I have suffered sjs twice, second occurrence worst than first, and i understand it becomes progressively worse.

Check for herpes: Recurrent Stevens Johnson syndrome is often triggered by recurrent outbreaks herpes, usually genital. It can be hard to distinguish herpes from SJS itself, because SJS often includes genital ulcers. Speak with your doctor about herpes blood test, or swab test of genital ulcer and trying anti-herpes treatment (acyclovir or valacyclovir). Such treatment can prevent herpes-triggered SJS. Good luck!