Answer
Some rashes are medical emergencies, particularly if they spread, blister, peel or affect the mouth, eyes or genitals, or occur with fever or swollen glands.
Sources for this answer
- Phenobarbital Colonis 50 mg/5 ml Oral Suspension — Current selected SmPCemc · Summary of Product Characteristics
- Phenobarbital Sodium 30mg/ml Injection — 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.