Answer
Yes. Antibiotic-associated colitis can begin during treatment or later. Seek prompt assessment for severe, persistent, bloody or mucus-containing diarrhoea, and do not self-treat with anti-diarrhoeal medicines without advice.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Clarithromycin 500 mg film-coated tablets — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.