Very scared. Been suffering depression and anxiety for months. Had a massive panic attack today and am feeling like death. Got prescription for Seroxat from GP a couple of months ago, had resisted taking them but can't go on like this. I'm starting the pills tomorrow. What can I expect in terms of side effects? Will I feel worse before I feel better? How long before I feel better? Anything I should do or not do while on them? Thanks for advice