What is hypertension with erectile dysfunction?
High blood pressure damages the blood vessels causing hard & narrow arteries and end result is less blood flow leading to erectile dysfunction.
Supplements with DHEA, L-arginine, Ginseng and Propionyl-L-carnitine are studied to have some positive results and also generally safe.
Removal of prostate can happen with or without removal of surrounding nerves based on the patient's condition. Persons whose nerves are spared may have erectile dysfunction for mostly 2 years or so post surgery which regains back slowly. Persons whose nerves are removed may have permanent erection issues and may need medications for it.
Actually, high blood pressure causes erectile dysfunction.
Some tests can be done to know if there is any organic or physical cause and also detailed history including psychological evaluation helps.