The condition itself is known as priapism. It’s defined in clinical terms as an erection that lasts four hours or more without sexual stimulation.

When priapism occurs, blood that is sent to fill the penis becomes trapped, causing the erection to remain without relief. Not only can this be extremely painful, if not treated early on it can result in scarring inside the penis, and sometimes, permanent erectile dysfunction.

Treatment can be as simple as applying ice packs, or may involve injecting the penis with medications, or removing blood from the penis to reduce pain and swelling. Occasionally, surgery is necessary to restore proper blood flow and drainage.

This answer should not be considered medical advice...This answer should not be considered medical advice and should not take the place of a doctor’s visit. Please see the bottom of the page for more information or visit our Terms and Conditions.

Having an erection for a long time doesn't mean, other sexual partner he may have needs to engage that erection for that length of time. The times the other partner want to, that's great, 

But for the times other person doesn't, he can tend to his erection himself or just let it subside. Sex isn't all about his penis, anyway (or at least, it shouldn't be).

That is an unusual length of time for an erection to stick around when it's being constantly stimulated. Are you on antidepressants, by any chance?

That's one common cause of young men finding it difficult to orgasm, but still sustain erection. 

Too, is it at any point becoming painful for you? I can't tell how you are feeling about this, but it's possible it's not comfortable, and you may feel like talking about it as a great thing is the only acceptable thing to say.

Erections that hang on too long can be very frustrating and painful for some men, depending, but for men where erection lasts more than an hour, it usually does become painful. If it is uncomfortable or painful for you, it's actually smart for you to talk to your doctor. 

The opinions expressed here are solely those of the User.The opinions expressed here are solely those of the User.
User-generated content areas are not reviewed by a WebMD physician. WebMD understands that reading individual, real-life experiences can be a helpful resource, but it is never a substitute for professional medical advice. Please see the bottom of the page for more information or visit our Terms and Conditions.