Pathological Demand Avoidance Syndrome: A Guide for Clinicians.

Pathological Demand Avoidance Syndrome: A Guide for Clinicians.


Pathological Demand Avoidance Syndrome booklet

The PDA Society has secured Lottery funding to produce this booklet. It is 35 pages long and is aimed at clinicians and it will be distributed to CAMHS services and Child Development Centres around the UK.

However, I have read it and there is a lot of information suitable for parents and teachers too.  Please download the booklet, share it as far and as often as you can. This booklet is all about raising awareness of PDA.

The PDA Society say

This is a free resource, copying and distribution is positively encouraged, raising awareness is what matters!

You can also request a hard copy be sent to your local CAMHS, CDC, Educational Psychologist or Clinical Commissioning Group by emailing  with a contact name, job title and full work address details, including postcode.


Here’s a link to some other PDA information at The Jigsaw Tree.

There is also heaps of other useful PDA information at The PDA Resource and at Understanding PDA

The features of Pathological Demand Avoidance listed by the National Autistic Society are:

  • obsessively resisting ordinary demands
  • appearing sociable on the surface but lacking depth in their understanding (often recognised by parents early on)
  • excessive mood swings, often switching suddenly
  • comfortable (sometimes to an extreme extent) in role play and pretending
  • language delay, seemingly as a result of passivity, but often with a good degree of ‘catch-up’
  • obsessive behaviour, often focused on people rather than things.

Often there is also clumsiness and a passive early history. People with PDA tend to be better at social communication skills than most people on the spectrum.

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