Akineton and Priapism aggravated - a phase IV clinical study of FDA data

Summary:

Priapism aggravated is reported as a side effect among people who take Akineton (biperiden hydrochloride), especially for people who are male, 60+ old, also take Risperdal, and have Depression.

The phase IV clinical study analyzes which people have Priapism aggravated when taking Akineton. It is created by eHealthMe based on reports of 6,101 people who have side effects when taking Akineton from the FDA, and is updated regularly.

What is Akineton?

Akineton has active ingredients of biperiden hydrochloride. It is often used in parkinson's disease. eHealthMe is studying from 6,140 Akineton users. Check the latest studies of Akineton.

What is Priapism aggravated?

Priapism aggravated (serious prolonged and painful erection that can last from several hours up to a few days) is found to be associated with 279 drugs and 184 conditions by eHealthMe. Check the latest studies of Priapism aggravated.

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, 01, 2026

6,101 people reported to have side effects when taking Akineton.
Among them, 16 people (0.26%) have Priapism aggravated.

Could Akineton cause Priapism aggravated?

Among these 16 people:

What is the gender of people who have Priapism aggravated when taking Akineton? *

female: 0.0 %
male: 100 %

What is the age of people who have Priapism aggravated when taking Akineton? *

What are other drugs people take besides Akineton? *

Risperdal: 16 people, 100.00%
Voltaren: 11 people, 68.75%
Atarax: 9 people, 56.25%
Januvia: 8 people, 50.00%
Pentazocine: 6 people, 37.50%
Hydroxyzine Hydrochloride: 6 people, 37.50%
Chlorpromazine Hydrochloride: 6 people, 37.50%
Tegretol: 5 people, 31.25%
Ritalin: 5 people, 31.25%
Zolpidem Tartrate: 1 person, 6.25%

What are other side effects people have besides Priapism aggravated? *

Pain: 13 people, 81.25%
Thirst: 11 people, 68.75%
Malaise (a feeling of general discomfort or uneasiness): 11 people, 68.75%
Constipation: 11 people, 68.75%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 11 people, 68.75%
Hallucination, Auditory (perceiving sounds without auditory stimulus): 11 people, 68.75%
High Blood Cholesterol: 11 people, 68.75%
Insomnia (sleeplessness): 11 people, 68.75%
Nausea (feeling of having an urge to vomit): 11 people, 68.75%
Normal Tension Glaucoma (a unique condition in which optic nerve damage and vision loss have occurred despite a normal pressure inside the eye): 11 people, 68.75%

What are the existing conditions these people have? *

Pain: 11 people, 68.75%
Extrapyramidal Disorder (involuntary muscle spasms in the face and neck): 11 people, 68.75%
Depression: 11 people, 68.75%

* Approximation only. Some reports may have incomplete information.

Do you take Akineton and have Priapism aggravated?

- Check whether Priapism aggravated is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Akineton:

Akineton (6,140 reports)

Browse all side effects of Akineton:

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 Priapism aggravated:

Priapism aggravated (279 drugs)

Browse all the conditions that are associated with Priapism aggravated:

Priapism aggravated (184 conditions)

How the study uses the data?

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