Guaifenesin and Ill-defined disorder - a phase IV clinical study of FDA data

Summary:

Ill-defined disorder is reported as a side effect among people who take Guaifenesin (guaifenesin), especially for people who are female, 60+ old, also take Digoxin, and have Narcolepsy.

The phase IV clinical study analyzes which people have Ill-defined disorder when taking Guaifenesin. It is created by eHealthMe based on reports of 11,942 people who have side effects when taking Guaifenesin from the FDA, and is updated regularly.

What is Guaifenesin?

Guaifenesin has active ingredients of guaifenesin. It is often used in cough. eHealthMe is studying from 12,106 Guaifenesin users. Check the latest studies of Guaifenesin.

What is Ill-defined disorder?

Ill-defined disorder is found to be associated with 1,458 drugs and 1,260 conditions by eHealthMe. Check the latest studies of Ill-defined disorder.

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 Sep, 03, 2026

11,942 people reported to have side effects when taking Guaifenesin.
Among them, 64 people (0.54%) have Ill-defined disorder.

Could Guaifenesin cause Ill-defined disorder?

Among these 64 people:

What is the gender of people who have Ill-defined disorder when taking Guaifenesin? *

female: 77.05 %
male: 22.95 %

What is the age of people who have Ill-defined disorder when taking Guaifenesin? *

What are other drugs people take besides Guaifenesin? *

What are other side effects people have besides Ill-defined disorder? *

Dyspnea (difficult or laboured breathing): 23 people, 35.94%
Nausea (feeling of having an urge to vomit): 20 people, 31.25%
Diarrhea: 20 people, 31.25%
Injury: 20 people, 31.25%
Fatigue (feeling of tiredness): 20 people, 31.25%
Pneumonia: 19 people, 29.69%
Weight Decreased: 18 people, 28.12%
Nausea And Vomiting: 18 people, 28.12%
Dizziness: 17 people, 26.56%
Weakness: 16 people, 25.00%

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 7 people, 10.94%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 6 people, 9.38%
Pulmonary Hypertension (increase in blood pressure in the lung artery): 5 people, 7.81%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 4 people, 6.25%
Depression: 4 people, 6.25%
Immunodeficiency Common Variable: 3 people, 4.69%
Heart Rate Irregular: 3 people, 4.69%
Pain: 2 people, 3.12%
Nausea (feeling of having an urge to vomit): 2 people, 3.12%
Multiple Myeloma (cancer of the plasma cells): 2 people, 3.12%

* Approximation only. Some reports may have incomplete information.

Do you take Guaifenesin and have Ill-defined disorder?

- Check whether Ill-defined disorder 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 Guaifenesin:

Guaifenesin (12,106 reports)

Browse all side effects of Guaifenesin:

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 Ill-defined disorder:

Ill-defined disorder (1,458 drugs)

Browse all the conditions that are associated with Ill-defined disorder:

Ill-defined disorder (1,260 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on guaifenesin (the active ingredients of Guaifenesin) and Guaifenesin (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.