Nitrofurantoin and Electrocardiogram qt prolonged - a phase IV clinical study of FDA data

Summary:

Electrocardiogram qt prolonged is reported as a side effect among people who take Nitrofurantoin (nitrofurantoin, macrocrystalline), especially for people who are female, 60+ old, also take Simvastatin, and have Anaesthesia.

The phase IV clinical study analyzes which people have Electrocardiogram qt prolonged when taking Nitrofurantoin. It is created by eHealthMe based on reports of 4,140 people who have side effects when taking Nitrofurantoin from the FDA, and is updated regularly.

What is Nitrofurantoin?

Nitrofurantoin has active ingredients of nitrofurantoin, macrocrystalline. It is often used in urinary tract infection. eHealthMe is studying from 4,837 Nitrofurantoin users. Check the latest studies of Nitrofurantoin.

What is Electrocardiogram qt prolonged?

Electrocardiogram qt prolonged is found to be associated with 1,394 drugs and 1,518 conditions by eHealthMe. Check the latest studies of Electrocardiogram qt prolonged.

On Jul, 12, 2026

4,140 people reported to have side effects when taking Nitrofurantoin.
Among them, 35 people (0.85%) have Electrocardiogram qt prolonged.

Could Nitrofurantoin cause Electrocardiogram qt prolonged?

Among these 35 people:

What is the gender of people who have Electrocardiogram qt prolonged when taking Nitrofurantoin? *

female: 97.14 %
male: 2.86 %

What is the age of people who have Electrocardiogram qt prolonged when taking Nitrofurantoin? *

What are other drugs people take besides Nitrofurantoin? *

What are other side effects people have besides Electrocardiogram qt prolonged? *

Ventricular Fibrillation (abnormally irregular heart rhythm): 10 people, 28.57%
Bradycardia (abnormally slow heart action): 9 people, 25.71%
Cardiac Arrest: 9 people, 25.71%
Diarrhea: 8 people, 22.86%
Ventricular Tachycardia (rapid heartbeat that originates in one of the lower chambers (the ventricles) of the heart): 8 people, 22.86%
Hypokalemia (low potassium): 7 people, 20.00%
Weakness: 7 people, 20.00%
Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 7 people, 20.00%
Arrhythmias (irregular heartbeat): 6 people, 17.14%
Torsade De Pointes (a abnormal heart rate with abnormal beating pattern): 6 people, 17.14%

What are the existing conditions these people have? *

Anaesthesia: 8 people, 22.86%
Ventricular Fibrillation (abnormally irregular heart rhythm): 7 people, 20.00%
Aggression: 7 people, 20.00%
Diarrhea: 7 people, 20.00%
High Blood Pressure: 6 people, 17.14%
Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 6 people, 17.14%
Bipolar Disorder (mood disorder): 6 people, 17.14%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 6 people, 17.14%
Migraine (headache): 6 people, 17.14%
Insomnia (sleeplessness): 6 people, 17.14%

* Approximation only. Some reports may have incomplete information.

Do you take Nitrofurantoin and have Electrocardiogram qt prolonged?

- Check whether Electrocardiogram qt prolonged is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Nitrofurantoin:

Nitrofurantoin (4,837 reports)

Electrocardiogram qt prolonged treatments and more:

Electrocardiogram qt prolonged (41,656 reports)

How severe was Electrocardiogram qt prolonged and when was it recovered:

Electrocardiogram qt prolonged in Nitrofurantoin

Expand to all the drugs that have ingredients of nitrofurantoin, macrocrystalline:

Electrocardiogram qt prolonged and drugs with ingredients of nitrofurantoin, macrocrystalline

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 Nitrofurantoin:

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 Electrocardiogram qt prolonged:

Electrocardiogram qt prolonged (1,394 drugs)

Browse all the conditions that are associated with Electrocardiogram qt prolonged:

Electrocardiogram qt prolonged (1,518 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on nitrofurantoin, macrocrystalline (the active ingredients of Nitrofurantoin) and Nitrofurantoin (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.

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