Lecithin and Nasal congestion - a phase IV clinical study of FDA data

Summary:

Nasal congestion is reported as a side effect among people who take Lecithin (phosphatidylcholine), especially for people who are female, 60+ old, also take Lidocaine, and have Primary pulmonary hypertension.

The phase IV clinical study analyzes which people have Nasal congestion when taking Lecithin. It is created by eHealthMe based on reports of 2,240 people who have side effects when taking Lecithin from the FDA, and is updated regularly.

What is Lecithin?

Lecithin has active ingredients of phosphatidylcholine. It is often used in high blood cholesterol. eHealthMe is studying from 2,310 Lecithin users. Check the latest studies of Lecithin.

What is Nasal congestion?

Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels) is found to be associated with 1,760 drugs and 2,495 conditions by eHealthMe. Check the latest studies of Nasal congestion.

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, 20, 2026

2,240 people reported to have side effects when taking Lecithin.
Among them, 31 people (1.38%) have Nasal congestion.

Among these 31 people:

What is the gender of people who have Nasal congestion when taking Lecithin? *

female: 63.33 %
male: 36.67 %

What is the age of people who have Nasal congestion when taking Lecithin? *

What are other drugs people take besides Lecithin? *

What are other side effects people have besides Nasal congestion? *

Joint Pain: 18 people, 58.06%
Headache (pain in head): 16 people, 51.61%
Diarrhea: 14 people, 45.16%
Nausea (feeling of having an urge to vomit): 12 people, 38.71%
Pain: 11 people, 35.48%
Fatigue (feeling of tiredness): 10 people, 32.26%
Dermatitis Contact (skin reaction (dermatitis) resulting from exposure to allergens): 10 people, 32.26%
Infusion Site Pain: 9 people, 29.03%
Infusion Site Pruritus (severe itching at infusion site): 7 people, 22.58%
Oedema Peripheral (superficial swelling): 7 people, 22.58%

What are the existing conditions these people have? *

Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 14 people, 45.16%
Immunodeficiency Common Variable: 12 people, 38.71%
Immune System Disorder: 5 people, 16.13%
B-Lymphocyte Abnormalities (abnormal population of b lymphocytes in the blood, bone marrow, or tissues): 5 people, 16.13%
Infusion Site Pain: 4 people, 12.90%
Asthma: 4 people, 12.90%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 6.45%
Headache (pain in head): 2 people, 6.45%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 3.23%
Pulmonary Hypertension (increase in blood pressure in the lung artery): 1 person, 3.23%

* Approximation only. Some reports may have incomplete information.

Do you take Lecithin and have Nasal congestion?

- Check whether Nasal congestion 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 Lecithin:

Lecithin (2,310 reports)

Nasal congestion treatments and more:

Nasal congestion (81,823 reports)

Browse all side effects of Lecithin:

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 Nasal congestion:

Nasal congestion (1,760 drugs)

Browse all the conditions that are associated with Nasal congestion:

Nasal congestion (2,495 conditions)

How the study uses the data?

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