Macrobid and Pharyngeal oedema - a phase IV clinical study of FDA data

Summary:

Pharyngeal oedema 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 Cymbalta, and have Diverticulum.

The phase IV clinical study analyzes which people have Pharyngeal oedema 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 Pharyngeal oedema?

Pharyngeal oedema (abnormal accumulation of fluid in the cavities and intercellular spaces of the pharyngeal) is found to be associated with 988 drugs and 1,209 conditions by eHealthMe. Check the latest studies of Pharyngeal oedema.

On Jul, 07, 2026

8,335 people reported to have side effects when taking Macrobid.
Among them, 19 people (0.23%) have Pharyngeal oedema.

Among these 19 people:

How long have people been on Macrobid when they have Pharyngeal oedema? *

What is the gender of people who have Pharyngeal oedema when taking Macrobid? *

female: 94.74 %
male: 5.26 %

What is the age of people who have Pharyngeal oedema when taking Macrobid? *

What are other drugs people take besides Macrobid? *

What are other side effects people have besides Pharyngeal oedema? *

Dizziness: 7 people, 36.84%
Swollen Tongue (swelling of tongue): 6 people, 31.58%
Headache (pain in head): 6 people, 31.58%
Photopsia (presence of perceived flashes of light): 5 people, 26.32%
Swallowing Difficulty: 5 people, 26.32%
Dry Mouth: 5 people, 26.32%
Nausea (feeling of having an urge to vomit): 5 people, 26.32%
Vision Blurred: 4 people, 21.05%
Joint Pain: 4 people, 21.05%
Indigestion: 4 people, 21.05%

What are the existing conditions these people have? *

Diverticulum (out pouching of a hollow (or a fluid-filled) structure in the body): 5 people, 26.32%
Quadriplegia (a four limb paralysis): 4 people, 21.05%
High Blood Pressure: 2 people, 10.53%
Type 2 Diabetes: 1 person, 5.26%
Insomnia (sleeplessness): 1 person, 5.26%
Constipation: 1 person, 5.26%
Depression: 1 person, 5.26%
Diarrhea: 1 person, 5.26%
Dyslipidaemia (abnormal amount of lipids): 1 person, 5.26%
Hyperkeratosis (thickening of the outer layer of the skin): 1 person, 5.26%

* Approximation only. Some reports may have incomplete information.

Do you take Macrobid and have Pharyngeal oedema?

- Check whether Pharyngeal oedema 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)

Pharyngeal oedema treatments and more:

Pharyngeal oedema (19,077 reports)

How severe was Pharyngeal oedema and when was it recovered:

Pharyngeal oedema in Macrobid

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

Pharyngeal oedema 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 Pharyngeal oedema:

Pharyngeal oedema (988 drugs)

Browse all the conditions that are associated with Pharyngeal oedema:

Pharyngeal oedema (1,209 conditions)

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.