I've been finding this fascinating. Where I work, the standard starting dose for morphine is 5 mg IV and we have a nurse initiated analgesia protocol that authorises them to give 5mg doses Q 15 minutes to anyone they think warrants it to a maximum of 20 mg, all without the patient seeing a doctor. If that fails when the ERP has assessed the patient and thinks they need better pain management then we either move on to dilaudid or, in the case of kidney stones, on to buscopan and toradol. As a resident I was taught to write the morphine that way in the orders as well, so the nurses didn't have to hunt me down every 15 minutes to tell me that the patient was still writhing and ask for authorization for more narcs. We have quite a substantial population of drug seekers, but because it is a small place the nurses usually know them by names and don't feed the bears when they come in. It all works surprisingly well, and we don't have people using homeopathic doses of narcs, usually.
I should add the nurses are all also well trained not to start migraines on the NIA protocol. They put them as far up the line as they can and we order the migraine protocol for that (stemetil or maxeran 10 mg IV, 250 mls NS as a bolus and 25 mg benadryl - works like a charm about 95% of the time). Cheers,
M