Macrobid and Abnormal behaviour - a phase IV clinical study of FDA data

Summary:

Abnormal behaviour is reported as a side effect among people who take Macrobid (nitrofurantoin; nitrofurantoin, macrocrystalline), especially for people who are female, 60+ old, also take Synthroid, and have Nausea.

The phase IV clinical study analyzes which people have Abnormal behaviour when taking Macrobid. It is created by eHealthMe based on reports of 8,335 people who have side effects when taking Macrobid from the FDA, and is updated regularly.

What is Macrobid?

Macrobid has active ingredients of nitrofurantoin; nitrofurantoin, macrocrystalline. It is often used in urinary tract infection. eHealthMe is studying from 9,214 Macrobid users. Check the latest studies of Macrobid.

What is Abnormal behaviour?

Abnormal behaviour is found to be associated with 1,899 drugs and 2,152 conditions by eHealthMe. Check the latest studies of Abnormal behaviour.

On Nov, 06, 2025

8,335 people reported to have side effects when taking Macrobid.
Among them, 12 people (0.14%) have Abnormal behaviour.

Could Macrobid cause Abnormal behaviour?

Among these 12 people:

What is the gender of people who have Abnormal behaviour when taking Macrobid? *

female: 75 %
male: 25 %

What is the age of people who have Abnormal behaviour when taking Macrobid? *

What are other drugs people take besides Macrobid? *

What are other side effects people have besides Abnormal behaviour? *

Nausea (feeling of having an urge to vomit): 6 people, 50.00%
Insomnia (sleeplessness): 4 people, 33.33%
Stress And Anxiety: 4 people, 33.33%
Agitation (state of anxiety or nervous excitement): 4 people, 33.33%
Pain In Extremity: 4 people, 33.33%
Depression: 4 people, 33.33%
Hallucinations (sensations that appear real but are created by your mind): 4 people, 33.33%
Influenza Like Illness: 3 people, 25.00%
Overdose: 3 people, 25.00%
Pain: 3 people, 25.00%

What are the existing conditions these people have? *

Insomnia (sleeplessness): 2 people, 16.67%
Bipolar I Disorder (mood disorder that is characterized by at least one manic or mixed episode): 2 people, 16.67%
Depression: 2 people, 16.67%
Nausea (feeling of having an urge to vomit): 2 people, 16.67%
Thyroid Diseases: 1 person, 8.33%
Dizziness: 1 person, 8.33%
Erysipelas (bacterial skin infection): 1 person, 8.33%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 8.33%
Grand Mal Convulsion (a type of generalized seizure that affects the entire brain): 1 person, 8.33%
Hypokalemia (low potassium): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Macrobid and have Abnormal behaviour?

- Check whether Abnormal behaviour 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 Macrobid:

Macrobid (9,214 reports)

Abnormal behaviour treatments and more:

Abnormal behaviour (51,307 reports)

How severe was Abnormal behaviour and when was it recovered:

Abnormal behaviour in Macrobid

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

Abnormal behaviour and drugs with ingredients of nitrofurantoin; 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 Macrobid:

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 Abnormal behaviour:

Abnormal behaviour (1,899 drugs)

Browse all the conditions that are associated with Abnormal behaviour:

Abnormal behaviour (2,152 conditions)

Drugs similar to Macrobid and Abnormal behaviour :

How the study uses the data?

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