Mucinex d and Memory loss - a phase IV clinical study of FDA data

Summary:

Memory loss is reported as a side effect among people who take Mucinex d (guaifenesin; pseudoephedrine hydrochloride), especially for people who are female, 60+ old, also take Xyrem, and have Narcolepsy.

The phase IV clinical study analyzes which people have Memory loss when taking Mucinex d. It is created by eHealthMe based on reports of 1,430 people who have side effects when taking Mucinex d from the FDA, and is updated regularly.

What is Mucinex d?

Mucinex d has active ingredients of guaifenesin; pseudoephedrine hydrochloride. It is often used in sinus congestion. eHealthMe is studying from 1,926 Mucinex d users. Check the latest studies of Mucinex d.

What is Memory loss?

Memory loss is found to be associated with 2,730 drugs and 4,375 conditions by eHealthMe. Check the latest studies of Memory loss.

On Jun, 03, 2026

1,430 people reported to have side effects when taking Mucinex d.
Among them, 23 people (1.61%) have Memory loss.

Among these 23 people:

What is the gender of people who have Memory loss when taking Mucinex d? *

female: 100 %
male: 0.0 %

What is the age of people who have Memory loss when taking Mucinex d? *

What are other drugs people take besides Mucinex d? *

What are other side effects people have besides Memory loss? *

Weight Decreased: 12 people, 52.17%
Fatigue (feeling of tiredness): 9 people, 39.13%
Diarrhea: 8 people, 34.78%
Dizziness: 8 people, 34.78%
Joint Pain: 8 people, 34.78%
Nausea (feeling of having an urge to vomit): 8 people, 34.78%
Abdominal Discomfort: 7 people, 30.43%
Incontinence (lack of moderation or self-control): 7 people, 30.43%
Headache (pain in head): 7 people, 30.43%
Tremor (trembling or shaking movements in one or more parts of your body): 7 people, 30.43%

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 15 people, 65.22%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 13 people, 56.52%
Drowsiness: 6 people, 26.09%
Pain: 3 people, 13.04%
Blood Pressure Abnormal: 3 people, 13.04%
Breast Cancer Female: 3 people, 13.04%
Cardiac Disorder: 3 people, 13.04%
Insomnia (sleeplessness): 3 people, 13.04%
Hypersensitivity: 3 people, 13.04%
Diabetes: 3 people, 13.04%

* Approximation only. Some reports may have incomplete information.

Do you take Mucinex d and have Memory loss?

- Check whether Memory loss 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 Mucinex d:

Mucinex d (1,926 reports)

Memory loss treatments and more:

Memory loss (244,444 reports)

How severe was Memory loss and when was it recovered:

Memory loss in Mucinex d

Expand to all the drugs that have ingredients of guaifenesin; pseudoephedrine hydrochloride:

Memory loss and drugs with ingredients of guaifenesin; pseudoephedrine hydrochloride

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 Mucinex d:

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 Memory loss:

Memory loss (2,730 drugs)

Browse all the conditions that are associated with Memory loss:

Memory loss (4,375 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on guaifenesin; pseudoephedrine hydrochloride (the active ingredients of Mucinex d) and Mucinex d (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.