Ultane and Bradycardia - a phase IV clinical study of FDA data

Summary:

Bradycardia is reported as a side effect among people who take Ultane (sevoflurane), especially for people who are female, 2-9 old, have been taking the drug for < 1 month also take Midazolam Hydrochloride, and have Anaesthesia.

The phase IV clinical study analyzes which people have Bradycardia when taking Ultane. It is created by eHealthMe based on reports of 676 people who have side effects when taking Ultane from the FDA, and is updated regularly.

What is Ultane?

Ultane has active ingredients of sevoflurane. eHealthMe is studying from 677 Ultane users. Check the latest studies of Ultane.

What is Bradycardia?

Bradycardia (abnormally slow heart action) is found to be associated with 1,911 drugs and 3,118 conditions by eHealthMe. Check the latest studies of Bradycardia.

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, 03, 2026

676 people reported to have side effects when taking Ultane.
Among them, 22 people (3.25%) have Bradycardia.

Could Ultane cause Bradycardia?

Among these 22 people:

How long have people been on Ultane when they have Bradycardia? *

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Bradycardia when taking Ultane? *

  • female: 52.63 %
  • male: 47.37 %

What is the age of people who have Bradycardia when taking Ultane? *

  • 0-1: 14.29 %
  • 2-9: 28.57 %
  • 10-19: 28.57 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 7.14 %
  • 50-59: 0.0 %
  • 60+: 21.43 %

What are other drugs people take besides Ultane? *

  1. Vecuronium Bromide: 3 people, 13.64%
  2. Fentanyl: 3 people, 13.64%
  3. Midazolam Hydrochloride: 3 people, 13.64%
  4. Isoflurane: 2 people, 9.09%
  5. Atropine: 2 people, 9.09%
  6. Atropine Sulfate: 2 people, 9.09%
  7. Cefazolin: 2 people, 9.09%
  8. Famotidine: 2 people, 9.09%
  9. Fentanyl Citrate: 2 people, 9.09%
  10. Heparin: 2 people, 9.09%

What are other side effects people have besides Bradycardia? *

  1. Cardiac Arrest: 16 people, 72.73%
  2. Hypotension (abnormally low blood pressure): 5 people, 22.73%
  3. Hyperkalemia (damage to or disease of the kidney): 4 people, 18.18%
  4. Hyperthermia Malignant (disease passed down through families that causes a fast rise in body temperature (fever) and severe muscle contractions): 4 people, 18.18%
  5. Multi-Organ Failure (multisystem organ failure): 3 people, 13.64%
  6. Ventricular Fibrillation (abnormally irregular heart rhythm): 3 people, 13.64%
  7. Metabolic Acidosis (body produces too much acid, or when the kidneys are not removing enough acid from the body): 3 people, 13.64%
  8. Anaesthetic Complication: 3 people, 13.64%
  9. Haemorrhage (bleeding): 2 people, 9.09%
  10. Muscle Rigidity (muscle stiffness): 2 people, 9.09%

What are the existing conditions these people have? *

  1. Anaesthesia: 15 people, 68.18%
  2. General Anaesthesia: 2 people, 9.09%
  3. Pain: 1 person, 4.55%
  4. Neuromuscular Blockade Reversal: 1 person, 4.55%
  5. Neuromuscular Blockade: 1 person, 4.55%
  6. Cardiac Disorder: 1 person, 4.55%

* Approximation only. Some reports may have incomplete information.

Do you take Ultane and have Bradycardia?

- Check whether Bradycardia 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 Ultane:

Bradycardia treatments and more:

How severe was Bradycardia and when was it recovered:

Expand to all the drugs that have ingredients of sevoflurane:

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 Ultane:

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 Bradycardia:

Browse all the conditions that are associated with Bradycardia:

Related publications that referenced our studies


How the study uses the data?

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



Recent studies on eHealthMe: