fluoxetine or prozac works for some but not others, can take up to 6 weeks to start helping ask about upping the dose of the other med
you need to learn new ways to relax and calm yourself, gentle exercise helps, so does house cleaning
yes stress can stop you taking deep breaths so lie in a hot bath to relax muscles and take deep slow breaths, this may make you dizzy until you get used to it
practise talking out loud when alone, pick up something and read out loud