Answer
Timolol may mask warning signs of hypoglycaemia, particularly a fast heartbeat. People using insulin or other diabetes medicines should discuss this with their prescriber.
Sources for this answer
- Taptiqom 15 micrograms/ml + 5 mg/ml eye drops, solution in single-dose container — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.