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Macrobid and Qsymia drug interactions - a phase IV clinical study of FDA data

Summary:

The phase IV clinical study analyzes what interactions people have when they take Macrobid and Qsymia. It is created by eHealthMe based on reports of 3 people who take the same drugs 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 Qsymia?

Qsymia has active ingredients of phentermine hydrochloride; topiramate. It is often used in weight loss. eHealthMe is studying from 4,529 Qsymia users. Check the latest studies of Qsymia.

On Jul, 04, 2025

3 people who take Macrobid and Qsymia together, and have interactions are studied.

Macrobid and Qsymia drug interactions.

What are the common drug interactions of Macrobid and Qsymia, by gender? *:

female:

  1. Depression
  2. Post-traumatic stress disorder
  3. Surgery
  4. Chronic kidney disease
  5. Drug ineffective

male:

n/a

What are the common drug interactions of Macrobid and Qsymia, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

  1. Chronic kidney disease

50-59:

n/a

60+:

n/a

* Approximation only. Some reports may have incomplete information.

Do you take Macrobid and Qsymia?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

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 side effects of Qsymia:

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 interactions between Macrobid and drugs from A to Z:

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 interactions between Qsymia and drugs from A to Z:

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

How the study uses the data?

The study uses data from the FDA. It is based on nitrofurantoin; nitrofurantoin, macrocrystalline and phentermine hydrochloride; topiramate (the active ingredients of Macrobid and Qsymia, respectively), and Macrobid and Qsymia (the brand names). 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.

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