Diseases and Conditions
Priapism
Nonischemic priapism
When to see a doctor
Ischemic priapism
Overview
Symptoms
Causes
Complications
Prevention
Diagnosis
Treatment
Preparing for an appointment
Nonischemic priapism
Nonischemic priapism, also known as high-flow priapism, occurs when penile blood flow isn't regulated appropriately. Nonischemic priapism is usually painless. Signs and symptoms include:
- Erection lasting more than four hours or unrelated to sexual interest or stimulation
- Erect but not fully rigid penile shaft