Psoriasis is not a simple disease, at the same time its not dangerous but its a lazy one to be cured. U have said u have been using R65+R21, these r not scientific medicines, They r just patents, I.e mixture of homoeopathic medicines, they never give u complete cure for any diseases, They just give u temporary relief, They just act like pain killers, As long as u r using them, u will be free from the suferings, i.e itchings, pain etc, etc and all be gone temporarily, As and when u stop using for a period of time say for 1or 2mnths u will be back with the same condition again. That is just temporary treatment not a complete constitutional treatment, Where ur complete details and history r taken and proper medicines r given until u r cured And more over if u r not under such constitutional treatmemt, in The mean time u will adding other disease conditions to ur body which complicates u later on.
Next Steps
Approach a good classical homoeopath and share ur complete details to the Dr, which gives him to treat u properly.
Health Tips
U have not mentioned since how long u have been suffering with psoriasis and how long u have been using R65+R21, even if u take it for life long u will not be cured completely with psoriasis, approach a good homoeopath as early as possible which can give u proper cure.