Answer
Yes. Blood-vessel constriction can raise blood pressure, which can be therapeutic during anaesthetic hypotension but harmful in susceptible people.
Sources for this answer
- Flamingo Max Strength Congestion Relief 12.2 mg capsules, hardemc · SmPC Current selected SmPC · Version 1
- Phenylephrine 0.1 mg/ml, solution for injectionemc · SmPC Current selected SmPC · Version 3