Lysine and Hot flush - a phase IV clinical study of FDA data

Summary:

Hot flush is reported as a side effect among people who take Lysine (lysine), especially for people who are 60+ old, have been taking the drug for 1 - 6 months also take Vitamin C, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Hot flush 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 Hot flush?

Hot flush (sudden feelings of heat) is found to be associated with 1,767 drugs and 2,347 conditions by eHealthMe. Check the latest studies of Hot flush.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 26, 2026

15,985 people reported to have side effects when taking Lysine.
Among them, 76 people (0.48%) have Hot flush.

Among these 76 people:

How long have people been on Lysine when they have Hot flush? *

What is the age of people who have Hot flush when taking Lysine? *

What are other drugs people take besides Lysine? *

What are other side effects people have besides Hot flush? *

Fatigue (feeling of tiredness): 26 people, 34.21%
Nausea (feeling of having an urge to vomit): 20 people, 26.32%
Headache (pain in head): 18 people, 23.68%
Constipation: 17 people, 22.37%
Joint Pain: 15 people, 19.74%
Dizziness: 14 people, 18.42%
Insomnia (sleeplessness): 11 people, 14.47%
Skin Blushing/flushing (a sudden reddening of the face, neck): 11 people, 14.47%
Hair Loss: 11 people, 14.47%
Feeling Abnormal: 11 people, 14.47%

What are the existing conditions these people have? *

Breast Cancer Female: 8 people, 10.53%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 8 people, 10.53%
Prostate Cancer Metastatic: 6 people, 7.89%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 6 people, 7.89%
Cystic Fibrosis (disease of the secretary glands): 4 people, 5.26%
Prostate Cancer: 4 people, 5.26%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 4 people, 5.26%
Breast Cancer Metastatic: 3 people, 3.95%
Sleep Disorder: 2 people, 2.63%
High Blood Cholesterol: 2 people, 2.63%

* Approximation only. Some reports may have incomplete information.

Do you take Lysine and have Hot flush?

- Check whether Hot flush 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)

Hot flush treatments and more:

Hot flush (91,208 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 Hot flush:

Hot flush (1,767 drugs)

Browse all the conditions that are associated with Hot flush:

Hot flush (2,347 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.