Early Intervention Service (EIS)

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Early Intervention Service is dedicated to the assessment and management of people who have presented to specialist mental health services with a first episode of psychosis. Aims to give people the best chance of recovery after a first episode of psychosis and reduce the severity of relapses.

Eligibility criteria


  • Between 14–64 years
  • Experiencing first episode of psychosis at least once a week (unless curtailed by treatment before week is up)
  • Period of psychosis accompanied by significant risk of decline in functioning
  • Not taking anti-psychotic medication for more than 6 weeks, unless this was started in the last 3 months
  • Period is not considered drug-induced (if client was initially well, then acutely unwell following drug use, then made rapid recovery)
  • Symptoms not wholly explicable in context of PTSD and/or Personality Disorder
  • Not eligible, if clear organic cause for their psychosis

How to Refer

Complete referral form.

t: 020 3317 6250

e: cim-tr.CamdenEIS@nhs.net

For second opinions or queries on referrals, contact the Assessment and Advice Team:

t: 020 3317 7300

Contact Details

Early Intervention Service

4 Greenland Road, London NW1 0AS

Opening hours: Mon–Fri 09:00–17:00

t: 020 3317 6590

m: 07717 483754

e: cim-tr.CamdenEIS@nhs.net

External Links