Welcome to board of Health care Magic,Psoriasis
can be controlled/symptoms can be alleviated by medication but disease can not be eradicated.
Regarding any medicines, all have some or the other side effects, but we have to weigh between the beneficial effect and harmful effects. And finally we have to use that medicines which has got more beneficial effects. So have faith on the medicines and with physician who ever is treating you,
So please continue treatment with proper guidance of your dermatologist
Hope your query is answered