“Dopamine and testosterone levels drop, and prolactin [a hormone produced by your pituitary gland] rises.” Elevated prolactin levels post-ejaculation could play a role in your inability to get it up again.
Is it normal to not get hard after coming?
After sex. After orgasm, every man goes through a recovery cycle, called the refractory period, which is when it is not possible to get another erection. This resolution stage can take anything from minutes to days and varies from man to man, generally extending as you get older.
Why can I come but not get hard?
Delayed ejaculation can result from medications, certain chronic health conditions and surgeries. Or it might be caused by substance misuse or a mental health concern, such as depression, anxiety or stress. In many cases, it is due to a combination of physical and psychological concerns.