Answer
Yes. It can mask a fast heartbeat and may prolong hypoglycaemia, so people at risk need appropriate glucose monitoring and education about other warning signs.
Sources for this answer
- Propranolol Rosemont 5mg/5ml Oral Solution — 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.