Macrobid and Tendon injury - a phase IV clinical study of FDA data

Summary:

Tendon injury 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 - 6 months also take Ambien, and have Pain.

The phase IV clinical study analyzes which people have Tendon injury 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 Tendon injury?

Tendon injury is found to be associated with 434 drugs and 593 conditions by eHealthMe. Check the latest studies of Tendon injury.

On Jul, 15, 2026

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

Among these 29 people:

How long have people been on Macrobid when they have Tendon injury? *

What is the gender of people who have Tendon injury when taking Macrobid? *

female: 93.1 %
male: 6.9 %

What is the age of people who have Tendon injury when taking Macrobid? *

What are other drugs people take besides Macrobid? *

Ambien: 22 people, 75.86%
Synthroid: 16 people, 55.17%
Prilosec: 16 people, 55.17%
Cimetidine: 16 people, 55.17%
Diovan: 16 people, 55.17%
Zolpidem: 14 people, 48.28%
Pyridoxine Hydrochloride: 13 people, 44.83%
Protonix: 12 people, 41.38%
Zometa: 11 people, 37.93%
Lexapro: 11 people, 37.93%

What are other side effects people have besides Tendon injury? *

Memory Loss: 22 people, 75.86%
Oedema Peripheral (superficial swelling): 21 people, 72.41%
Fall: 18 people, 62.07%
Muscle Injury: 18 people, 62.07%
Fatigue (feeling of tiredness): 17 people, 58.62%
Back Pain: 16 people, 55.17%
Muscle Spasms (muscle contraction): 16 people, 55.17%
Joint Injury: 15 people, 51.72%
Tendonitis (a condition that causes pain and swelling of tendons): 13 people, 44.83%
Swelling: 12 people, 41.38%

What are the existing conditions these people have? *

Pain: 12 people, 41.38%
Allergic Rhinitis: 11 people, 37.93%
Hot Flush (sudden feelings of heat): 11 people, 37.93%
Breast Cancer: 11 people, 37.93%
Sinusitis (inflammation of sinus): 11 people, 37.93%
Restless Leg Syndrome (a powerful urge to move your legs): 11 people, 37.93%
Depression: 11 people, 37.93%
Osteoarthritis (a joint disease caused by cartilage loss in a joint): 11 people, 37.93%
Fibromyalgia (a long-term condition which causes pain all over the body): 11 people, 37.93%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 11 people, 37.93%

* Approximation only. Some reports may have incomplete information.

Do you take Macrobid and have Tendon injury?

- Check whether Tendon injury 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)

Tendon injury treatments and more:

Tendon injury (4,624 reports)

How severe was Tendon injury and when was it recovered:

Tendon injury in Macrobid

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

Tendon injury and drugs with ingredients of nitrofurantoin; nitrofurantoin, macrocrystalline (30 reports)

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 Tendon injury:

Tendon injury (434 drugs)

Browse all the conditions that are associated with Tendon injury:

Tendon injury (593 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.