Hi there Kitty. Sorry to hear you're going to be in hospital.
Of course I am coming at this from a position of not knowing your situation (Sorry, I only come back here occasionally these days). I always feel like I need to be clear about anxiety in and of itself simply being a normal emotion rather than anything requiring medical intervention. However, we are prone to more medical anxiety disorders and extremes, so assuming that is the kind of thing you're talking about, I found the beta blocker Propranolol to be quite helpful when I was having some difficulty.
It is non-addictive and has little in the way of side-effects, toxicity is low so overdose is not a big concern - it's pretty perfect as far as my situation was concerned.
It works by physiologically slowing the heart rate down which interrupts the mental-physiological feedback loop that can define a nasty case of anxiety. Quite clever really.
I'm not a doctor so speak to someone who knows more though.
Good luck
Si
Propranolol has worked wonders for me too. Its made a great change in my life.