Answer
A severe or frequent headache, especially with chest pain, sweating, vomiting, neck stiffness, light sensitivity or an abnormal heartbeat, needs urgent medical assessment.
Sources for this answer
- Isocarboxazid Tablets 10mg — 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.