Revatio and Brain surgery - a phase IV clinical study of FDA data

Summary:

Brain surgery is reported as a side effect among people who take Revatio (sildenafil citrate), especially for people who are female, 60+ old, have been taking the drug for 2 - 5 years also take Opsumit, and have Right ventricular failure.

The phase IV clinical study analyzes which people have Brain surgery when taking Revatio. It is created by eHealthMe based on reports of 44,758 people who have side effects when taking Revatio from the FDA, and is updated regularly.

What is Revatio?

Revatio has active ingredients of sildenafil citrate. It is often used in pulmonary hypertension. eHealthMe is studying from 44,849 Revatio users. Check the latest studies of Revatio.

What is Brain surgery?

Brain surgery is found to be associated with 148 drugs and 352 conditions by eHealthMe. Check the latest studies of Brain surgery.

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, 13, 2026

44,758 people reported to have side effects when taking Revatio.
Among them, 17 people (0.04%) have Brain surgery.

Among these 17 people:

How long have people been on Revatio when they have Brain surgery? *

What is the gender of people who have Brain surgery when taking Revatio? *

female: 92.86 %
male: 7.14 %

What is the age of people who have Brain surgery when taking Revatio? *

What are other drugs people take besides Revatio? *

What are other side effects people have besides Brain surgery? *

Headache (pain in head): 13 people, 76.47%
Diarrhea: 13 people, 76.47%
Subdural Haematoma (blood collects between the skull and the surface of the brain): 13 people, 76.47%
Urinary Tract Infection: 10 people, 58.82%
Nephrogenic Anaemia (anaemia due to kidney disease): 10 people, 58.82%
Insomnia (sleeplessness): 10 people, 58.82%
Oxygen Saturation Abnormal: 10 people, 58.82%
Coughing Up Blood: 10 people, 58.82%
Hypotension (abnormally low blood pressure): 10 people, 58.82%
Pleural Effusion (water on the lungs): 10 people, 58.82%

What are the existing conditions these people have? *

Right Ventricular Failure (right half of the heart fails to work): 10 people, 58.82%
Systemic Sclerosis (Scleroderma) (an autoimmune or connective tissue disease. it is characterized by thickening of the skin): 8 people, 47.06%
Pleural Effusion (water on the lungs): 8 people, 47.06%
Hypokalemia (low potassium): 8 people, 47.06%
High Blood Pressure: 8 people, 47.06%
Fever: 8 people, 47.06%
Diarrhea: 8 people, 47.06%
Cardiac Failure: 8 people, 47.06%
Ascites (accumulation of fluid in the abdominal cavity): 8 people, 47.06%
Subdural Haematoma (blood collects between the skull and the surface of the brain): 7 people, 41.18%

* Approximation only. Some reports may have incomplete information.

Do you take Revatio and have Brain surgery?

- Check whether Brain surgery 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 Revatio:

Revatio (44,849 reports)

Brain surgery treatments and more:

Brain surgery (922 reports)

Browse all side effects of Revatio:

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 Brain surgery:

Brain surgery (148 drugs)

Browse all the conditions that are associated with Brain surgery:

Brain surgery (352 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 Revatio) and Revatio (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.