They make me feel physically sick!! I associate them I think with when I had my tonsils out and my vein collapsed so my hand swelled and puffed up to painful proportions and they wouldn't remove it because I hadn't finished the fluids!! Then when I was induced last time the same thing happened (although they did remove it when I complained because I was no longer needing it - DS had been born and I was back in my room). I know it is just a bung and they aren't putting anything in to it unless I need it, but just the thought of it makes my skin crawl and I feel sick.