Metronidazole and Multiple allergies - a phase IV clinical study of FDA data

Summary:

Multiple allergies is reported as a side effect among people who take Metronidazole (metronidazole), especially for people who are female, 30-39 old, also take Zyrtec, and have Eczema.

The phase IV clinical study analyzes which people have Multiple allergies when taking Metronidazole. It is created by eHealthMe based on reports of 58,146 people who have side effects when taking Metronidazole from the FDA, and is updated regularly.

What is Metronidazole?

Metronidazole has active ingredients of metronidazole. It is often used in vaginitis bacterial. eHealthMe is studying from 59,578 Metronidazole users. Check the latest studies of Metronidazole.

What is Multiple allergies?

Multiple allergies (allergy to multiple agents) is found to be associated with 717 drugs and 608 conditions by eHealthMe. Check the latest studies of Multiple allergies.

On Jul, 25, 2026

58,146 people reported to have side effects when taking Metronidazole.
Among them, 32 people (0.06%) have Multiple allergies.

Could Metronidazole cause Multiple allergies?

Among these 32 people:

What is the gender of people who have Multiple allergies when taking Metronidazole? *

female: 96.88 %
male: 3.12 %

What is the age of people who have Multiple allergies when taking Metronidazole? *

What are other drugs people take besides Metronidazole? *

What are other side effects people have besides Multiple allergies? *

Fall: 19 people, 59.38%
Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 18 people, 56.25%
High Blood Pressure: 17 people, 53.12%
Sinusitis (inflammation of sinus): 17 people, 53.12%
Urinary Tract Infection: 17 people, 53.12%
Back Pain: 17 people, 53.12%
Rashes (redness): 17 people, 53.12%
Fatigue (feeling of tiredness): 16 people, 50.00%
Pain In Extremity: 16 people, 50.00%
Joint Pain: 16 people, 50.00%

What are the existing conditions these people have? *

Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 14 people, 43.75%
Immunodeficiency Common Variable: 10 people, 31.25%
Urinary Tract Infection: 4 people, 12.50%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 2 people, 6.25%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 6.25%
Short-Bowel Syndrome (a condition in which the body cannot absorb enough fluids and nutrients because part of the small intestine is missing): 1 person, 3.12%
Multiple Myeloma (cancer of the plasma cells): 1 person, 3.12%
Heart Palpitations (feelings or sensations that your heart is pounding or racing): 1 person, 3.12%

* Approximation only. Some reports may have incomplete information.

Do you take Metronidazole and have Multiple allergies?

- Check whether Multiple allergies 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 Metronidazole:

Metronidazole (59,578 reports)

Browse all side effects of Metronidazole:

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 Multiple allergies:

Multiple allergies (717 drugs)

Browse all the conditions that are associated with Multiple allergies:

Multiple allergies (608 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on metronidazole (the active ingredients of Metronidazole) and Metronidazole (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.