What is the cause of abnormal penile erection?

Patient's question:

Recently, there has been an abnormal erection of the penis, and it is also uncomfortable. Will it affect anything?

Doctor's answer:

Hello! Clinically, priapism is divided into two types: low-flow priapism and high-flow priapism.
I. Low-flow priapism, also known as ischemic priapism, is primarily caused by the following factors:
1. Trauma;
2. Neurogenic causes;
3. Medications for erectile dysfunction (ED);
4. Hematologic diseases;
5. Solid tumors;
6. Medications.
II. High-flow priapism, also known as non-ischemic priapism, is commonly caused by conditions such as sickle cell disease, Fabry disease, and certain malignancies.

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