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 six 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


Cannot be referred if:

  • Person has an established diagnosis of psychosis
  • Has been under another Early Intervention Service of three years or over

How to refer

The following clinicians can refer to this service: GPs

Editable PDF / Word document Download Form

Referral methods: Email

Complete referral form and send by email.
t: 020 3317 6590
e: camdeneis.duty@candi.nhs.uk

For second opinions or queries on referrals, contact the Camden Primary Care Mental Health Network.
e: cim-tr.cpcmh@nhs.net

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