6.5.8　The brief introduction of therapeutic strate...

6.5.8　The brief introduction of therapeutic strategies and drug administration routes of psoriasis

For mild to moderate psoriasis vulgaris，topical drug therapy or topical drugs combined with systematic drugs or phototherapy are the main therapeutic strategies.Systematic drug therapy is mainly used for psoriasis patients with severe complication.In cases that these therapies do not work，higher-cost biological therapies may be considered.Among them，topical drug therapy is mainly carried out in the form of local therapy，while systemic drug therapy is usually carried out in the form of oral administration，intramuscular injection or intravenous injection.Local treatment accounts for more than 80％of them.Therefore，we will focus on introducing the applications of polymer nano-drug carriers in topical drug therapy.(https://www.daowen.com)