When should someone go to the hospital for an obsession with pills and suicide ?

You need to check yourself into a hospital that specializes in this specific stuff. A mental hospital would be the best bet because they have constant therapy sessions and trust me it does help. When I was 15, I was very depressed and was sent to the mental institution for a little bit. Not going to lie, there are some scary people in there but in the long run it does help! It'll make you such a stronger person I swear. You need to see your psychiatrist and talk to them about what you should do. You say you are not sad or depressed but you just want to die, I think that you have a wall up and you cannot see that in actuality, you are sad and depressed; no one just wants to die. I know women who have been d and felt the same way, but they have seeked treatment in mental hospitals and I know there are groups out there for women who have been d. Please don't try and hurt yourself, although you may feel like you have nothing to live for, just think about your family and friends and just know that you are loved by people out there.