Metronidazole and Developmental delay - a phase IV clinical study of FDA data

Summary:

Developmental delay is reported as a side effect among people who take Metronidazole (metronidazole), especially for people who are female, 0-1 old, have been taking the drug for < 1 month also take Fluoxetine, and have Kidney infection (pyelonephritis).

The phase IV clinical study analyzes which people have Developmental delay 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 Developmental delay?

Developmental delay is found to be associated with 360 drugs and 428 conditions by eHealthMe. Check the latest studies of Developmental delay.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.



On Aug, 14, 2026

58,146 people reported to have side effects when taking Metronidazole.
Among them, 79 people (0.14%) have Developmental delay.

Could Metronidazole cause Developmental delay?

Among these 79 people:

How long have people been on Metronidazole when they have Developmental delay? *

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Developmental delay when taking Metronidazole? *

  • female: 96.83 %
  • male: 3.17 %

What is the age of people who have Developmental delay when taking Metronidazole? *

  • 0-1: 84.31 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 15.69 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 0.0 %

What are other drugs people take besides Metronidazole? *

  1. Fluoxetine: 66 people, 83.54%
  2. Cephradine: 30 people, 37.97%
  3. Acetaminophen: 29 people, 36.71%
  4. Paracetamol: 20 people, 25.32%
  5. Codeine: 17 people, 21.52%
  6. Albuterol: 10 people, 12.66%
  7. Amoxicillin: 10 people, 12.66%
  8. Paxil: 9 people, 11.39%
  9. Zithromax: 9 people, 11.39%
  10. Tylenol: 8 people, 10.13%

What are other side effects people have besides Developmental delay? *

  1. Malaise (a feeling of general discomfort or uneasiness): 56 people, 70.89%
  2. Hepatotoxicity (chemical-driven liver damage): 55 people, 69.62%
  3. Foetal Monitoring Abnormal: 54 people, 68.35%
  4. Foetal Exposure During Pregnancy (exposing your unborn child to contraindicated in pregnancy leads birth defect): 54 people, 68.35%
  5. Tremor (trembling or shaking movements in one or more parts of your body): 52 people, 65.82%
  6. Speech Impairment (Adult) (inability to speak (adult)): 52 people, 65.82%
  7. Foetal Arrhythmia (abnormal rate or rhythm of the foetus heartbeat): 50 people, 63.29%
  8. Respiratory Distress (difficulty in breathing): 49 people, 62.03%
  9. Drug Withdrawal Syndrome Neonatal (prenatal nas is caused by discontinuation of drugs taken by the pregnant mother): 49 people, 62.03%
  10. Premature Baby: 49 people, 62.03%

What are the existing conditions these people have? *

  1. Kidney Infection (Pyelonephritis): 56 people, 70.89%
  2. Pelvic Pain: 49 people, 62.03%
  3. Back Disorder: 45 people, 56.96%
  4. Foetal Exposure During Pregnancy (exposing your unborn child to contraindicated in pregnancy leads birth defect): 35 people, 44.30%
  5. Depression: 7 people, 8.86%
  6. Asthma: 7 people, 8.86%
  7. Infection: 6 people, 7.59%
  8. Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 6 people, 7.59%
  9. Birth Control: 5 people, 6.33%
  10. Stress And Anxiety: 3 people, 3.80%

* Approximation only. Some reports may have incomplete information.

Do you take Metronidazole and have Developmental delay?

- Check whether Developmental delay 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:

Developmental delay treatments and more:

How severe was Developmental delay and when was it recovered:

Expand to all the drugs that have ingredients of metronidazole:

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 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 Developmental delay:

Browse all the conditions that are associated with Developmental delay:


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.



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