Have you ever tried BRAINWAVE or SOUND THERAPY?
You can visit http://www.transparentcorp.com/ or http://www.bwgen.com/
to better understand how brainwave technology works and applied to ADD & ADHD threatment.


From transparentcorp.com:
"Most people are shocked when they are told that increasing their cognitive abilities is possible. It was once thought that mental capabilities were set in stone, unchanging since birth. But much of what we know about the mind has changed since then, particularly in the last 10 years. Research has found that there are many factors playing even larger roles in IQ. For example, someone with ADD, properly treated, can experience huge leaps in IQ score, sometimes up to 30 or more points! Similarly, removing psychological barriers, limiting beliefs and increasing confidence can have a huge impact on cognitive abilities."

Diet - there are books out there on this .. my son was diagnosed with adhd I took him off the meds ... he was a zombie!!
I went to the library and checked out a stack of books .. the #1 thing I noticed was a pattern in what he ate and when he became more active ..or "too silly" (imagine woody woodpecker laugh it was cute for 5 minutes .....30 minutes latter he is driving everyone nuts non stop doing it)

red dye
sugars
refined foods
I found these were in lots of the things he ate and they were triggerers...
He loved raviolis, spagetti, red sauce etc........
He loved Grape juice ... Kool aide etc
He loved hot dogs pre made foods etc

I slowly took them out of his diet I took out a food and journaled everything about his eating and what we did during the day.

I had him in the ER 2 times for food allergies - Hot Dogs were one of my visits .. and previous notes on hot dogs was a food that triggered him into these wild moments

On vacation with Grandma - she tells me he is wild uncontrollable and can not sit still to even eat........... I asked her more than once what did she give him to eat ..nothing he wont eat ............ ok what did he drink from the time he woke up .........
a PITCHER OF KOOL Aide - Grape - ohhhhhhhhhhhhhhhh well She had it coming I warned her!  

Now years latter my Daughter in law calls me ........ my son is nuts she tells me he is bouncing off the wall ..rearranging the furniture ... and just over all driving everyone nuts ... I ask what did he eat ........ so she then said oh I got some Kool aide he loves it - no crap he loves it but its a trigger for him... she refuses to buy it ever again!

There are some stimulation exercises ... that you can do with any child ..it helps with so many things - reading, focusing, sitting still ........its a "right brain / left brain crossing over stimulation"  
We practice this daily in my school.  I make a game out of it .. we do simple things like clapping your hands
patting your legs
roll roll roll your hands
twiddle your thumbs
scissor your legs

Its rather simple when you take the right side of the body and cross it over to the left or the left crossed over to the right .. you have triggers that go off in the brain ..stimulating those areas .. "to share" the ideas of the other half of the body.  

Doing these before doing something that a child needs to focus on or gain info from ..will help calm them and make them retain the info.

In my school the days we did not do these exercises before art time ...... my art was put away we could not finish them till latter....but the days we did do them we could complete more than one task for the day.  (say cutting out paper and gluing or decorating a package)

Google Dr. Becky Bailey she has a book called Conscious Discipline  - good stuff!

I'm sure that is very difficult for your whole family to live through.  I believe I had ADD (not so much the H) when I was younger and really had a hard time focusing in school... my brain always was racing and felt fuzzy.  I never learned to study properly or to focus and do work ahead of time... not through high school, college, grad school or my coaching certification!  It has really hindered my life.  
I have heard good things about the diet working for some people.  I am finishing school, starting a business and have three kids under 5 and I was really not capable of doing anything!  I reluctantly tried meds and they have changed my life!  I dont know that I will stay on them forever, but they are really helping me stay focused and organized during this time of chaos.  My brain feels clear and I can think and prioritize and actually remember and follow-through.  Without the meds I was unable to do any of those!

just sharing my experience... certainly not an ad for meds!