Lys and Cardiac arrest - a phase IV clinical study of FDA data

Summary:

Cardiac arrest is reported as a side effect among people who take Lys (lysine), especially for people who are male, 50-59 old, have been taking the drug for 6 - 12 months also take Glutamic Acid, and have Overdose.

The phase IV clinical study analyzes which people have Cardiac arrest when taking Lys. It is created by eHealthMe based on reports of 15,985 people who have side effects when taking Lys from the FDA, and is updated regularly.

What is Lys?

Lys has active ingredients of lysine. eHealthMe is studying from 16,532 Lys users. Check the latest studies of Lys.

What is Cardiac arrest?

Cardiac arrest is found to be associated with 2,233 drugs and 2,512 conditions by eHealthMe. Check the latest studies of Cardiac arrest.

On Jul, 20, 2026

15,985 people reported to have side effects when taking Lys.
Among them, 37 people (0.23%) have Cardiac arrest.

Among these 37 people:

How long have people been on Lys when they have Cardiac arrest? *

What is the gender of people who have Cardiac arrest when taking Lys? *

female: 11.76 %
male: 88.24 %

What is the age of people who have Cardiac arrest when taking Lys? *

What are other drugs people take besides Lys? *

Threonine: 21 people, 56.76%
Phenylalanine: 21 people, 56.76%
Histidine: 21 people, 56.76%
Valine: 21 people, 56.76%
Glutamic Acid: 21 people, 56.76%
Methylene Blue: 17 people, 45.95%
Activated Charcoal: 17 people, 45.95%
Aspartic Acid: 17 people, 45.95%
Verapamil Hydrochloride: 17 people, 45.95%
Vasopressin: 17 people, 45.95%

What are other side effects people have besides Cardiac arrest? *

Hypotension (abnormally low blood pressure): 23 people, 62.16%
Vasoplegia Syndrome (low systemic vascular resistance): 21 people, 56.76%
Overdose: 21 people, 56.76%
Bradycardia (abnormally slow heart action): 21 people, 56.76%
Cardiogenic Shock (inadequate circulation of blood): 21 people, 56.76%
Coma Scale Abnormal: 21 people, 56.76%
Compartment Syndrome (painful condition that occurs when pressure within the muscles builds to dangerous levels): 21 people, 56.76%
Intestinal Obstruction: 21 people, 56.76%
Lactic Acidosis (low ph in body tissues): 21 people, 56.76%
Hyperkalemia (damage to or disease of the kidney): 21 people, 56.76%

What are the existing conditions these people have? *

Overdose: 20 people, 54.05%
Chest Pain: 4 people, 10.81%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 3 people, 8.11%
High Blood Pressure: 2 people, 5.41%
Pneumonia: 2 people, 5.41%
Cystic Fibrosis (disease of the secretary glands): 2 people, 5.41%
Hepatocellular Carcinoma (liver cancer): 2 people, 5.41%
Weakness: 1 person, 2.70%
Bronchiectasis (abnormal widening of the bronchi or their branches, causing a risk of infection): 1 person, 2.70%
Cardiac Disorder: 1 person, 2.70%

* Approximation only. Some reports may have incomplete information.

Do you take Lys and have Cardiac arrest?

- Check whether Cardiac arrest 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 Lys:

Lys (16,532 reports)

Cardiac arrest treatments and more:

Cardiac arrest (101,931 reports)

Browse all side effects of Lys:

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 Cardiac arrest:

Cardiac arrest (2,233 drugs)

Browse all the conditions that are associated with Cardiac arrest:

Cardiac arrest (2,512 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on lysine (the active ingredients of Lys) and Lys (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.