Sudafed and Post procedural haemorrhage - a phase IV clinical study of FDA data

Summary:

Post procedural haemorrhage is reported as a side effect among people who take Sudafed (pseudoephedrine hydrochloride), especially for people who are male, 60+ old, also take Flonase, and have Stress and anxiety.

The phase IV clinical study analyzes which people have Post procedural haemorrhage when taking Sudafed. It is created by eHealthMe based on reports of 11,196 people who have side effects when taking Sudafed from the FDA, and is updated regularly.

What is Sudafed?

Sudafed has active ingredients of pseudoephedrine hydrochloride. It is often used in nasal congestion. eHealthMe is studying from 12,944 Sudafed users. Check the latest studies of Sudafed.

What is Post procedural haemorrhage?

Post procedural haemorrhage (post procedural bleeding) is found to be associated with 665 drugs and 854 conditions by eHealthMe. Check the latest studies of Post procedural haemorrhage.

On Jul, 15, 2026

11,196 people reported to have side effects when taking Sudafed.
Among them, 18 people (0.16%) have Post procedural haemorrhage.

Could Sudafed cause Post procedural haemorrhage?

Among these 18 people:

What is the gender of people who have Post procedural haemorrhage when taking Sudafed? *

female: 16.67 %
male: 83.33 %

What is the age of people who have Post procedural haemorrhage when taking Sudafed? *

What are other drugs people take besides Sudafed? *

Flonase: 15 people, 83.33%
Paxil: 14 people, 77.78%
Reglan: 14 people, 77.78%
Amoxicillin: 13 people, 72.22%
Zyrtec: 1 person, 5.56%
Effient: 1 person, 5.56%
Lovenox: 1 person, 5.56%
Lactobacillus Acidophilus: 1 person, 5.56%
Klonopin: 1 person, 5.56%
Injectafer: 1 person, 5.56%

What are other side effects people have besides Post procedural haemorrhage? *

Apnea (temporary absence or cessation of breathing): 14 people, 77.78%
Pulmonary Oedema (fluid accumulation in the lungs): 14 people, 77.78%
Unilateral Hydronephrosis (kidney stone that causes obstruction of the ureter): 14 people, 77.78%
Tricuspid Valve Incompetence (inefficient heart valve): 14 people, 77.78%
Drug Exposure During Pregnancy: 14 people, 77.78%
Strabismus (a disorder in which the two eyes do not line up in the same direction): 14 people, 77.78%
Skin Discoloration - Bluish (bluish colour of skin): 14 people, 77.78%
Oedema (fluid collection in tissue): 14 people, 77.78%
Cardiac Murmur (an heart sound in valve abnormality): 14 people, 77.78%
Enlarged Heart: 14 people, 77.78%

What are the existing conditions these people have? *

Stress And Anxiety: 15 people, 83.33%
Nausea (feeling of having an urge to vomit): 14 people, 77.78%
Spinal Muscular Atrophy (wasting of spinal muscles): 1 person, 5.56%
Seasonal Allergy (allergic condition due to certain season): 1 person, 5.56%
Psoriasis (immune-mediated disease that affects the skin): 1 person, 5.56%
Nasopharyngitis (inflammation of the nasopharynx): 1 person, 5.56%
Itching: 1 person, 5.56%
Insomnia (sleeplessness): 1 person, 5.56%
Hypophosphataemia (electrolyte disturbance in which there is an abnormally low level of phosphate in the blood): 1 person, 5.56%
Hypocalcaemia (levels of calcium in blood serum are abnormally low): 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Sudafed and have Post procedural haemorrhage?

- Check whether Post procedural haemorrhage 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 Sudafed:

Sudafed (12,944 reports)

Browse all side effects of Sudafed:

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 Post procedural haemorrhage:

Post procedural haemorrhage (665 drugs)

Browse all the conditions that are associated with Post procedural haemorrhage:

Post procedural haemorrhage (854 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on pseudoephedrine hydrochloride (the active ingredients of Sudafed) and Sudafed (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.