Sildenafil citrate and Skin blushing/flushing - a phase IV clinical study of FDA data

Summary:

Skin blushing/flushing is reported as a side effect among people who take Sildenafil citrate (sildenafil citrate), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Opsumit, and have Primary pulmonary hypertension.

The phase IV clinical study analyzes which people have Skin blushing/flushing when taking Sildenafil citrate. It is created by eHealthMe based on reports of 22,637 people who have side effects when taking Sildenafil citrate from the FDA, and is updated regularly.

What is Sildenafil citrate?

Sildenafil citrate has active ingredients of sildenafil citrate. It is often used in erection problems. eHealthMe is studying from 23,013 Sildenafil citrate users. Check the latest studies of Sildenafil citrate.

What is Skin blushing/flushing?

Skin blushing/flushing (a sudden reddening of the face, neck) is found to be associated with 2,010 drugs and 2,936 conditions by eHealthMe. Check the latest studies of Skin blushing/flushing.

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, 23, 2026

22,637 people reported to have side effects when taking Sildenafil citrate.
Among them, 792 people (3.5%) have Skin blushing/flushing.

Could Sildenafil citrate cause Skin blushing/flushing?

Among these 792 people:

How long have people been on Sildenafil citrate when they have Skin blushing/flushing? *

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What is the gender of people who have Skin blushing/flushing when taking Sildenafil citrate? *

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What is the age of people who have Skin blushing/flushing when taking Sildenafil citrate? *

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* Approximation only. Some reports may have incomplete information.

Do you take Sildenafil citrate and have Skin blushing/flushing?

- Check whether Skin blushing/flushing 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 Sildenafil citrate:

Sildenafil citrate (23,013 reports)

Skin blushing/flushing treatments and more:

Skin blushing/flushing (117,676 reports)

How severe was Skin blushing/flushing and when was it recovered:

Skin blushing/flushing in Sildenafil citrate

Expand to all the drugs that have ingredients of sildenafil citrate:

Skin blushing/flushing and drugs with ingredients of sildenafil citrate (3,759 reports)

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Sildenafil citrate:

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 Skin blushing/flushing:

Skin blushing/flushing (2,010 drugs)

Browse all the conditions that are associated with Skin blushing/flushing:

Skin blushing/flushing (2,936 conditions)

Related publications that referenced our studies

Jeong SY, Jeon SJ, Kim YR, Choi SS, Kwak HS, "A Rare Case of Viagra Induced Toxic Encephalopathy", Investigative Magnetic Resonance Imaging, 2016 Sep .
Jeong SY, Jeon SJ, Kim YR, Choi SS, Kwak HS, "A Rare Case of Viagra Induced Toxic Encephalopathy", Investigative Magnetic Resonance Imaging, 2016 Sep .

How the study uses the data?

The study uses data from the FDA. It is based on sildenafil citrate (the active ingredients of Sildenafil citrate) and Sildenafil citrate (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.