male: 2.78 %

What is the age of people who have Mammogram abnormal when taking Allegra? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 50.0 %
  • 40-49: 8.82 %
  • 50-59: 29.41 %
  • 60+: 11.76 %

What are other drugs people take besides Allegra? *

  1. Prilosec: 20 people, 55.56%
  2. Lipitor: 19 people, 52.78%
  3. Azithromycin: 18 people, 50.00%
  4. Kenalog: 18 people, 50.00%
  5. Avelox: 18 people, 50.00%
  6. Medrol: 18 people, 50.00%
  7. Claritin: 18 people, 50.00%
  8. Keflex: 17 people, 47.22%
  9. Fluconazole: 16 people, 44.44%
  10. Condylox: 15 people, 41.67%

What are other side effects people have besides Mammogram abnormal? *

  1. Pain In Extremity: 27 people, 75.00%
  2. High Blood Cholesterol: 26 people, 72.22%
  3. Fall: 23 people, 63.89%
  4. High Blood Pressure: 23 people, 63.89%
  5. Uterine Leiomyoma (uterine benign tumour derived from smooth muscle): 21 people, 58.33%
  6. Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 20 people, 55.56%
  7. Haemorrhoids (a swollen vein or group of veins in the region of the anus): 20 people, 55.56%
  8. Joint Pain: 19 people, 52.78%
  9. Urinary Tract Infection: 19 people, 52.78%
  10. Sinusitis (inflammation of sinus): 18 people, 50.00%

What are the existing conditions these people have? *

  1. Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 15 people, 41.67%
  2. Menopause (end of monthly cycles in women): 12 people, 33.33%
  3. Osteoporosis (bones weak and more likely to break): 10 people, 27.78%
  4. Hypersensitivity: 8 people, 22.22%
  5. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 6 people, 16.67%
  6. Osteopenia (a condition where bone mineral density is lower than normal): 6 people, 16.67%
  7. Headache (pain in head): 5 people, 13.89%
  8. Breast Cancer: 5 people, 13.89%
  9. Menopausal Symptoms: 3 people, 8.33%
  10. Nausea (feeling of having an urge to vomit): 3 people, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Allegra and have Mammogram abnormal?

- Check whether Mammogram abnormal 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:

Mammogram abnormal treatments and more:

How severe was Mammogram abnormal 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 Mammogram abnormal:

Browse all the conditions that are associated with Mammogram abnormal:


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: