**
1. since you have history of chorea, thus as compulsory routine examination, heart for any valvular lesion, eye examination for
exophthalmos, and signs of hepato cellular failure should be looked out for with suitable examination & Investigations
2. since Age is not mentioned and the suffering is from last 10 years, thus could be Senile Chorea [following old age], although requires examination/ opinion from
Neurologist regarding any brain Pathology [vascular lesion,
neurotransmitter problem [Parkinson/Alzheimer]
PS. In Ayurveda 'Vata' is concerned with 'Tremors' thus treatment will be given on the basis of vatahar 7 rasayan chikitsa, you may take 'Medhya' drugs to reduce stress and magnesium to relax the muscles.
3. since sexual weakness requires detailed/meticulous history, thus you need to see a
fertility specialist, [regarding
premature ejaculation, erectile insufficiency, loss of sexual drive, abnormal fatigue after sexual act] if weakness is not associated with nervous problem.