one downside to existing drugs that prevent migraine is they can cause unpleasant side effects like. belfast sex slave: 'if i asked for food i was beaten, if i tried to sleep i was raped' .. "the treatment of our family and the behaviour of the western trust has been disgraceful, they should be ashamed of themselves.. the staff's "dearth of knowledge" about the correct procedure to follow when someone dies unexpectedly was also highlighted..