What is the cause of an abdominal pain that persist all night and a sudden inflamation of the scrotum?

Abdominal pain: Quite a few things can cause it. One is hernia that dropped into the scrotum. It may be trapped and needs to be looked at asap. You may have an inflammation of one of your testicles that can send referred pain into your abdomen. This needs to be evaluated promptly as well. All in all, it all boils down to having to be seen by doc urgently!