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


Muscle twitching is found among people who take Carnitine, especially for people who are male, 10-19 old.

The phase IV clinical study analyzes which people take Carnitine and have Muscle twitching. It is created by eHealthMe based on reports of 1,581 people who have side effects when taking Carnitine from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Feb, 06, 2023

1,581 people reported to have side effects when taking Carnitine.
Among them, 10 people (0.63%) have Muscle twitching.

What is Carnitine?

Carnitine has active ingredients of l - carnitine. eHealthMe is studying from 1,683 Carnitine users for its effectiveness, alternative drugs and more.

What is Muscle twitching?

Muscle twitching is found to be associated with 2,402 drugs and 1,791 conditions by eHealthMe.

Number of Carnitine and Muscle twitching reports submitted per year:

Could Carnitine cause Muscle twitching?

Gender of people who have Muscle twitching when taking Carnitine *:

  • female: 50 %
  • male: 50 %

Age of people who have Muscle twitching when taking Carnitine *:

  • 0-1: 0.0 %
  • 2-9: 14.29 %
  • 10-19: 28.57 %
  • 20-29: 0.0 %
  • 30-39: 14.29 %
  • 40-49: 14.29 %
  • 50-59: 14.29 %
  • 60+: 14.29 %

Common drugs people take besides Carnitine *:

  1. Vitamin D3: 4 people, 40.00%
  2. Klonopin: 4 people, 40.00%
  3. Fish Oil: 3 people, 30.00%
  4. Ampyra: 3 people, 30.00%
  5. Xyrem: 2 people, 20.00%
  6. Onfi: 2 people, 20.00%
  7. Fintepla: 2 people, 20.00%
  8. Diastat: 2 people, 20.00%
  9. Epidiolex: 2 people, 20.00%
  10. Tecfidera: 2 people, 20.00%

Common side effects people have besides Muscle twitching *:

  1. Drowsiness: 3 people, 30.00%
  2. Insomnia (sleeplessness): 3 people, 30.00%
  3. Skin Blushing/flushing (a sudden reddening of the face, neck): 2 people, 20.00%
  4. Muscle Spasms (muscle contraction): 2 people, 20.00%
  5. Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect): 2 people, 20.00%
  6. Seizures (abnormal excessive or synchronous neuronal activity in the brain): 2 people, 20.00%
  7. Weight Decreased: 2 people, 20.00%
  8. Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 2 people, 20.00%
  9. Visual Acuity Reduced (reduced clearness of vision): 2 people, 20.00%
  10. Chest Pain: 1 person, 10.00%

Common conditions people have *:

  1. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 30.00%
  2. Sneezing: 2 people, 20.00%
  3. Sleep Disorder: 2 people, 20.00%
  4. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 2 people, 20.00%
  5. Gait Disturbance: 2 people, 20.00%
  6. Testicular Pain (pain in testes): 1 person, 10.00%
  7. Stress And Anxiety: 1 person, 10.00%
  8. Premenstrual Syndrome: 1 person, 10.00%
  9. Hyperglycemia (high blood sugar): 1 person, 10.00%
  10. Drowsiness: 1 person, 10.00%

* Approximation only. Some reports may have incomplete information.

Do you take Carnitine and have Muscle twitching?

Check whether Muscle twitching is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related studies

How severe was Muscle twitching and when was it recovered:

Expand to all the drugs that have ingredients of l - carnitine:

Alternative drugs to, pros and cons of Carnitine:

Common Carnitine side effects:

Browse all side effects of Carnitine:

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

Muscle twitching treatments and more:

COVID vaccines that are related to Muscle twitching:

Common drugs associated with Muscle twitching:

All the drugs that are associated with Muscle twitching:

Common conditions associated with Muscle twitching:

All the conditions that are associated with Muscle twitching:

How the study uses the data?

The study uses data from the FDA. It is based on l - carnitine (the active ingredients of Carnitine) and Carnitine (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.

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on 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.

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