Contraindications

• Undergone cervical vagotomy. Surgery to cut the vagus nerve.

• Diagnosed with severe low resting heart rate.

• Permanent implanted metallic/electronic device or jewellery at close proximity to the ear tragus (that cannot be removed before using Nurosym).

• Pregnant women*.

• Users with active implanted device** (including electronic and/or medical devices) e.g. cochlear implant, cerebral shunts, invasive vagus nerve stimulators, pacemakers or non-active but potentially interacting with the nervous system (e.g. metal implants);

• Users with known severe coronary disease or recent heart attack (within 5 years);

• Paediatric users** (children).

*Pregnant women have not been evaluated in clinical studies.

**Both paediatric users and users with pacemakers have been enrolled in clinical studies and no device related adverse events or interferences have been observed.