Ketalar and Drowsiness - a phase IV clinical study of FDA data

Summary:

Drowsiness is reported as a side effect among people who take Ketalar (ketamine hydrochloride), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Lyrica, and have Cancer pain.

The phase IV clinical study analyzes which people have Drowsiness when taking Ketalar. It is created by eHealthMe based on reports of 1,219 people who have side effects when taking Ketalar from the FDA, and is updated regularly.

What is Ketalar?

Ketalar has active ingredients of ketamine hydrochloride. eHealthMe is studying from 1,226 Ketalar users. Check the latest studies of Ketalar.

What is Drowsiness?

Drowsiness is found to be associated with 2,865 drugs and 4,797 conditions by eHealthMe. Check the latest studies of Drowsiness.

On Apr, 20, 2026

1,219 people reported to have side effects when taking Ketalar.
Among them, 17 people (1.39%) have Drowsiness.

Among these 17 people:

How long have people been on Ketalar when they have Drowsiness? *

What is the gender of people who have Drowsiness when taking Ketalar? *

female: 64.71 %
male: 35.29 %

What is the age of people who have Drowsiness when taking Ketalar? *

What are other drugs people take besides Ketalar? *

What are other side effects people have besides Drowsiness? *

Fever: 5 people, 29.41%
Insomnia (sleeplessness): 4 people, 23.53%
White Blood Cell Count Increased: 3 people, 17.65%
Blood Urea Increased: 3 people, 17.65%
Hypocalcaemia (levels of calcium in blood serum are abnormally low): 3 people, 17.65%
Dyspnea (difficult or laboured breathing): 3 people, 17.65%
Delirium (wild excitement): 3 people, 17.65%
Hypoaesthesia (reduced sense of touch or sensation): 2 people, 11.76%
Nausea (feeling of having an urge to vomit): 2 people, 11.76%
Neurotoxicity (when the exposure to natural or artificial toxic substances, which are called neurotoxins, alters the normal activity of the nervous system): 2 people, 11.76%

What are the existing conditions these people have? *

Cancer Pain: 12 people, 70.59%
Pain: 2 people, 11.76%
Constipation: 2 people, 11.76%
Transient Ischaemic Attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow)): 1 person, 5.88%
Gastritis (inflammation of stomach): 1 person, 5.88%
Agitation (state of anxiety or nervous excitement): 1 person, 5.88%
Allergies: 1 person, 5.88%
Cough: 1 person, 5.88%
Dyspnea (difficult or laboured breathing): 1 person, 5.88%
Headache (pain in head): 1 person, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Ketalar and have Drowsiness?

- Check whether Drowsiness 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 Ketalar:

Ketalar (1,226 reports)

Drowsiness treatments and more:

Drowsiness (269,040 reports)

Browse all side effects of Ketalar:

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 Drowsiness:

Drowsiness (2,865 drugs)

Browse all the conditions that are associated with Drowsiness:

Drowsiness (4,797 conditions)

How the study uses the data?

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