Macrobid and Febrile neutropenia - a phase IV clinical study of FDA data

Summary:

Febrile neutropenia is reported as a side effect among people who take Macrobid (nitrofurantoin; nitrofurantoin, macrocrystalline), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Compazine, and have Metastases to bone.

The phase IV clinical study analyzes which people have Febrile neutropenia 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 9,215 Macrobid users. Check the latest studies of Macrobid.

What is Febrile neutropenia?

Febrile neutropenia (fever with reduced white blood cells) is found to be associated with 1,586 drugs and 1,875 conditions by eHealthMe. Check the latest studies of Febrile neutropenia.

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, 26, 2026

8,335 people reported to have side effects when taking Macrobid.
Among them, 29 people (0.35%) have Febrile neutropenia.

Could Macrobid cause Febrile neutropenia?

Among these 29 people:

How long have people been on Macrobid when they have Febrile neutropenia? *

What is the gender of people who have Febrile neutropenia when taking Macrobid? *

female: 75 %
male: 25 %

What is the age of people who have Febrile neutropenia when taking Macrobid? *

What are other drugs people take besides Macrobid? *

What are other side effects people have besides Febrile neutropenia? *

Pain: 9 people, 31.03%
Pneumonia: 9 people, 31.03%
Fistula (an abnormal connection or passageway between two): 8 people, 27.59%
Joint Pain: 8 people, 27.59%
Pain In Jaw: 8 people, 27.59%
Abdominal Pain: 8 people, 27.59%
Osteomyelitis (infection of bone): 8 people, 27.59%
Facial Pain: 8 people, 27.59%
Emotional Distress: 8 people, 27.59%
Dyspnea (difficult or laboured breathing): 8 people, 27.59%

What are the existing conditions these people have? *

Metastases To Bone (cancer spreads to bone): 7 people, 24.14%
Stress And Anxiety: 6 people, 20.69%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 4 people, 13.79%
Musculoskeletal Stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves): 4 people, 13.79%
Nausea (feeling of having an urge to vomit): 3 people, 10.34%
Breast Cancer: 3 people, 10.34%
Psychotic Disorder: 3 people, 10.34%
Birth Control: 3 people, 10.34%
Schizoaffective Disorder (a mental disorder characterized by disordered thought): 3 people, 10.34%
Agitation (state of anxiety or nervous excitement): 3 people, 10.34%

* Approximation only. Some reports may have incomplete information.

Do you take Macrobid and have Febrile neutropenia?

- Check whether Febrile neutropenia 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 (9,215 reports)

Febrile neutropenia treatments and more:

Febrile neutropenia (78,162 reports)

How severe was Febrile neutropenia and when was it recovered:

Febrile neutropenia in Macrobid

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

Febrile neutropenia 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 Febrile neutropenia:

Febrile neutropenia (1,586 drugs)

Browse all the conditions that are associated with Febrile neutropenia:

Febrile neutropenia (1,875 conditions)

Related publications that referenced our studies

Yaylaci S, Yilmaz EU, Guclu E, Kumsar NA, Tamer A, Karabay O, "Clozapine-Induced Febrile Neutropenia and Cellulitis", Turkish journal of emergency medicine, 2014 Mar .
Yaylaci S, Yilmaz EU, Guclu E, Kumsar NA, Tamer A, Karabay O, "Clozapine-Induced Febrile Neutropenia and Cellulitis", Turkish journal of emergency medicine, 2014 Mar .

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.

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