Answer
It does not usually raise glucose directly, but it can conceal a fast heartbeat or palpitations caused by hypoglycaemia. Sulfonylureas may increase the risk of severe hypoglycaemia when combined with beta blockers.
Sources for this answer
- Nebilet 5mg Tablets — 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.