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The newer generation non selective vasodilating beta adrenergic blocking agent Carvedilol, also has an alpha 1 adrenoceptor antagonistic effect and is widely used in treating various cardiovascular diseases. It is a selective alpha and non-selective beta blocker. It's side effects are vast and not limited to any particular organ system, the neuropsychiatric adverse effects include; somnolence, nervousness, sleep disorder, aggravated depression, vivid dreams, delirium, psychosis, impaired concentration, abnormal thinking, paroniria, and emotional lability. Hallucinations are rarely reported and as far as we know the only reported couple of cases were on metoprolol and propranolol, none has been reported with Carvedilol.

Very few studies have shown associations between autism spectrum disorder, attention deficit hyperactivity disorder and Chiari 1 malformation. Here, we report an 10-year-old male that presented after having seizures with a history of Chiari 1 malformation, autism spectrum disorder and ADHD with moderate mental retardation and speech delay. This case highlights the fact that autism spectrum disorder as biologically based neurodevelopmental disorder with altered brain growth may be associated with Chiari 1 malformation and ADHD.