First of all, it appears that you have not yet had your son assessed; although Biostrath seems to be working for your son in some aspects, it is important to eliminate the possibility of any allergies and/or disorders.
A short temper is common among children with ADHD; anger often times is the expression of frustration.
In your post, there is no mention of what triggers his anger outbursts; this may be the first port of call: keep a diary over the next two weeks (possibly ask the teacher to do the same) and determine what causes his outbursts.
Once this has been determined you can start to implement strategies to reduce these situations. For example, if there is a particular game or person that gets him angry, try limiting his exposure to these.
Implementing routine is also very important as this reduces the 'just 5 more minutes' tendency what children are watching TV or playing a game. Routine creates structure which children find comforting.
It is also possible that your son's anger stems from feeling overwhelmed by a task such as homework, or a particular subject at school.
It is essential that once you have identified the cause for his anger, you explain this to him and teach him to be aware of his own body so that he can identify when he needs to walk away from a situation. Counting to ten, telling himself to calm down, reciting a favourite rhyme - these can all be used to calm himself.
It is also crucial that he doesn't learn that hitting will get him what he wants. There must be a consistent consequence - both at home and at school - for any 'angry behaviour'. Similarly, praise and a small reward after consecutive days of 'no angry behaviour' will also benefit him. Be sure to explain in simple clear terms what you do and don't want to see, so there can be no ambiguity.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
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