I've been "certified crazy," and I've taken neuroleptics in the past, and I can say that if you actually feel this way, you should look into getting a medication change. Not every pill is one size fits all, but finding the right drug combination can really help things a good deal. Talk to your psych, and if you're feeling acutely suicidal, call 911.
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Not attacking the hospital staff makes things go a good deal smoother. Maybe I've been lucky, but I've never had any situation in which I wasn't treated with the utmost respect to be expected of a medical professional.