1. Home
  2. Analysis
  3. Ms-contin
  4. Muscle-twitching

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

Summary:

Muscle twitching is reported as a side effect among people who take Ms contin (morphine sulfate), especially for people who are female, 50-59 old, have been taking the drug for 1 - 6 months also take Dilaudid, and have Stress and anxiety.

The phase IV clinical study analyzes which people have Muscle twitching when taking Ms contin. It is created by eHealthMe based on reports of 68,873 people who have side effects when taking Ms contin from the FDA, and is updated regularly.

What is Ms contin?

Ms contin has active ingredients of morphine sulfate. It is often used in pain. eHealthMe is studying from 69,289 Ms contin users. Check the latest studies of Ms contin.

What is Muscle twitching?

Muscle twitching is found to be associated with 1,240 drugs and 1,905 conditions by eHealthMe. Check the latest studies of Muscle twitching.

On Jul, 25, 2026

68,873 people reported to have side effects when taking Ms contin.
Among them, 59 people (0.09%) have Muscle twitching.

Could Ms contin cause Muscle twitching?

Among these 59 people:

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

  • < 1 month: 0.0 %
  • 1 - 6 months: 50 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 50 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

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

  • female: 56.14 %
  • male: 43.86 %

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

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 5.0 %
  • 30-39: 10.0 %
  • 40-49: 27.5 %
  • 50-59: 30.0 %
  • 60+: 27.5 %

What are other drugs people take besides Ms contin? *

  1. Dilaudid: 19 people, 32.20%
  2. Oxycontin: 17 people, 28.81%
  3. Neurontin: 13 people, 22.03%
  4. Morphine Sulfate: 12 people, 20.34%
  5. Hydrocodone Bitartrate And Acetaminophen: 8 people, 13.56%
  6. Vicodin: 8 people, 13.56%
  7. Paxil: 8 people, 13.56%
  8. Synthroid: 8 people, 13.56%
  9. Oxycodone Hydrochloride: 7 people, 11.86%
  10. Oxycodone: 6 people, 10.17%

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

  1. Confusional State: 20 people, 33.90%
  2. Drug Dependence: 19 people, 32.20%
  3. Drug Withdrawal Syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation): 15 people, 25.42%
  4. Weakness: 13 people, 22.03%
  5. Memory Loss: 13 people, 22.03%
  6. Tremor (trembling or shaking movements in one or more parts of your body): 12 people, 20.34%
  7. Overdose: 12 people, 20.34%
  8. Fall: 11 people, 18.64%
  9. Headache (pain in head): 11 people, 18.64%
  10. Mental Status Changes (general changes in brain function, such as confusion, amnesia (memory loss), loss of alertness, loss of orientation): 10 people, 16.95%

What are the existing conditions these people have? *

  1. Stress And Anxiety: 5 people, 8.47%
  2. Nausea (feeling of having an urge to vomit): 4 people, 6.78%
  3. Neuropathy Peripheral (surface nerve damage): 4 people, 6.78%
  4. Depression: 4 people, 6.78%
  5. Metastasis (spreadable cancer to other organ from origin): 3 people, 5.08%
  6. Impaired Gastric Emptying: 2 people, 3.39%
  7. Lung Cancer - Non-Small Cell (lung cancer): 2 people, 3.39%
  8. Metastases To Central Nervous System (cancer spreads to central nervous system): 2 people, 3.39%
  9. Sleep Disorder: 2 people, 3.39%
  10. Nasopharyngitis (inflammation of the nasopharynx): 2 people, 3.39%

* Approximation only. Some reports may have incomplete information.

Do you take Ms contin 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 Ms contin:

Muscle twitching treatments and more:

How severe was Muscle twitching and when was it recovered:

Expand to all the drugs that have ingredients of morphine sulfate:

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 Ms contin:

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:

Browse all the conditions that are associated with Muscle twitching:

Related publications that referenced our studies

How the study uses the data?

The study uses data from the FDA. It is based on morphine sulfate (the active ingredients of Ms contin) and Ms contin (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.

Recent studies on eHealthMe:

© 2026 eHealthMe.com. All rights reserved. Use of this site constitutes acceptance of eHealthMe.com's terms of service and privacy policy.