The phrase "immediate hospitalization" means that someone needs to go to the hospital right away. It suggests that the person's condition is serious and requires urgent medical attention. Full definition
Any medical emergency which requires immediate hospitalization can play around with all your savings. (policybazaar.com)
Whether it is an acute illness that requires immediate hospitalization or a long - term condition like diabetes or heart disease, we are here to help you deal with the problem. (faithfulfriendsanimalhospital.com)
Your thinking becomes seriously disturbed, and you need immediate hospitalization and treatment because you may be a danger to yourself and those around you.» (kaboutjie.com)