Alfentanil and Dehydration - a phase IV clinical study of FDA data

Summary:

Dehydration is reported as a side effect among people who take Alfentanil (alfentanil hydrochloride), especially for people who are male, 60+ old, also take Amlodipine, and have Bladder cancer.

The phase IV clinical study analyzes which people have Dehydration when taking Alfentanil. It is created by eHealthMe based on reports of 1,478 people who have side effects when taking Alfentanil from the FDA, and is updated regularly.

What is Alfentanil?

Alfentanil has active ingredients of alfentanil hydrochloride. eHealthMe is studying from 1,482 Alfentanil users. Check the latest studies of Alfentanil.

What is Dehydration?

Dehydration (dryness resulting from the removal of water) is found to be associated with 2,755 drugs and 3,350 conditions by eHealthMe. Check the latest studies of Dehydration.

On Aug, 09, 2026

1,478 people reported to have side effects when taking Alfentanil.
Among them, 16 people (1.08%) have Dehydration.

Among these 16 people:

What is the gender of people who have Dehydration when taking Alfentanil? *

female: 8.33 %
male: 91.67 %

What is the age of people who have Dehydration when taking Alfentanil? *

What are other drugs people take besides Alfentanil? *

What are other side effects people have besides Dehydration? *

Nausea And Vomiting: 13 people, 81.25%
Agranulocytosis (a deficiency of granulocytes in the blood, causing increased vulnerability to infection): 13 people, 81.25%
Fever: 13 people, 81.25%
Hepatic Failure (liver failure): 13 people, 81.25%
Thrombocytopenia (decrease of platelets in blood): 13 people, 81.25%
Nausea (feeling of having an urge to vomit): 13 people, 81.25%
Urosepsis (secondary infection that occurs when a urinary tract infection spreads to the bloodstream): 12 people, 75.00%
Acute Kidney Failure: 12 people, 75.00%
Hepatic Function Abnormal: 8 people, 50.00%
Pemphigoid (tense blisters on the skin): 2 people, 12.50%

What are the existing conditions these people have? *

Bladder Cancer: 9 people, 56.25%
Bladder Cancer Stage Iii: 4 people, 25.00%
Depression: 2 people, 12.50%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Alfentanil and have Dehydration?

- Check whether Dehydration 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 Alfentanil:

Alfentanil (1,482 reports)

Dehydration treatments and more:

Dehydration (173,274 reports)

Browse all side effects of Alfentanil:

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 Dehydration:

Dehydration (2,755 drugs)

Browse all the conditions that are associated with Dehydration:

Dehydration (3,350 conditions)

How the study uses the data?

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