Answer
A sudden severe throbbing headache can be an early sign of dangerously high blood pressure. Seek emergency medical help, particularly if accompanied by neck stiffness, chest pain, sweating, vomiting or palpitations.
Sources for this answer
- Tranlycypromine 10 mg Film-Coated 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.