New help me

I been diagnosed with psoriosis around February this year..at first, I thought it's just another scalp issue..itchy with plaque..then my elbow..follow by my legs..now my whole body...my back basically covered with plaques...im mentally stress...went to dermatologist and they gave me some medications..it will goes away after a while..once stop medications..it come back...and overtime...my whole body covered with plaques..waking up to all the plaques all over my bed everyday is just stressing me out..i seen some ppl have it for so many years.. how did you all cope..everyday im questioning what's the point of living to be honest