Ketamine hcl and Muscle spasms - a phase IV clinical study of FDA data


Muscle spasms is found among people who take Ketamine hcl, especially for people who are male, 50-59 old, have been taking the drug for < 1 month.

The phase IV clinical study analyzes which people take Ketamine hcl and have Muscle spasms. It is created by eHealthMe based on reports of 1,739 people who have side effects when taking Ketamine hcl 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 Sep, 28, 2022

1,739 people reported to have side effects when taking Ketamine hcl.
Among them, 19 people (1.09%) have Muscle spasms.

What is Ketamine hcl?

Ketamine hcl has active ingredients of ketamine hydrochloride. It is often used in pain. eHealthMe is studying from 1,819 Ketamine hcl users for its effectiveness, alternative drugs and more.

What is Muscle spasms?

Muscle spasms (muscle contraction) is found to be associated with 3,434 drugs and 2,983 conditions by eHealthMe.

Number of Ketamine hcl and Muscle spasms reports submitted per year:

Could Ketamine hcl cause Muscle spasms?

Time on Ketamine hcl when people have Muscle spasms *:

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Muscle spasms when taking Ketamine hcl *:

  • female: 33.33 %
  • male: 66.67 %

Age of people who have Muscle spasms when taking Ketamine hcl *:

  • 0-1: 0.0 %
  • 2-9: 7.14 %
  • 10-19: 7.14 %
  • 20-29: 7.14 %
  • 30-39: 7.14 %
  • 40-49: 14.29 %
  • 50-59: 50.0 %
  • 60+: 7.14 %

Common drugs people take besides Ketamine hcl *:

  1. Percocet: 7 people, 36.84%
  2. Fentanyl: 5 people, 26.32%
  3. Neurontin: 5 people, 26.32%
  4. Lidocaine: 5 people, 26.32%
  5. Gabapentin: 5 people, 26.32%
  6. Zometa: 4 people, 21.05%
  7. Ms Contin: 4 people, 21.05%
  8. Meclizine: 4 people, 21.05%
  9. Zofran: 4 people, 21.05%
  10. Nystatin: 4 people, 21.05%

Common side effects people have besides Muscle spasms *:

  1. Constipation: 5 people, 26.32%
  2. Stress And Anxiety: 5 people, 26.32%
  3. Altered State Of Consciousness (altered state of mind): 5 people, 26.32%
  4. Nausea And Vomiting: 5 people, 26.32%
  5. Myoclonus (a brief, involuntary twitching of a muscle or a group of muscles): 5 people, 26.32%
  6. Fatigue (feeling of tiredness): 5 people, 26.32%
  7. Back Pain: 5 people, 26.32%
  8. Impaired Healing: 4 people, 21.05%
  9. Osteonecrosis Of Jaw (death of bone of jaw): 4 people, 21.05%
  10. Dental Caries: 4 people, 21.05%

Common conditions people have *:

  1. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 4 people, 21.05%
  2. Breast Cancer: 4 people, 21.05%
  3. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 3 people, 15.79%
  4. Suicide Attempt: 2 people, 10.53%
  5. Rickets (softening of bones): 1 person, 5.26%
  6. Neuralgia (pain in one or more nerves): 1 person, 5.26%
  7. Nausea And Vomiting: 1 person, 5.26%
  8. Nausea (feeling of having an urge to vomit): 1 person, 5.26%
  9. High Blood Pressure: 1 person, 5.26%
  10. Asthma: 1 person, 5.26%

* Approximation only. Some reports may have incomplete information.

Do you take Ketamine hcl and have Muscle spasms?

Check whether Muscle spasms 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 spasms and when was it recovered:

Expand to all the drugs that have ingredients of ketamine hydrochloride:

Alternative drugs to, pros and cons of Ketamine hcl:

Common Ketamine hcl side effects:

Browse all side effects of Ketamine hcl:

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Muscle spasms treatments and more:

COVID vaccines that are related to Muscle spasms:

Common drugs associated with Muscle spasms:

All the drugs that are associated with Muscle spasms:

Common conditions associated with Muscle spasms:

All the conditions that are associated with Muscle spasms:

How the study uses the data?

The study uses data from the FDA. It is based on ketamine hydrochloride (the active ingredients of Ketamine hcl) and Ketamine hcl (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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