Answer
Yes. It is a potent synthetic opioid analgesic that acts mainly at mu-opioid receptors.
Sources for this answer
- Alfentanil Kalceks — Current selected SmPCemc · Summary of Product Characteristics
- Alfentanil 500 micrograms/ml solution for injection — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.