Answer
Rarely, it can cause life-threatening reactions such as SJS, TEN, DRESS or AGEP. A spreading, blistering or peeling rash or mucosal sores requires urgent assessment and no further doses.
Sources for this answer
- Co-trimoxazole 16mg/80mg per ml solution for infusion — 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.