erection duration

I'm just wondering if 3-4 hour erections (without going soft once during that time) that leave your penis hurting even the day after cause any actual damage to the penis? I'm not talking about a priapism (6+ hour erections). Just a prolonged erection from using something like trimix. Can it...

Has anyone used: Bremelanotide/Oxytocin/Tadalafil 1 mg/100IU/10 mg Troche If so, what should I expect, in as far as Side Affects, how long does it last and do I have to worry Prolonged Erections?

I'm 62 and have had ED for about 30 years. Looking back, I can see roughly when it gradually began and continued to slowly get worse over time. When Viagra and Cialis came out, they were miracle drugs for me - I couldn't have been happier with their performance. However, their effectiveness...