Namenda and Obsessive-compulsive disorder - a phase IV clinical study of FDA data

Summary:

Obsessive-compulsive disorder is reported as a side effect among people who take Namenda (memantine hydrochloride), especially for people who are male, 40-49 old, also take Lexapro, and have Stress and anxiety.

The phase IV clinical study analyzes which people have Obsessive-compulsive disorder when taking Namenda. It is created by eHealthMe based on reports of 13,521 people who have side effects when taking Namenda from the FDA, and is updated regularly.

What is Namenda?

Namenda has active ingredients of memantine hydrochloride. It is often used in dementia. eHealthMe is studying from 14,283 Namenda users. Check the latest studies of Namenda.

What is Obsessive-compulsive disorder?

Obsessive-compulsive disorder (an anxiety disorder characterized by intrusive thoughts that produce uneasiness, apprehension, fear, or worry;) is found to be associated with 673 drugs and 1,312 conditions by eHealthMe. Check the latest studies of Obsessive-compulsive 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, 02, 2026

13,521 people reported to have side effects when taking Namenda.
Among them, 16 people (0.12%) have Obsessive-compulsive disorder.

Could Namenda cause Obsessive-compulsive disorder?

Among these 16 people:

What is the gender of people who have Obsessive-compulsive disorder when taking Namenda? *

female: 50 %
male: 50 %

What is the age of people who have Obsessive-compulsive disorder when taking Namenda? *

What are other drugs people take besides Namenda? *

What are other side effects people have besides Obsessive-compulsive disorder? *

Dyspnea (difficult or laboured breathing): 4 people, 25.00%
Dyskinesia (abnormality or impairment of voluntary movement): 4 people, 25.00%
Constipation: 4 people, 25.00%
Libido Increased (increased sexual urge to have sex): 4 people, 25.00%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 25.00%
Muscle Spasms (muscle contraction): 4 people, 25.00%
Blood Pressure Fluctuation: 4 people, 25.00%
Diverticulum Intestinal (a pouch that is attached to the first part of the small intestine): 3 people, 18.75%
Nausea And Vomiting: 3 people, 18.75%
Cough: 3 people, 18.75%

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 6 people, 37.50%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 6 people, 37.50%
Stress And Anxiety: 6 people, 37.50%
Major Depression (a mood state that goes well beyond temporarily feeling sad or blue. it is a serious medical illness that affects one's thoughts, feelings): 4 people, 25.00%
Sleep Disorder: 3 people, 18.75%
Affective Disorder (mental disorder): 3 people, 18.75%
Depression: 3 people, 18.75%
Pain: 3 people, 18.75%
High Blood Pressure: 2 people, 12.50%
Birth Control: 2 people, 12.50%

* Approximation only. Some reports may have incomplete information.

Do you take Namenda and have Obsessive-compulsive disorder?

- Check whether Obsessive-compulsive 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 Namenda:

Namenda (14,283 reports)

Browse all side effects of Namenda:

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 Obsessive-compulsive disorder:

Obsessive-compulsive disorder (673 drugs)

Browse all the conditions that are associated with Obsessive-compulsive disorder:

Obsessive-compulsive disorder (1,312 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on memantine hydrochloride (the active ingredients of Namenda) and Namenda (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.