Questions posted in the Neurology and Neurosurgery Forum have been answered by doctors from The Cleveland Clinic Foundation.

Subject: Genetic History and Comorbidity in AD/HD diagnosis
Forum: The Neurology and Neurosurgery Forum
Topic Area: Attention Deficit
Posted by Patricia on December 31, 1998 at 17:10:37:


I have a five-year old son who has been diagnosed with severe ADHD, but according to some clinicians, has an as yet unidentified co-morbid condition. It took nine months to get the pediatrician to refer him to a child psychiatrist, even after both the school district and his therapist had requested it.

Before the appointment with the psychiatrist (1/12/99), I would like some information. The school district thought my child may have OCD or ODD or a conduct disorder, because he is aggressive and accelerates rapidly. The therapist had suggested that my son may have Bi-Polar Disorder co-existing with the ADHD. The pediatrician believed he could have TLE, because he becomes very aggressive in play, and has referred him to a neurologist, but did mention referral to Dr. Daniel Amen, because he "has never seen so severe a case in a child so young."

My son has a history of Hypotonia, walking at 18 months, through interventions by an RT and an OT. He also has sensory integration issues, which, by the way, is hard to research on-line. His father has migraines, dysarthria, dysfluency and myoclonus, and can have wide mood swings (no dx for this). His paternal aunt has a mild form of myasthenia gravis; one of her sons was thought to have ADHD and the other had seizures at a young age (2 - 4 yoa). The paternal grandmother has Parkinson's, which is progressing. The paternal grandfather is a neurologist (so I can't ask him). My sister's first child was found to have had petite mal seizures in early childhood, and was put on phenobarbitol, but no longer exhibits symptoms and was removed from the meds.

My son is on meds, which are Paxil and Clonidine. We tried Dextrostat and Cylert without positive results, and Tenex failed after 2 months. The pediatrician was reluctant to treat or diagnose BP in him, and had continued to search for an answer, thus the mention of Dr. Amen.

In researching ADHD and BP, as well as diseases in the family, I have noted a correlation between dopamine and acetylcholine, and some of these disorders/diseases. It is interesting to me that these conditions all involve muscles, impulsivity, weakening of control, and seem to involve the same area of the brain. I realize ADHD has a genetic component. Is it coincidence that the genetic history is so intertwined with the dopamine issue? The sensory issues and TLE have me curious. The differences between temporal lobe ADHD and TLE are difficult for me to distinguish as well. Has anyone researched the relationships of the disorders to dopamine, and documented a commonality?

I apologize for the length of this post, but this puzzle has me baffled, and my son's future is important. Thank you.

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