Welcome to healthcare magic forum
Thank you for your question.'
I am Dr Gaurav Patel ,dermatologist.
I understand your concern regarding your skin problem.Psoriasis
is chronic problem and we have to keep it under control.
the medicine you have give details are very risky and must be taken after doctor advise and under his supervision.
I advise you to consult dermatologist
and take the treatment accordingly.
If you take right medicine in wrong way it will harm you.
we have to adjust dose of medicine depend upon its severity.
I hope i answered your question.
Wish you speedy recovery.