Answer
It can cause slow heartbeat and low blood pressure. Higher concentrations can also cause high blood pressure through peripheral vasoconstriction.
Sources for this answer
- Dexmedetomidine 100 micrograms/ml concentrate for solution for infusion — 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.