Answer
Seek advice if symptoms persist, do not improve or worsen. Get emergency help for breathing difficulty, inability to swallow, drooling, noisy high-pitched breathing or rapidly worsening severe symptoms.
Sources for this answer
- Strepsils Sore Throat and Cough Lozenges — Current selected SmPCemc · Summary of Product Characteristics
- Strepsils Sore Throat and Blocked Nose — Current selected SmPC