Robitussin and Speech disorder - a phase IV clinical study of FDA data

Summary:

Speech disorder is reported as a side effect among people who take Robitussin (guaifenesin), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Tylenol, and have Cough.

The phase IV clinical study analyzes which people have Speech disorder when taking Robitussin. It is created by eHealthMe based on reports of 3,522 people who have side effects when taking Robitussin from the FDA, and is updated regularly.

What is Robitussin?

Robitussin has active ingredients of guaifenesin. eHealthMe is studying from 3,532 Robitussin users. Check the latest studies of Robitussin.

What is Speech disorder?

Speech disorder is found to be associated with 1,809 drugs and 2,279 conditions by eHealthMe. Check the latest studies of Speech disorder.

On Jul, 04, 2026

3,522 people reported to have side effects when taking Robitussin.
Among them, 18 people (0.51%) have Speech disorder.

Among these 18 people:

How long have people been on Robitussin when they have Speech disorder? *

What is the gender of people who have Speech disorder when taking Robitussin? *

female: 68.75 %
male: 31.25 %

What is the age of people who have Speech disorder when taking Robitussin? *

What are other drugs people take besides Robitussin? *

What are other side effects people have besides Speech disorder? *

Malaise (a feeling of general discomfort or uneasiness): 5 people, 27.78%
Pain: 5 people, 27.78%
Vision Blurred: 4 people, 22.22%
Dyskinesia (abnormality or impairment of voluntary movement): 4 people, 22.22%
Oropharyngeal Pain: 4 people, 22.22%
Insomnia (sleeplessness): 3 people, 16.67%
Constipation: 3 people, 16.67%
Fall: 3 people, 16.67%
High Blood Pressure: 3 people, 16.67%
Cough: 3 people, 16.67%

What are the existing conditions these people have? *

Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 4 people, 22.22%
Cough: 4 people, 22.22%
Parkinson's Disease: 3 people, 16.67%
Depression: 3 people, 16.67%
Sleep Disorder: 3 people, 16.67%
Dry Throat: 2 people, 11.11%
Nasal Congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels): 2 people, 11.11%
Nasopharyngitis (inflammation of the nasopharynx): 2 people, 11.11%
Neuralgia (pain in one or more nerves): 2 people, 11.11%
Wheezing (a high-pitched whistling sound made while you breath): 2 people, 11.11%

* Approximation only. Some reports may have incomplete information.

Do you take Robitussin and have Speech disorder?

- Check whether Speech 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 Robitussin:

Robitussin (3,532 reports)

Speech disorder treatments and more:

Speech disorder (62,574 reports)

Browse all side effects of Robitussin:

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 Speech disorder:

Speech disorder (1,809 drugs)

Browse all the conditions that are associated with Speech disorder:

Speech disorder (2,279 conditions)

How the study uses the data?

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