Answer
Yes. Tell them well before any procedure because phenelzine can interact with anaesthetics and medicines used around surgery or dentistry.
Sources for this answer
- Nardil 15 mg film-coated tablets Phenelzine 15 mg film-coated tablets — Current selected SmPCemc · Summary of Product Characteristics
- NHS Specialist Pharmacy ServiceNHS Specialist Pharmacy Service · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.