Answer
Seek urgent advice from a pharmacist or NHS 111, even if symptoms are mild. Call 999 for severe drowsiness, breathing problems, seizures, collapse or loss of consciousness.
Sources for this answer
- Cinnarizine/Dimenhydrinate 20 mg/40 mg tablets — 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.