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Differential Diagnosis

Conditions that cause symptoms similar to autism include the following:

Questions to Ask Your Child's Doctor about Autism(Free Handout)



Asperger's syndrome
Childhood disintegrative disorder
Rett disorder
Pervasive development disorder-not otherwise specified (PDS-NOS)
Childhood psychoses (e.g., schizophrenia)
Fragile X syndrome (more common in males; may cause mental retardation)
Hearing loss
Metabolic disorders


Tests performed to rule out other...Read the full article