successful results have been reported for bath-psoralens plus ultraviolet a ( puva ) treatment of psoriasis with the use of either a low-sensitizing psoralen ( methoxsalen ) or a high-sensitizing psoralen ( trioxsalen ) , but no evidence has been presented that phototoxicity would be a prerequisite for antipsoriatic activity of these treatments .
C0033858
psoralens
C0041086
trioxsalen