I think it's a bad idea. Amphetamines don't help with depression, it gives energy and if you are depressed you can become agressive. It depends on your mood.
My friend was taking amphetamines and it ended with psychosis, she was sure that there are worms under her skin and was trying to kill them with sharp things. She was taken to psych ward and after this she still had paranoia and social phobia and even now she is not okay.