Answer
Seek advice if symptoms persist, worsen or recur, or with high temperature, dehydration or immune suppression. Call 999 for breathing difficulty, inability to swallow, drooling, noisy breathing or rapidly worsening severe symptoms.
Sources for this answer
- Strepsils Extra Triple Action Blackcurrant Lozenges — 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.