100x more potent just means you will give 1/100 the dose for the same effect. Around here, fentanyl is used in ambulances. Biggest side effect is it can stop yo

100x more potent just means you will give 1/100 the dose for the same effect. Around here, fentanyl is used in ambulances. Biggest side effect is it can stop your breath if it’s more than the dose given in lollipops (field-style first aid thing), so you have to keep an eye on the patient.