Pl and Upper respiratory tract inflammation - a phase IV clinical study of FDA data

Summary:

Upper respiratory tract inflammation is reported as a side effect among people who take Pl (polypodium leucotomos), especially for people who are female, 30-39 old, have been taking the drug for < 1 month also take Tamiflu, and have Lupus nephritis.

The phase IV clinical study analyzes which people have Upper respiratory tract inflammation when taking Pl. It is created by eHealthMe based on reports of 640 people who have side effects when taking Pl from the FDA, and is updated regularly.

What is Pl?

Pl has active ingredients of polypodium leucotomos. eHealthMe is studying from 640 Pl users. Check the latest studies of Pl.

What is Upper respiratory tract inflammation?

Upper respiratory tract inflammation is found to be associated with 364 drugs and 582 conditions by eHealthMe. Check the latest studies of Upper respiratory tract inflammation.

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 Sep, 04, 2026

640 people reported to have side effects when taking Pl.
Among them, 73 people (11.41%) have Upper respiratory tract inflammation.

Could Pl cause Upper respiratory tract inflammation?

Among these 73 people:

How long have people been on Pl when they have Upper respiratory tract inflammation? *

What is the gender of people who have Upper respiratory tract inflammation when taking Pl? *

female: 72.6 %
male: 27.4 %

What is the age of people who have Upper respiratory tract inflammation when taking Pl? *

What are other drugs people take besides Pl? *

What are other side effects people have besides Upper respiratory tract inflammation? *

Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 37 people, 50.68%
Constipation: 21 people, 28.77%
The Flu (the flu is caused by an influenza virus): 20 people, 27.40%
Pharyngitis (inflammation of the pharynx, causing a sore throat): 19 people, 26.03%
Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 16 people, 21.92%
Insomnia (sleeplessness): 16 people, 21.92%
Urinary Tract Infection: 16 people, 21.92%
High Blood Pressure: 15 people, 20.55%
Headache (pain in head): 15 people, 20.55%
Nasopharyngitis (inflammation of the nasopharynx): 15 people, 20.55%

What are the existing conditions these people have? *

Lupus Nephritis (a chronic inflammatory autoimmune disorder that may affect kidney tissue): 59 people, 80.82%
Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 35 people, 47.95%
High Blood Pressure: 31 people, 42.47%
Constipation: 26 people, 35.62%
Insomnia (sleeplessness): 21 people, 28.77%
Hyperlipidaemia (presence of excess lipids in the blood): 20 people, 27.40%
Joint Pain: 20 people, 27.40%
Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 18 people, 24.66%
Pharyngitis (inflammation of the pharynx, causing a sore throat): 17 people, 23.29%
The Flu (the flu is caused by an influenza virus): 17 people, 23.29%

* Approximation only. Some reports may have incomplete information.

Do you take Pl and have Upper respiratory tract inflammation?

- Check whether Upper respiratory tract inflammation 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 Pl:

Pl (640 reports)

Browse all side effects of Pl:

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 Upper respiratory tract inflammation:

Upper respiratory tract inflammation (364 drugs)

Browse all the conditions that are associated with Upper respiratory tract inflammation:

Upper respiratory tract inflammation (582 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on polypodium leucotomos (the active ingredients of Pl) and Pl (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.