We can try without drug till he is keeping good
is a life long illness, and there are all chances that it may come back.
However, when we have such a case where side effects are problematic and patient is keeping fine for many days without medicine -we may just keep a close watch on him without giving any drug and if there are any emergence of symptoms, then start treatment.
So, for time he is keeping fine, able to take care of himself and there are no psychotic symptoms seen, just keeping a close watch can be tried.
Tremors, as I said earlier are difficult to manage in long standing cases. In such cases we have few choices-
1. increase the dose of pacitane - upto 10 mg -12 mg. ( in divided dose three times a day)
2. treat like Parkinson's - syndopa
( but this may bring back psychotic symptoms , so care is required ).
Secondly, Im sorry but I am not aware of avurvedic treatment for this problem. However, if there is anyone qualified in Ayurveda, you can consult him. There is no problem in discussing with a qualified doctor of any domain, provided patient is benefited.
thirdly, when I have such a case in my clinic, I go with the following medicines ( they are relatively mild and free of major side effects) ---
( but it has sedation-- can be managed by giving dose in early evening hours and this effect weans away in some days)
2. Amisulpride ( this is also very good and usually donot cause sedation, tremors, increase in saliva etc., can be given at one time in a day)
If you can pursuade your father to take them, you can discuss them with the doctor.
Hope the reply is useful
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Dr. Manisha Gopal