I would definately write to the board of directors at the hospital you went to. i recently also went to the ER for breakthrough pain from my Trigeminal Neuralgia. In the last ten years I have gone to the ER 3 times for pain and the last two times they always gave me a shot of Demoral for immediate pain relief and an RX for 20 Percocet until I could get to my dr. I had not been to the ER for 4 yrs and this last time the dr. on call would not give me a shot for pain and would only give me percocet after I insisted that vicodin makes me vomit. Needless to say I got no pain relief and felt humiliated, I wrote to the vice president of the hospital and got a phone call from her and a letter, she told me the dr. was talked to by the people who are experts in pain in the ER. It doesn't sound like much but It made me feel a little better. So yeah write to the president of the hospital, someone is in charge of customer relations, I don't know if you are in the US but hospitals are in it for a profit and they want your business, so they try to make nice if you aren't happy so you might go there in the future.