COMORBIDITY AND HEALTH
Comorbidity is defined as the co-occurrence of two or more disorders/conditions in the same person.
The studies provide a description of comorbidity, in relation to comorbid psychiatric and medical disorders in babies and infants, children, adults and across the lifespan.
The other comorbid conditions seen as attention deficit/hyperactivity disorder (AD/HD), epilepsy, gastrointestinal symptoms, sleep problems, feeding problems and toileting problems in individuals with autism spectrum disorder.
Untreated conditions may affect the functioning of a person with autism.
Following links will give you more information on this topic-
Psychiatric Comorbidies
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3416662/pdf/1744-859X-11-16.pdf
https://www.autismspeaks.org/blog/2012/01/24/autism-and-associated-medical-conditions
http://www.autism-help.org/comorbid-disorders-autistic-spectrum.htm
Challenges in diagnosis and treatment of Comorbid conditions
https://link.springer.com/content/pdf/10.1016%2Fj.nurt.2010.06.001.pdf
Treatment
https://www.autismspeaks.org/what-autism/treatment/treatment-associated-psychiatric-conditions