Answer
Chlorpromazine can cause serious blood-cell abnormalities, liver injury, QT prolongation or abnormal heart rhythms. Monitoring depends on symptoms and risk factors.
Sources for this answer
- Chlorpromazine Hydrochloride 25mg/5ml Oral Syrup — Current selected SmPCemc · Summary of Product Characteristics
- Chlorpromazine 50mg 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.