Lysine and Confusional state - a phase IV clinical study of FDA data

Summary:

Confusional state is reported as a side effect among people who take Lysine (lysine), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Vitamin C, and have Narcolepsy.

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

What is Lysine?

Lysine has active ingredients of lysine. It is often used in herpes labialis (oral herpes simplex). eHealthMe is studying from 16,524 Lysine users. Check the latest studies of Lysine.

What is Confusional state?

Confusional state is found to be associated with 2,722 drugs and 3,320 conditions by eHealthMe. Check the latest studies of Confusional state.

On Jul, 19, 2026

15,985 people reported to have side effects when taking Lysine.
Among them, 97 people (0.61%) have Confusional state.

Among these 97 people:

How long have people been on Lysine when they have Confusional state? *

What is the gender of people who have Confusional state when taking Lysine? *

female: 61.8 %
male: 38.2 %

What is the age of people who have Confusional state when taking Lysine? *

What are other drugs people take besides Lysine? *

What are other side effects people have besides Confusional state? *

Memory Loss: 26 people, 26.80%
Fatigue (feeling of tiredness): 21 people, 21.65%
Nausea (feeling of having an urge to vomit): 18 people, 18.56%
Gait Disturbance: 18 people, 18.56%
Drowsiness: 16 people, 16.49%
Dizziness: 16 people, 16.49%
Diarrhea: 16 people, 16.49%
Headache (pain in head): 15 people, 15.46%
Seizures (abnormal excessive or synchronous neuronal activity in the brain): 12 people, 12.37%
Feeling Abnormal: 12 people, 12.37%

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 11 people, 11.34%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 9 people, 9.28%
High Blood Cholesterol: 7 people, 7.22%
Diabetes: 6 people, 6.19%
Cystic Fibrosis (disease of the secretary glands): 6 people, 6.19%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 5 people, 5.15%
Insomnia (sleeplessness): 5 people, 5.15%
Cardiac Disorder: 5 people, 5.15%
Musculoskeletal Chest Pain (pain in chest muscle or nerve or bones): 5 people, 5.15%
Neuropathy Peripheral (surface nerve damage): 5 people, 5.15%

* Approximation only. Some reports may have incomplete information.

Do you take Lysine and have Confusional state?

- Check whether Confusional state 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 Lysine:

Lysine (16,524 reports)

Confusional state treatments and more:

Confusional state (182,510 reports)

Browse all side effects of Lysine:

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 Confusional state:

Confusional state (2,722 drugs)

Browse all the conditions that are associated with Confusional state:

Confusional state (3,320 conditions)

How the study uses the data?

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