Must Read: Non-Steroidal Prescription Topical Psoriasis Treatments

The severity of psoriasis is measured in different ways. It can be categorized into mild, moderate and severe. Mild, moderate and severe types of psoriasis are treated similarly but with some differences. There is what you call a "1-2-3 step" for psoriasis treatment that is usually done depending on the severity. This 1-2-3 step or approach is 1) the use of topical treatments or medications 2) the use of light therapy or phototherapy 3) the use of oral medication or injections. Read more