Answer
Acute excess may cause garlic-like breath, tiredness, digestive symptoms and abdominal pain. Prolonged excess may affect hair, nails and peripheral nerves.
Sources for this answer
- SELENIUM 10 micrograms/ml concentrate for solution for infusion — 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.