Donepezil and Muscle twitching - a phase IV clinical study of FDA data

Summary:

Muscle twitching is reported as a side effect among people who take Donepezil (donepezil hydrochloride), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Ventolin, and have Dementia alzheimer's type.

The phase IV clinical study analyzes which people have Muscle twitching when taking Donepezil. It is created by eHealthMe based on reports of 24,262 people who have side effects when taking Donepezil from the FDA, and is updated regularly.

What is Donepezil?

Donepezil has active ingredients of donepezil hydrochloride. It is often used in dementia. eHealthMe is studying from 24,564 Donepezil users. Check the latest studies of Donepezil.

What is Muscle twitching?

Muscle twitching is found to be associated with 1,236 drugs and 1,905 conditions by eHealthMe. Check the latest studies of Muscle twitching.

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 Aug, 31, 2026

24,262 people reported to have side effects when taking Donepezil.
Among them, 50 people (0.21%) have Muscle twitching.

Among these 50 people:

How long have people been on Donepezil when they have Muscle twitching? *

What is the gender of people who have Muscle twitching when taking Donepezil? *

female: 66.67 %
male: 33.33 %

What is the age of people who have Muscle twitching when taking Donepezil? *

What are other drugs people take besides Donepezil? *

What are other side effects people have besides Muscle twitching? *

Nausea And Vomiting: 13 people, 26.00%
Diarrhea: 10 people, 20.00%
Heart Rate Decreased: 9 people, 18.00%
Dyskinesia (abnormality or impairment of voluntary movement): 9 people, 18.00%
Body Temperature Decreased: 9 people, 18.00%
Agitation (state of anxiety or nervous excitement): 8 people, 16.00%
Tremor (trembling or shaking movements in one or more parts of your body): 7 people, 14.00%
Limb Discomfort (discomfort in leg): 7 people, 14.00%
Constipation: 6 people, 12.00%
Muscle Spasms (muscle contraction): 6 people, 12.00%

What are the existing conditions these people have? *

Dementia Alzheimer's Type (loss of mental ability with alzheimer's symptom): 14 people, 28.00%
Pain: 7 people, 14.00%
Depression: 5 people, 10.00%
Parkinson's Disease: 5 people, 10.00%
High Blood Pressure: 5 people, 10.00%
Cognitive Disorder (mental health disorders affects learning, memory, perception, and problem solving): 4 people, 8.00%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 4 people, 8.00%
Muscle Spasms (muscle contraction): 4 people, 8.00%
Nausea (feeling of having an urge to vomit): 3 people, 6.00%
Diabetic Neuropathy (neuropathic disorders that are associated with diabetes mellitus): 3 people, 6.00%

* Approximation only. Some reports may have incomplete information.

Do you take Donepezil and have Muscle twitching?

- Check whether Muscle twitching 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 Donepezil:

Donepezil (24,564 reports)

Muscle twitching treatments and more:

Muscle twitching (29,030 reports)

Browse all side effects of Donepezil:

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 Muscle twitching:

Muscle twitching (1,236 drugs)

Browse all the conditions that are associated with Muscle twitching:

Muscle twitching (1,905 conditions)

How the study uses the data?

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