Answer
Taste disturbance is a very common effect of the nasal formulation, partly because spray can reach the back of the nose and throat.
Sources for this answer
- Zolmitriptan Grunenthal 5 mg Nasal Spray — 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.