Answer
Get prompt medical advice for any new rash. Seek urgent help if it is blistering, peeling, painful or accompanied by fever, mouth sores, facial swelling or swollen glands.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Lamictal — 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.