It follows comments made in the past week by Danny Healy Rae and Donald Trump.
The chairperson of a cross-party parliamentary group on autism says misleading comments on the condition need to be corrected.
It follows Kerry TD Danny Healy Rae questioning in the Dail if autism was caused by a vitamin deficiency.
Medical experts in the US are also disputing claims made by US President Donald Trump that it's caused by mothers using paracetamol during pregnancy.
Longford-Westmeath TD Micheal Carrigy is the chairperson of the Oireachtas group on Autism.
The Fine Gael rep says it's hurtful to those on the spectrum:
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