If you have Psoriasis, not to be confused with psoriatic arthritis, you shouldn’t have an issue getting either remortgage protection or life insurance.Psoriasis causes patchy skin called plaques. Psoriatic arthritis causes joint swelling that can lead to permanent damage.But, depending on the treatment (and the insurer you apply to), you may pay more for your cover.e.g. at some insurers, the use of Humira will attract a loading.